Multi-Start Threads - multi start threads

2024-11-17 04:05:31

These contact points are used to inspect the pitch diameter of machined parts with 7° X 45° Buttress thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. PitchModel 1T562 1¼T437 1½T375 2T281 2½T219 3T188 3½T156 4T144 5T115 6T096 8T072 10T057 12T050 16 & 18T032

Gagemaker’s standard contact points are manufactured with carbide balls. Thread height gages require one contact point. Points are sold individually.

These contact points are used to inspect the millimeter pitch diameter of machined parts with Trapezoidal thread forms. Two are required for pitch diameter gages. Sold individually. Pitch in millimetersModel 7T144 6T125 5T096 4T082 3½T072 3T062 2½T050 2T041 1½T032

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Gagemaker also manufactures functional inspection gages that inspect internal GO/NO GO thread diameters. Software, gages, and thread rolls are sold separately. For gages with ranges greater than 16”, please see our functional size product page. Higher resolution indicators are also available.

Acme threadangle

Thread FormGagemaker manufactures precision straight thread profile gages for the quick identification of product thread forms. Specify the pitch of the thread to be inspected when ordering. Special form profiles are available and are quoted upon request.Thread Form Profiles Thread FormExternal/InternalDescriptionModel ACMEExternal/Internal External/Internal general purpose ACME thread form profile gageTP-GPA-__P ISO MetricExternalExternal ISO Metric series thread form profile gageTP-ME-__P ISO MetricInternalInternal ISO Metric series thread form profile gageTP-MI-__P Stub ACMEExternal/Internal External/Internal Stub ACME thread form profile gageTP-SA-__P Stub ACME Modified - 1External/Internal External/Internal Stub ACME Modified 1 thread form profile gageTP-SAM1-__P Stub ACME Modified - 2External/Internal External/Internal Stub ACME Modified 2 thread form profile gageTP-SAM2-__P UN SeriesExternalExternal UN series thread form profile gageTP-UNVE-__P UN SeriesInternalInternal UN series thread form profile gageTP-UNVI-__P 7 X 45 ButtressExternal/Internal External/Internal 7° x 45° Buttress thread form profile gageTP-745-__PSpecial profiles and overlay charts are available. For information on those available, please contact customer service. For Special Overlays, please specify the following: 1. Screen Size, 2. Magnification 20X/50X, and 3. Product Form or Profile Template

Other features of the program include the ability to print thread dimension reports, providing a paper copy of any calculation. These reports provide the same critical dimensions that display in the program. A multiple calculation window capability is a feature that allows performing several different thread calculation at the same time.

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Thread Pitch Diameter InspectionDescriptionModels☟SettingPointsVideosGagemaker pitch diameter gages, commonly known as ball PD gages, verify that your part is within allowable tolerances. Improperly sized pitch diameters compromise the load capacity of your threaded components. The ball pitch diameter gages gages indicate the pitch diameter size of the product’s external and internal threads. The gages are adjustable within a size range and use interchangeable contact points to measure different pitch threads. Setting dimensions for the pitch diameter gages are provided by the TDWIN™ Thread Disk software.External Pitch DiameterThese inspection gages measure external thread pitch diameters. TDWin™ Software and contact points are sold separately. For gages with ranges greater than 12”, please click here. Higher resolution and metric indicators are available.External Pitch Diameter Gages ModelDescriptionRangeIndicator ResolutionIndicator Travel PD-8001External Pitch Diameter for Tapered Threads0 – 6” (0 mm – 152.4 mm).0005”½” PD-8002External Pitch Diameter for Straight Threads6” – 12” (152.4 mm – 304.8 mm).0005”½”Internal Pitch DiameterThese inspection gages measure internal thread pitch diameters. TDWin™ Software and contact points are sold separately. Higher resolution and metric indicators are available.Internal Pitch Diameter Gages ModelDescriptionRangeIndicator TravelIndicator Resolution PD-6000Internal Pitch Diameter Gage for Straight Threads ("V" & ACME threads)1½” – 9” (38.1 mm – 228.6 mm)½”.0005” PD-6001Internal Pitch Diameter Gage for Straight Threads ("V" & ACME threads)6” – 24” (152.4 mm – 609.6 mm)½”.0005” Pitch Diameter Setting StandardsGagemaker recommends presetting (or setting) our gages with our MIC TRAC™ Gage Setting System, the MT-3000 Series. Setting dimensions are found in the TDWIN™ software, sold separately.Rod standards are available, but are made to order. For ordering individual rod setting standards, contact customer service and please specify size or specific connection with ordering.(Ex. 4 pitch ACME, 12 pitch UN Series, etc.)MT-3000 Basic Gage Setting Systems External RangeInternal RangeAccuracyResolutionDescriptionModel 1½” – 13½”(38.1 mm - 342.9 mm)0” – 12”(0 mm - 304.8 mm)--12" Manual MIC TRAC unti supplied with TF-PL setting blocks. Designed for field use to verify gages are properly preset.*MT-100 1½” – 25½”(38.1 mm - 647.7 mm)0” – 24”(0 mm - 609.6 mm)--24" Manual MIC TRAC unti supplied with TF-PL setting blocks. Designed for field use to verify gages are properly preset.*MT-101 1½” – 13½”(38.1 mm - 342.9 mm)0” – 12”(0 mm - 304.8 mm)±.0001”.00005”MIC TRAC™ 12" Base Unit with DROMT-3012-50 1½” – 25½”(38.1 mm - 647.7 mm)0” – 24”(0 mm - 609.6 mm)±.0002”.00005”MIC TRAC™ 24" Base Unit with DROMT-3024-50 1½” – 37½”(38.1 mm - 952.5 mm)0” – 36”(0 mm - 914.4 mm)±.0003”.00005”MIC TRAC™ 36" Base Unit with DROMT-3036-50 1½” – 49½”(38.1 mm - 1257.3 mm)0” – 48”(0 mm - 1219.2 mm)±.0004”.00005”MIC TRAC™ 48" Base Unit with DROMT-3048-50Contact Points for Pitch Diameter GagesFor additional points, please visit our contact point product page.UN Series (60° V) ThreadsThese threaded contact points are used to inspect the pitch diameter of machined parts with 60° “V” thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T562 2T288 3 & 3½T188 4T144 4½T128 5T115 5½T105 6T096 8T072 10T057 11½ & 12T050 14 & 16T041 18T032ACME, Stub ACME, Stub ACME Modified-1 & -2 ThreadsThese truncated threaded contact points are used to inspect the pitch diameter of machined parts with 29° Acme, Stub Acme, Stub ACME Modified-1, and Stub ACME Modified-2 thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T531T 1½T344T 2T266T 2½T219T 3T188T 3½T144T 4T128T 5T105T 6 & 7T090T 8T062T 10T050T 12 & 14T041T 16T032T7° X 45° Buttress Series Contact PointsThese contact points are used to inspect the pitch diameter of machined parts with 7° X 45° Buttress thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T562 1¼T437 1½T375 2T281 2½T219 3T188 3½T156 4T144 5T115 6T096 8T072 10T057 12T050 16 & 18T032Trapezoidal Thread Contact PointsThese contact points are used to inspect the millimeter pitch diameter of machined parts with Trapezoidal thread forms. Two are required for pitch diameter gages. Sold individually. Pitch in millimetersModel 7T144 6T125 5T096 4T082 3½T072 3T062 2½T050 2T041 1½T032ISO Metric Series Contact PointsThese contact points are used to inspect the pitch diameter of machined parts with ISO Metric 60° “V” thread forms. Two are required for pitch diameter gages. Sold individually. Pitch in millimetersModel 4T096 3 & 3½T072 2½T057 1½, 1¾, & 2T041 External Pitch Diameter InspectionInternal Pitch Diameter Inspection

Gagemaker develops and manufactures precision mechanical inspection equipment for the Oilfield, Mining, Water Well, and General Machining industries. Gagemaker products are used in countless facilities around the world. Gagemaker's commitment to actively developing new products along with their superb customer service has set the industry standard for almost 40 years.

Check proper form and pitch by placing the correct profile template into the threads. By shining a light behind the profile template, it’s possible to detect any steps or signs of a chipped insert. A template that stands too far out of the threads or allows excess light to shine through can be an indication of lead error. Sweeping the profile template along the helix of the threads helps find burrs or debris.

Lead error is most commonly generated by manual and CNC lathes not cutting properly. Therefore, it’s important to take measurements at the locations where the most lead error typically occurs. These readings help detect machine tool error and worn lead screws on your lathe.

ACME threaddimensions

Thread Form InspectionDescriptionModels☟VideosCheck proper form and pitch by placing the correct profile template into the threads. By shining a light behind the profile template, it’s possible to detect any steps or signs of a chipped insert. A template that stands too far out of the threads or allows excess light to shine through can be an indication of lead error. Sweeping the profile template along the helix of the threads helps find burrs or debris.Thread FormGagemaker manufactures precision straight thread profile gages for the quick identification of product thread forms. Specify the pitch of the thread to be inspected when ordering. Special form profiles are available and are quoted upon request.Thread Form Profiles Thread FormExternal/InternalDescriptionModel ACMEExternal/Internal External/Internal general purpose ACME thread form profile gageTP-GPA-__P ISO MetricExternalExternal ISO Metric series thread form profile gageTP-ME-__P ISO MetricInternalInternal ISO Metric series thread form profile gageTP-MI-__P Stub ACMEExternal/Internal External/Internal Stub ACME thread form profile gageTP-SA-__P Stub ACME Modified - 1External/Internal External/Internal Stub ACME Modified 1 thread form profile gageTP-SAM1-__P Stub ACME Modified - 2External/Internal External/Internal Stub ACME Modified 2 thread form profile gageTP-SAM2-__P UN SeriesExternalExternal UN series thread form profile gageTP-UNVE-__P UN SeriesInternalInternal UN series thread form profile gageTP-UNVI-__P 7 X 45 ButtressExternal/Internal External/Internal 7° x 45° Buttress thread form profile gageTP-745-__PSpecial profiles and overlay charts are available. For information on those available, please contact customer service. For Special Overlays, please specify the following: 1. Screen Size, 2. Magnification 20X/50X, and 3. Product Form or Profile Template External Thread Form InspectionInternal Thread Form Inspection

Thread Rolls for Functional Size GagesGagemaker thread rolls are sold in matched sets of two rolls. Specify the form and pitch of the thread when ordering. Our most popular models are listed below, but additional and custom sets are available. Thread rolls sets are sold separately.UN Series (60° “V”)“TRV” thread rolls inspect the functional fit of machine threaded parts with 60° “V” thread forms. These thread rolls are designed specifically for internal or external applications. Additional pitches are available. Please contact customer service for more information.External UN Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 4External 4 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-4P 5External 5 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-5P 6External 6 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-6P 8External 8 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-8P 10External 10 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-10P 12External 12 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-12P 14External 14 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-14P 16External 16 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-16P 18External 18 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-18P 20External 20 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-20PInternal UN Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 4Internal 4 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-4P 5Internal 5 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-5P 6Internal 6 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-6P 8Internal 8 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-8P 10Internal 10 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-10P 12Internal 12 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-12P 14Internal 14 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-14P 16Internal 16 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-16P 18Internal 18 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-18P 20Internal 20 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-20PACME, Stub ACME, Stub ACME Modified-1, & Stub ACME Modified-2“TRA” and “TRSA” thread rolls inspect the functional fit of parts with 29° ACME and Stub ACME thread forms. “TRSAM1” and “TRSAM2” inspect the functional fit of Stub ACME Modified-1 and Stub ACME Modified -2 thread forms. Additional pitches are available. Please contact customer service for more information.ACME Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 229° ACME 2 Pitch Thread Rolls, Set of 2 TRA-2P 329° ACME 3 Pitch Thread Rolls, Set of 2 TRA-3P 429° ACME 4 Pitch Thread Rolls, Set of 2 TRA-4P 529° ACME 5 Pitch Thread Rolls, Set of 2 TRA-5P 629° ACME 6 Pitch Thread Rolls, Set of 2 TRA-6P 829° ACME 8 Pitch Thread Rolls, Set of 2 TRA-8P 1029° ACME 10 Pitch Thread Rolls, Set of 2 TRA-10P 1229° ACME 12 Pitch Thread Rolls, Set of 2 TRA-12P 1429° ACME 14 Pitch Thread Rolls, Set of 2 TRA-14P 1629° ACME 16 Pitch Thread Rolls, Set of 2 TRA-16P 1829° ACME 18 Pitch Thread Rolls, Set of 2 TRA-18PStub ACME Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 229° Stub ACME 2 Pitch Thread Rolls, Set of 2 TRSA-2P 329° Stub ACME 3 Pitch Thread Rolls, Set of 2 TRSA-3P 429° Stub ACME 4 Pitch Thread Rolls, Set of 2 TRSA-4P 529° Stub ACME 5 Pitch Thread Rolls, Set of 2 TRSA-5P 629° Stub ACME 6 Pitch Thread Rolls, Set of 2 TRSA-6P 829° Stub ACME 8 Pitch Thread Rolls, Set of 2 TRSA-8P 1029° Stub ACME 10 Pitch Thread Rolls, Set of 2 TRSA-10P 1229° Stub ACME 12 Pitch Thread Rolls, Set of 2 TRSA-12P 1429° Stub ACME 14 Pitch Thread Rolls, Set of 2 TRSA-14P 1629° Stub ACME 16 Pitch Thread Rolls, Set of 2 TRSA-16P 1829° Stub ACME 18 Pitch Thread Rolls, Set of 2 TRSA-18PStub ACME Modified-1 &Stub ACME Modified-2 Thread Rolls Stub ACME Modified-1 or Stub ACME Modified-2PitchDescriptionModel Stub ACME Modified-1 33 pitch thread rolls for Stub ACME Modified-1 , Set of 2 TRSAM1-3P Stub ACME Modified-244 pitch thread rolls Stub ACME Modified-2 s, Set of 2 TRSAM2-4P Stub ACME Modified-255 pitch thread rolls Stub ACME Modified-2 s, Set of 2 TRSAM2-5P Stub ACME Modified-21212 pitch thread rolls Stub ACME Modified-2, Set of 2 TRSAM2-12PISO Metric Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.External ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4External ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRME-4P 3½External ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRME-3.5P 3External ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRME-3P 2½External ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRME-2.5P 2External ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRME-2P 1¾External ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRME-15P 1½External ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRME-1.5P 1External ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRME-1PInternal ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4Internal ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRMI-4P 3½Internal ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRMI-3.5P 3Internal ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRMI-3P 2½Internal ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRMI-2.5P 2Internal ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRMI-2P 1¾Internal ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRMI-15P 1½Internal ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRMI-1.5P 1Internal ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRMI-1PNational 7° x 45° Buttress Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.National 7° x 45° Buttress Series Thread Rolls, Diameter (1½” & Larger) PitchDescriptionModel 2National 7° x 45° Buttress 2 Pitch Thread Rolls, Set of 2 TRB745-2P 3National 7° x 45° Buttress 3 Pitch Thread Rolls, Set of 2 TRB745-3P 3½National 7° x 45° Buttress 3½ Pitch Thread Rolls, Set of 2 TRB745-3.5P 4National 7° x 45° Buttress 4 Pitch Thread Rolls, Set of 2 TRB745-4P 6National 7° x 45° Buttress 6 Pitch Thread Rolls, Set of 2 TRB745-6P 8National 7° x 45° Buttress 8 Pitch Thread Rolls, Set of 2 TRB745-8P 10National 7° x 45° Buttress 10 Pitch Thread Rolls, Set of 2 TRB745-10P 12National 7° x 45° Buttress 12 Pitch Thread Rolls, Set of 2 TRB745-12P 16National 7° x 45° Buttress 16 Pitch Thread Rolls, Set of 2 TRB745-16PTrapezoidal“TRT” thread rolls inspect the functional fit of machine threaded parts with trapezoidal thread forms. Additional pitches are available. Please contact customer service for more information.Trapezoidal Thread Rolls Pitch in millimetersDescriptionModel 2Trapezoidal 2 mm Pitch Thread Rolls, Set of 2TRT-2P 3Trapezoidal 3 mm Pitch Thread Rolls, Set of 2TRT-3P 4Trapezoidal 4 mm Pitch Thread Rolls, Set of 2TRT-4P 5Trapezoidal 5 mm Pitch Thread Rolls, Set of 2TRT-5P 6Trapezoidal 6 mm Pitch Thread Rolls, Set of 2TRT-6P 8Trapezoidal 8 mm Pitch Thread Rolls, Set of 2TRT-8P 9Trapezoidal 9 mm Pitch Thread Rolls, Set of 2TRT-9P 10Trapezoidal 10 mm Pitch Thread Rolls, Set of 2TRT-10P 12Trapezoidal 12 mm Pitch Thread Rolls, Set of 2TRT-12P

If measuring internal and external shallow taper diameters is a problem, the Ball mic SET DIM Tool provides setting dimensions for ball micrometers or Gagemaker’s BX-1000 groove gage. The program calculates ball mic settings for any tapered surface geometry.

Gagemaker recommends presetting (or setting) our gages with our MIC TRAC™ Gage Setting System, the MT-3000 Series. Setting dimensions are found in the TDWIN™ software, sold separately.

Gagemaker also manufactures several models of internal thread height gages. Please specify the type of thread when ordering. The T500C contact point is included. Standards sold separately.

Gagemaker thread rolls are sold in matched sets of two rolls. Specify the form and pitch of the thread when ordering. Our most popular models are listed below, but additional and custom sets are available. Thread rolls sets are sold separately.

Gagemaker manufactures precision straight thread profile gages for the quick identification of product thread forms. Specify the pitch of the thread to be inspected when ordering. Special form profiles are available and are quoted upon request.Thread Form Profiles Thread FormExternal/InternalDescriptionModel ACMEExternal/Internal External/Internal general purpose ACME thread form profile gageTP-GPA-__P ISO MetricExternalExternal ISO Metric series thread form profile gageTP-ME-__P ISO MetricInternalInternal ISO Metric series thread form profile gageTP-MI-__P Stub ACMEExternal/Internal External/Internal Stub ACME thread form profile gageTP-SA-__P Stub ACME Modified - 1External/Internal External/Internal Stub ACME Modified 1 thread form profile gageTP-SAM1-__P Stub ACME Modified - 2External/Internal External/Internal Stub ACME Modified 2 thread form profile gageTP-SAM2-__P UN SeriesExternalExternal UN series thread form profile gageTP-UNVE-__P UN SeriesInternalInternal UN series thread form profile gageTP-UNVI-__P 7 X 45 ButtressExternal/Internal External/Internal 7° x 45° Buttress thread form profile gageTP-745-__PSpecial profiles and overlay charts are available. For information on those available, please contact customer service. For Special Overlays, please specify the following: 1. Screen Size, 2. Magnification 20X/50X, and 3. Product Form or Profile Template

Gagemaker manufactures many models of external thread height gages. Specify the type of thread when ordering. The T500C contact point is included. Standards sold separately.

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Insert IdentificationDescriptionModels☟The first step in the quality process is to ensure the threading insert being used is correct for the job.Use the JSS™ Thread Insert Identifier Template to quickly verify that the correct threading insert has been selected as well as check the full topping profile of both internal and external inserts.A quick mating of the insert to the template ensures the insert is correct for the job.JSS™ insert identifiers have multiple notches on each template and are available for all ANSU thread forms.Gagemaker’s straights thread insert identifiers easily determine which threading insert the machinist is using.When an optical comparator is unavailable, the insert identifier will show which thread form is on the insert.Internal ACME & Stub Acme Insert Identifiers Thread TypeThread FormTaper per Foot/PitchModel StraightInternal ACME3P, 3.5P, 4P, 5P, 6P, 8P, 10P, 12P, 14P, & 16PTI-ACME-INT StraightInternal Stub ACME3P, 3.5P, 4P, 5P, 6P, 8P, 10P, 12P, 14P, & 16PTI-SACME-INT

Lead GagesThe LG-6001 and the LG-6002 use a two-point system to inspect thread lead for straight and tapered threads. The LG-6002 inspects both external and internal threads, while the LG-6001 inspects external threads. The two point system allows for a sweeping action to obtain the measurement. Both gages are available with higher resolution indicators.The LG-5003 uses the three-point system to inspect internal and external thread lead. Two fixed contact points at the rear of the gage and one movable contact point at the front of the gage provide complete stability when taking thread lead measurements. This unique design does not require sweeping to obtain measurements.Contact points can be easily changed to allow the gage to be used on a variety of thread forms. Each gage comes with one set of contact points.Before inspecting parts, the lead gage must be preset to a nominal predetermined dimension using a lead gage setting standard. Lead standards are available for both straight and tapered threads. Our setting standards are manufactured according to ANSI and API specifications, respectively. ModelThread Length RangeDescriptionExternal/InternalNumber ofContact PointsMinimumBoreIndicatorTravelIndicator ResolutionContact PointSpacing LG-6001½” – 2”(12.7 mm – 50.8 mm)2-point external lead gageExternal22.750”.100".0005”.200” LG-6002½” – 4”(0 mm – 101.6 mm)2-point internal lead gageInternal21.450”.100".0005”.200” LG-5003½” – 4”(0 mm – 101.6 mm)3-point external/internal lead gageExternal/Internal31.340”.100".0005”.500”

These truncated threaded contact points are used to inspect the pitch diameter of machined parts with 29° Acme, Stub Acme, Stub ACME Modified-1, and Stub ACME Modified-2 thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T531T 1½T344T 2T266T 2½T219T 3T188T 3½T144T 4T128T 5T105T 6 & 7T090T 8T062T 10T050T 12 & 14T041T 16T032T

To generate critical dimensions instantly, enter basic thread information on the Thread Type Entry screen, such as: thread type, thread class, nominal diameter, and threads per inch. once the results are computed, tabs at the bottom of the program allow selection of several types of calculated information, including dimensions and tolerances for product threads, ring gages, set plugs, plug gages or Gagemaker’s Thread Diameter gages.

These contact points are used to inspect the pitch diameter of machined parts with ISO Metric 60° “V” thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. Pitch in millimetersModel 4T096 3 & 3½T072 2½T057 1½, 1¾, & 2T041

These contact points are used to inspect the pitch diameter of machined parts with 60° “V” thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. PitchModel 1T562 2T288 3 & 3½T188 4T144 4½T128 5T115 5½T105 6T096 8T072 10T057 11½ & 12T050 14 & 16T041 18T032

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Measuring thread height helps monitor and control the depth of cut during manufacturing, detects broken inserts, and can be used to calculate the minor or major diameter, when only one is known.

Internal Thread Height Gages ConnectionModelDescriptionMin. BoreIndicator TravelIndicator ResolutionDial TypeIncluded Contact Point*Standard required UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3010Internal Thread Height, 0-100, 1" Base Length (TPD), T5001.50”.250”.001”0-100 ContinuousT500No

These inspection gages measure external thread pitch diameters. TDWin™ Software and contact points are sold separately. For gages with ranges greater than 12”, please click here. Higher resolution and metric indicators are available.External Pitch Diameter Gages ModelDescriptionRangeIndicator ResolutionIndicator Travel PD-8001External Pitch Diameter for Tapered Threads0 – 6” (0 mm – 152.4 mm).0005”½” PD-8002External Pitch Diameter for Straight Threads6” – 12” (152.4 mm – 304.8 mm).0005”½”Internal Pitch DiameterThese inspection gages measure internal thread pitch diameters. TDWin™ Software and contact points are sold separately. Higher resolution and metric indicators are available.Internal Pitch Diameter Gages ModelDescriptionRangeIndicator TravelIndicator Resolution PD-6000Internal Pitch Diameter Gage for Straight Threads ("V" & ACME threads)1½” – 9” (38.1 mm – 228.6 mm)½”.0005” PD-6001Internal Pitch Diameter Gage for Straight Threads ("V" & ACME threads)6” – 24” (152.4 mm – 609.6 mm)½”.0005”

Gagemaker pitch diameter gages, commonly known as ball PD gages, verify that your part is within allowable tolerances. Improperly sized pitch diameters compromise the load capacity of your threaded components. The ball pitch diameter gages gages indicate the pitch diameter size of the product’s external and internal threads. The gages are adjustable within a size range and use interchangeable contact points to measure different pitch threads. Setting dimensions for the pitch diameter gages are provided by the TDWIN™ Thread Disk software.

Inspection Setup DescriptionScreenshots☟The Thread Disk™ engineering software (TDWin™) calculates critical dimensions for threads based on ANSI tables and formulas. Thread types supported by the program include: UN, UNJ and UNR Series, Acme, Stub Acme, Stub Acme Modified I and II, Metric M & MJ, 7° X 45° Buttress, and General Purpose Pipe Threads.To generate critical dimensions instantly, enter basic thread information on the Thread Type Entry screen, such as: thread type, thread class, nominal diameter, and threads per inch. once the results are computed, tabs at the bottom of the program allow selection of several types of calculated information, including dimensions and tolerances for product threads, ring gages, set plugs, plug gages or Gagemaker’s Thread Diameter gages.If measuring internal and external shallow taper diameters is a problem, the Ball mic SET DIM Tool provides setting dimensions for ball micrometers or Gagemaker’s BX-1000 groove gage. The program calculates ball mic settings for any tapered surface geometry.Other features of the program include the ability to print thread dimension reports, providing a paper copy of any calculation. These reports provide the same critical dimensions that display in the program. A multiple calculation window capability is a feature that allows performing several different thread calculation at the same time.System RequirementsSystem RequirementsWindows XP or higher64 MB RAM3 MD of free hard disk spaceCD-ROM driveFeaturesFeaturesUses ANSI tables, formulas, and tolerancesCalculates standard and non-standard product thread diameters from #000 to 99.8″Calculates ANSI ring and plug gage dimensionsAddresses pitches from 1 to 400Calculates Gagemaker style thread gage seting dimensionsModels User LicensesDescriptionModel 1Thread Disk- Thread Engineering and Calcuation Software, Single User licenseTDWIN 2Thread Disk- Thread Engineering and Calcuation Software, no license agreement requiredTDWIN-2USER 5Thread Disk- Thread Engineering and Calcuation Software, Floating 5 user licenseTDWIN-LIC5 10Thread Disk- Thread Engineering and Calcuation Software, Floating 10 user licenseTDWIN-LIC10 15Thread Disk- Thread Engineering and Calcuation Software, Floating 15 user licenseTDWIN-LIC15

Gagemaker’s precision lead gage setting standards are manufactured in accordance with ANSI Specifications. Lead gage standards are used to set the gage prior to the inspection.

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Thread Height Contact PointsGagemaker’s standard contact points are manufactured with carbide balls. Thread height gages require one contact point. Points are sold individually. ModelDescriptionConnectionThread FormCorresponding Gages T500C50° cone contact pointANSI Threads, ASME Threads, ISO Threads, "V" Threads, Line Pipe, and General Purpose Pipe ThreadsUN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, "V" Threads, Line Pipe, and General Purpose Pipe ThreadsTH-3001V, TH-3001V-1, TH-3001V-5, and TH-3010

The first step in the quality process is to ensure the threading insert being used is correct for the job.Use the JSS™ Thread Insert Identifier Template to quickly verify that the correct threading insert has been selected as well as check the full topping profile of both internal and external inserts.A quick mating of the insert to the template ensures the insert is correct for the job.JSS™ insert identifiers have multiple notches on each template and are available for all ANSU thread forms.

Pitch Diameter Setting StandardsGagemaker recommends presetting (or setting) our gages with our MIC TRAC™ Gage Setting System, the MT-3000 Series. Setting dimensions are found in the TDWIN™ software, sold separately.Rod standards are available, but are made to order. For ordering individual rod setting standards, contact customer service and please specify size or specific connection with ordering.(Ex. 4 pitch ACME, 12 pitch UN Series, etc.)MT-3000 Basic Gage Setting Systems External RangeInternal RangeAccuracyResolutionDescriptionModel 1½” – 13½”(38.1 mm - 342.9 mm)0” – 12”(0 mm - 304.8 mm)--12" Manual MIC TRAC unti supplied with TF-PL setting blocks. Designed for field use to verify gages are properly preset.*MT-100 1½” – 25½”(38.1 mm - 647.7 mm)0” – 24”(0 mm - 609.6 mm)--24" Manual MIC TRAC unti supplied with TF-PL setting blocks. Designed for field use to verify gages are properly preset.*MT-101 1½” – 13½”(38.1 mm - 342.9 mm)0” – 12”(0 mm - 304.8 mm)±.0001”.00005”MIC TRAC™ 12" Base Unit with DROMT-3012-50 1½” – 25½”(38.1 mm - 647.7 mm)0” – 24”(0 mm - 609.6 mm)±.0002”.00005”MIC TRAC™ 24" Base Unit with DROMT-3024-50 1½” – 37½”(38.1 mm - 952.5 mm)0” – 36”(0 mm - 914.4 mm)±.0003”.00005”MIC TRAC™ 36" Base Unit with DROMT-3036-50 1½” – 49½”(38.1 mm - 1257.3 mm)0” – 48”(0 mm - 1219.2 mm)±.0004”.00005”MIC TRAC™ 48" Base Unit with DROMT-3048-50

Specialty tools designed for cutting keyways in machined holes. Typically used manually with an arbor press to produce the keyways. Well suited for use in a ...

Rod standards are available, but are made to order. For ordering individual rod setting standards, contact customer service and please specify size or specific connection with ordering.(Ex. 4 pitch ACME, 12 pitch UN Series, etc.)

These inspection gages measure internal thread pitch diameters. TDWin™ Software and contact points are sold separately. Higher resolution and metric indicators are available.

Functional thread inspection gages, or GO/NO GO gages, measure thread diameters. These functional gages are adjustable within a size range and use interchangeable thread rolls to measure different pitch threads.

Acme threadChart PDF

Gagemaker’s straights thread insert identifiers easily determine which threading insert the machinist is using.When an optical comparator is unavailable, the insert identifier will show which thread form is on the insert.Internal ACME & Stub Acme Insert Identifiers Thread TypeThread FormTaper per Foot/PitchModel StraightInternal ACME3P, 3.5P, 4P, 5P, 6P, 8P, 10P, 12P, 14P, & 16PTI-ACME-INT StraightInternal Stub ACME3P, 3.5P, 4P, 5P, 6P, 8P, 10P, 12P, 14P, & 16PTI-SACME-INT

Lead Gage Setting StandardsGagemaker’s precision lead gage setting standards are manufactured in accordance with ANSI Specifications. Lead gage standards are used to set the gage prior to the inspection. Pitch/TPIDescriptionModel 6 - 18Lead gage standard for straight threads, 6-18 pitch, 4" length, .375" widthLS-1002 11½Lead gage standard for straight threads, NPS threadsLS-1004 1 - 5Lead gage standard for straight threads, 4.5" length, .750" widthLS-5001 6 - 18Lead gage standard for straight threads, 4.5" length, .750" widthLS-5002 1.25, 1.75, and 3.5 mm Lead gage standard for metric threads, 1.25, 1.75, and 3.5 mm pitchesLS-5003M 1, 1.5, 2, 3, & 4 mmLead gage standard for metric threads, 1, 1.5, 2, 3, & 4 mm pitchesLS-5004M 6 mmLead gage standard for metric threads, 6 mm pitchLS-6MM

The LG-6001 and the LG-6002 use a two-point system to inspect thread lead for straight and tapered threads. The LG-6002 inspects both external and internal threads, while the LG-6001 inspects external threads. The two point system allows for a sweeping action to obtain the measurement. Both gages are available with higher resolution indicators.

Gagemaker’s JSS® Thread Inspection System for ACME, ANSI & ISO Metric. Today’s dynamic manufacturing environment overwhelms old “GO/NO GO” methods and only our Straight Thread Inspection System consistently goes above and beyond. An effective Straight Thread Inspection System should measure all of the vital thread attributes – Functional Thread Size, Pitch Diameter, Thread Lead, Thread Height, and Thread Form.

External Thread HeightGagemaker manufactures many models of external thread height gages. Specify the type of thread when ordering. The T500C contact point is included. Standards sold separately.External Thread Height Gages ConnectionModelDescriptionMin. BoreIndicator TravelIndicator ResolutionDial TypeIncluded Contact Point*Standard required UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3001VExternal Thread Height Gage, 0-100, T500C2.930”.196”.001”0-100, ContinuousT500CNo UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3001V-1External Thread Height Gage, 0-10-0, .0001” Resolution Indicator, T500C3.730”.250”.0001”0-10-0, BalancedT500CYes UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3001V-5External Thread Height Gage, 0-10-0, .0005” Resolution Indicator, T500C2.930”.250”.0005”0-10-0, BalancedT500CYesInternal Thread HeightGagemaker also manufactures several models of internal thread height gages. Please specify the type of thread when ordering. The T500C contact point is included. Standards sold separately.Internal Thread Height Gages ConnectionModelDescriptionMin. BoreIndicator TravelIndicator ResolutionDial TypeIncluded Contact Point*Standard required UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3010Internal Thread Height, 0-100, 1" Base Length (TPD), T5001.50”.250”.001”0-100 ContinuousT500No

When it comes to drilling through tough and sturdy materials like metal, having the right drill bits is crucial. Whether you’re a professional tradesperson or a DIY enthusiast, selecting the best drill bits for metal can make all the difference in the success of your project. In this comprehensive guide, we will explore the top options available, including cobalt drill bits and heavy-duty variants designed for hardened steel.

These functional inspection gages measure external GO/NO GO thread diameters. Software, gages, and thread rolls are sold separately. For gages with ranges greater than 12”, please see our functional size product page. Higher resolution indicators are also available.[

Before we dive into the specific types of drill bits, it’s essential to understand the key factors that make a drill bit suitable for metalworking.

Acme threadtypes

External Thread Height Gages ConnectionModelDescriptionMin. BoreIndicator TravelIndicator ResolutionDial TypeIncluded Contact Point*Standard required UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3001VExternal Thread Height Gage, 0-100, T500C2.930”.196”.001”0-100, ContinuousT500CNo UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3001V-1External Thread Height Gage, 0-10-0, .0001” Resolution Indicator, T500C3.730”.250”.0001”0-10-0, BalancedT500CYes UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3001V-5External Thread Height Gage, 0-10-0, .0005” Resolution Indicator, T500C2.930”.250”.0005”0-10-0, BalancedT500CYesInternal Thread HeightGagemaker also manufactures several models of internal thread height gages. Please specify the type of thread when ordering. The T500C contact point is included. Standards sold separately.Internal Thread Height Gages ConnectionModelDescriptionMin. BoreIndicator TravelIndicator ResolutionDial TypeIncluded Contact Point*Standard required UN/UNJ/UNR, ACME, Stub ACME, Stub ACME Modified 1, Stub ACME Modified 2, Metric M & MJ, 7° X 45° Buttress, Line Pipe, and General Purpose Pipe ThreadsTH-3010Internal Thread Height, 0-100, 1" Base Length (TPD), T5001.50”.250”.001”0-100 ContinuousT500No

“TRA” and “TRSA” thread rolls inspect the functional fit of parts with 29° ACME and Stub ACME thread forms. “TRSAM1” and “TRSAM2” inspect the functional fit of Stub ACME Modified-1 and Stub ACME Modified -2 thread forms. Additional pitches are available. Please contact customer service for more information.ACME Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 229° ACME 2 Pitch Thread Rolls, Set of 2 TRA-2P 329° ACME 3 Pitch Thread Rolls, Set of 2 TRA-3P 429° ACME 4 Pitch Thread Rolls, Set of 2 TRA-4P 529° ACME 5 Pitch Thread Rolls, Set of 2 TRA-5P 629° ACME 6 Pitch Thread Rolls, Set of 2 TRA-6P 829° ACME 8 Pitch Thread Rolls, Set of 2 TRA-8P 1029° ACME 10 Pitch Thread Rolls, Set of 2 TRA-10P 1229° ACME 12 Pitch Thread Rolls, Set of 2 TRA-12P 1429° ACME 14 Pitch Thread Rolls, Set of 2 TRA-14P 1629° ACME 16 Pitch Thread Rolls, Set of 2 TRA-16P 1829° ACME 18 Pitch Thread Rolls, Set of 2 TRA-18PStub ACME Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 229° Stub ACME 2 Pitch Thread Rolls, Set of 2 TRSA-2P 329° Stub ACME 3 Pitch Thread Rolls, Set of 2 TRSA-3P 429° Stub ACME 4 Pitch Thread Rolls, Set of 2 TRSA-4P 529° Stub ACME 5 Pitch Thread Rolls, Set of 2 TRSA-5P 629° Stub ACME 6 Pitch Thread Rolls, Set of 2 TRSA-6P 829° Stub ACME 8 Pitch Thread Rolls, Set of 2 TRSA-8P 1029° Stub ACME 10 Pitch Thread Rolls, Set of 2 TRSA-10P 1229° Stub ACME 12 Pitch Thread Rolls, Set of 2 TRSA-12P 1429° Stub ACME 14 Pitch Thread Rolls, Set of 2 TRSA-14P 1629° Stub ACME 16 Pitch Thread Rolls, Set of 2 TRSA-16P 1829° Stub ACME 18 Pitch Thread Rolls, Set of 2 TRSA-18PStub ACME Modified-1 &Stub ACME Modified-2 Thread Rolls Stub ACME Modified-1 or Stub ACME Modified-2PitchDescriptionModel Stub ACME Modified-1 33 pitch thread rolls for Stub ACME Modified-1 , Set of 2 TRSAM1-3P Stub ACME Modified-244 pitch thread rolls Stub ACME Modified-2 s, Set of 2 TRSAM2-4P Stub ACME Modified-255 pitch thread rolls Stub ACME Modified-2 s, Set of 2 TRSAM2-5P Stub ACME Modified-21212 pitch thread rolls Stub ACME Modified-2, Set of 2 TRSAM2-12PISO Metric Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.External ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4External ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRME-4P 3½External ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRME-3.5P 3External ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRME-3P 2½External ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRME-2.5P 2External ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRME-2P 1¾External ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRME-15P 1½External ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRME-1.5P 1External ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRME-1PInternal ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4Internal ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRMI-4P 3½Internal ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRMI-3.5P 3Internal ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRMI-3P 2½Internal ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRMI-2.5P 2Internal ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRMI-2P 1¾Internal ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRMI-15P 1½Internal ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRMI-1.5P 1Internal ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRMI-1PNational 7° x 45° Buttress Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.National 7° x 45° Buttress Series Thread Rolls, Diameter (1½” & Larger) PitchDescriptionModel 2National 7° x 45° Buttress 2 Pitch Thread Rolls, Set of 2 TRB745-2P 3National 7° x 45° Buttress 3 Pitch Thread Rolls, Set of 2 TRB745-3P 3½National 7° x 45° Buttress 3½ Pitch Thread Rolls, Set of 2 TRB745-3.5P 4National 7° x 45° Buttress 4 Pitch Thread Rolls, Set of 2 TRB745-4P 6National 7° x 45° Buttress 6 Pitch Thread Rolls, Set of 2 TRB745-6P 8National 7° x 45° Buttress 8 Pitch Thread Rolls, Set of 2 TRB745-8P 10National 7° x 45° Buttress 10 Pitch Thread Rolls, Set of 2 TRB745-10P 12National 7° x 45° Buttress 12 Pitch Thread Rolls, Set of 2 TRB745-12P 16National 7° x 45° Buttress 16 Pitch Thread Rolls, Set of 2 TRB745-16PTrapezoidal“TRT” thread rolls inspect the functional fit of machine threaded parts with trapezoidal thread forms. Additional pitches are available. Please contact customer service for more information.Trapezoidal Thread Rolls Pitch in millimetersDescriptionModel 2Trapezoidal 2 mm Pitch Thread Rolls, Set of 2TRT-2P 3Trapezoidal 3 mm Pitch Thread Rolls, Set of 2TRT-3P 4Trapezoidal 4 mm Pitch Thread Rolls, Set of 2TRT-4P 5Trapezoidal 5 mm Pitch Thread Rolls, Set of 2TRT-5P 6Trapezoidal 6 mm Pitch Thread Rolls, Set of 2TRT-6P 8Trapezoidal 8 mm Pitch Thread Rolls, Set of 2TRT-8P 9Trapezoidal 9 mm Pitch Thread Rolls, Set of 2TRT-9P 10Trapezoidal 10 mm Pitch Thread Rolls, Set of 2TRT-10P 12Trapezoidal 12 mm Pitch Thread Rolls, Set of 2TRT-12P

The LG-5003 uses the three-point system to inspect internal and external thread lead. Two fixed contact points at the rear of the gage and one movable contact point at the front of the gage provide complete stability when taking thread lead measurements. This unique design does not require sweeping to obtain measurements.

When you’re dealing with hardened steel, ordinary drill bits just won’t cut it. You need drill bits designed specifically for this challenging material. Here’s what to look for:

“TRV” thread rolls inspect the functional fit of machine threaded parts with 60° “V” thread forms. These thread rolls are designed specifically for internal or external applications. Additional pitches are available. Please contact customer service for more information.External UN Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 4External 4 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-4P 5External 5 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-5P 6External 6 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-6P 8External 8 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-8P 10External 10 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-10P 12External 12 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-12P 14External 14 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-14P 16External 16 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-16P 18External 18 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-18P 20External 20 pitch UN/60° “V” Thread Rolls, Set of 2TRVE-20PInternal UN Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 4Internal 4 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-4P 5Internal 5 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-5P 6Internal 6 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-6P 8Internal 8 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-8P 10Internal 10 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-10P 12Internal 12 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-12P 14Internal 14 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-14P 16Internal 16 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-16P 18Internal 18 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-18P 20Internal 20 pitch UN/60° “V” Thread Rolls, Set of 2TRVI-20PACME, Stub ACME, Stub ACME Modified-1, & Stub ACME Modified-2“TRA” and “TRSA” thread rolls inspect the functional fit of parts with 29° ACME and Stub ACME thread forms. “TRSAM1” and “TRSAM2” inspect the functional fit of Stub ACME Modified-1 and Stub ACME Modified -2 thread forms. Additional pitches are available. Please contact customer service for more information.ACME Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 229° ACME 2 Pitch Thread Rolls, Set of 2 TRA-2P 329° ACME 3 Pitch Thread Rolls, Set of 2 TRA-3P 429° ACME 4 Pitch Thread Rolls, Set of 2 TRA-4P 529° ACME 5 Pitch Thread Rolls, Set of 2 TRA-5P 629° ACME 6 Pitch Thread Rolls, Set of 2 TRA-6P 829° ACME 8 Pitch Thread Rolls, Set of 2 TRA-8P 1029° ACME 10 Pitch Thread Rolls, Set of 2 TRA-10P 1229° ACME 12 Pitch Thread Rolls, Set of 2 TRA-12P 1429° ACME 14 Pitch Thread Rolls, Set of 2 TRA-14P 1629° ACME 16 Pitch Thread Rolls, Set of 2 TRA-16P 1829° ACME 18 Pitch Thread Rolls, Set of 2 TRA-18PStub ACME Thread Rolls, Diameters (1½” & Larger) PitchDescriptionModel 229° Stub ACME 2 Pitch Thread Rolls, Set of 2 TRSA-2P 329° Stub ACME 3 Pitch Thread Rolls, Set of 2 TRSA-3P 429° Stub ACME 4 Pitch Thread Rolls, Set of 2 TRSA-4P 529° Stub ACME 5 Pitch Thread Rolls, Set of 2 TRSA-5P 629° Stub ACME 6 Pitch Thread Rolls, Set of 2 TRSA-6P 829° Stub ACME 8 Pitch Thread Rolls, Set of 2 TRSA-8P 1029° Stub ACME 10 Pitch Thread Rolls, Set of 2 TRSA-10P 1229° Stub ACME 12 Pitch Thread Rolls, Set of 2 TRSA-12P 1429° Stub ACME 14 Pitch Thread Rolls, Set of 2 TRSA-14P 1629° Stub ACME 16 Pitch Thread Rolls, Set of 2 TRSA-16P 1829° Stub ACME 18 Pitch Thread Rolls, Set of 2 TRSA-18PStub ACME Modified-1 &Stub ACME Modified-2 Thread Rolls Stub ACME Modified-1 or Stub ACME Modified-2PitchDescriptionModel Stub ACME Modified-1 33 pitch thread rolls for Stub ACME Modified-1 , Set of 2 TRSAM1-3P Stub ACME Modified-244 pitch thread rolls Stub ACME Modified-2 s, Set of 2 TRSAM2-4P Stub ACME Modified-255 pitch thread rolls Stub ACME Modified-2 s, Set of 2 TRSAM2-5P Stub ACME Modified-21212 pitch thread rolls Stub ACME Modified-2, Set of 2 TRSAM2-12PISO Metric Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.External ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4External ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRME-4P 3½External ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRME-3.5P 3External ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRME-3P 2½External ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRME-2.5P 2External ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRME-2P 1¾External ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRME-15P 1½External ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRME-1.5P 1External ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRME-1PInternal ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4Internal ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRMI-4P 3½Internal ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRMI-3.5P 3Internal ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRMI-3P 2½Internal ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRMI-2.5P 2Internal ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRMI-2P 1¾Internal ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRMI-15P 1½Internal ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRMI-1.5P 1Internal ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRMI-1PNational 7° x 45° Buttress Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.National 7° x 45° Buttress Series Thread Rolls, Diameter (1½” & Larger) PitchDescriptionModel 2National 7° x 45° Buttress 2 Pitch Thread Rolls, Set of 2 TRB745-2P 3National 7° x 45° Buttress 3 Pitch Thread Rolls, Set of 2 TRB745-3P 3½National 7° x 45° Buttress 3½ Pitch Thread Rolls, Set of 2 TRB745-3.5P 4National 7° x 45° Buttress 4 Pitch Thread Rolls, Set of 2 TRB745-4P 6National 7° x 45° Buttress 6 Pitch Thread Rolls, Set of 2 TRB745-6P 8National 7° x 45° Buttress 8 Pitch Thread Rolls, Set of 2 TRB745-8P 10National 7° x 45° Buttress 10 Pitch Thread Rolls, Set of 2 TRB745-10P 12National 7° x 45° Buttress 12 Pitch Thread Rolls, Set of 2 TRB745-12P 16National 7° x 45° Buttress 16 Pitch Thread Rolls, Set of 2 TRB745-16PTrapezoidal“TRT” thread rolls inspect the functional fit of machine threaded parts with trapezoidal thread forms. Additional pitches are available. Please contact customer service for more information.Trapezoidal Thread Rolls Pitch in millimetersDescriptionModel 2Trapezoidal 2 mm Pitch Thread Rolls, Set of 2TRT-2P 3Trapezoidal 3 mm Pitch Thread Rolls, Set of 2TRT-3P 4Trapezoidal 4 mm Pitch Thread Rolls, Set of 2TRT-4P 5Trapezoidal 5 mm Pitch Thread Rolls, Set of 2TRT-5P 6Trapezoidal 6 mm Pitch Thread Rolls, Set of 2TRT-6P 8Trapezoidal 8 mm Pitch Thread Rolls, Set of 2TRT-8P 9Trapezoidal 9 mm Pitch Thread Rolls, Set of 2TRT-9P 10Trapezoidal 10 mm Pitch Thread Rolls, Set of 2TRT-10P 12Trapezoidal 12 mm Pitch Thread Rolls, Set of 2TRT-12P

Contact Points for Lead GagesFor additional points, please visit our contact point product page.UN Series (60° V) ThreadsThese contact points are used to inspect the pitch diameter of machined parts with 60° “V” thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. PitchModel 1T562 2T288 3 & 3½T188 4T144 4½T128 5T115 5½T105 6T096 8T072 10T057 11½ & 12T050 14 & 16T041 18T032Acme or Stub Acme ThreadsThese truncated contact points are used to inspect the pitch diameter of machined parts with 29° Acme and Stub Acme thread forms.Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. PitchModel 1T531T 1½T344T 2T266T 2½T219T 3T188T 3½T144T 4T128T 5T105T 6 & 7T090T 8T062T 10T050T 12 & 14T041T 16T032T7° X 45° Buttress Series Contact PointsThese contact points are used to inspect the pitch diameter of machined parts with 7° X 45° Buttress thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. PitchModel 1T562 1¼T437 1½T375 2T281 2½T219 3T188 3½T156 4T144 5T115 6T096 8T072 10T057 12T050 16 & 18T032Trapezoidal Thread Contact PointsThese contact points are used to inspect the millimeter pitch diameter of machined parts with Trapezoidal thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. Pitch in millimetersModel 7T144 6T125 5T096 4T082 3½T072 3T062 2½T050 2T041 1½T032ISO Metric Series Contact PointsThese contact points are used to inspect the pitch diameter of machined parts with ISO Metric 60° “V” thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. Pitch in millimetersModel 4T096 3 & 3½T072 2½T057 1½, 1¾, & 2T041

ACME threadChart

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The Thread Disk™ engineering software (TDWin™) calculates critical dimensions for threads based on ANSI tables and formulas. Thread types supported by the program include: UN, UNJ and UNR Series, Acme, Stub Acme, Stub Acme Modified I and II, Metric M & MJ, 7° X 45° Buttress, and General Purpose Pipe Threads.

Functional Size InspectionDescriptionModels☟SettingThreadVideosFunctional gauging takes into account the cumulative effects of diameter, lead, taper, flank angle and form error. Experience the same functionality of ring and plugs with the added benefit of accurately inspecting a range of sizes.Functional thread inspection gages, or GO/NO GO gages, measure thread diameters. These functional gages are adjustable within a size range and use interchangeable thread rolls to measure different pitch threads.Setting dimensions for the functional pitch diameter gages are provided by the TDWIN Thread Disk™ software.

Thread Height InspectionDescriptionModels☟PointsVideosMeasuring thread height helps monitor and control the depth of cut during manufacturing, detects broken inserts, and can be used to calculate the minor or major diameter, when only one is known.Accurate thread height contributes to the interchangeability and integrity of the threaded assembly.For inspecting your straight thread heights, Gagemaker recommends our TH-3001V (external) and TH-3010 (internal) .

Acme thread full formautomotive

Functional gauging takes into account the cumulative effects of diameter, lead, taper, flank angle and form error. Experience the same functionality of ring and plugs with the added benefit of accurately inspecting a range of sizes.

For heavy-duty metalworking tasks, such as drilling into thick metal plates or structural steel, you’ll need heavy-duty drill bits that can handle the load. Here’s what sets them apart:

Contact Points for Pitch Diameter GagesFor additional points, please visit our contact point product page.UN Series (60° V) ThreadsThese threaded contact points are used to inspect the pitch diameter of machined parts with 60° “V” thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T562 2T288 3 & 3½T188 4T144 4½T128 5T115 5½T105 6T096 8T072 10T057 11½ & 12T050 14 & 16T041 18T032ACME, Stub ACME, Stub ACME Modified-1 & -2 ThreadsThese truncated threaded contact points are used to inspect the pitch diameter of machined parts with 29° Acme, Stub Acme, Stub ACME Modified-1, and Stub ACME Modified-2 thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T531T 1½T344T 2T266T 2½T219T 3T188T 3½T144T 4T128T 5T105T 6 & 7T090T 8T062T 10T050T 12 & 14T041T 16T032T7° X 45° Buttress Series Contact PointsThese contact points are used to inspect the pitch diameter of machined parts with 7° X 45° Buttress thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T562 1¼T437 1½T375 2T281 2½T219 3T188 3½T156 4T144 5T115 6T096 8T072 10T057 12T050 16 & 18T032Trapezoidal Thread Contact PointsThese contact points are used to inspect the millimeter pitch diameter of machined parts with Trapezoidal thread forms. Two are required for pitch diameter gages. Sold individually. Pitch in millimetersModel 7T144 6T125 5T096 4T082 3½T072 3T062 2½T050 2T041 1½T032ISO Metric Series Contact PointsThese contact points are used to inspect the pitch diameter of machined parts with ISO Metric 60° “V” thread forms. Two are required for pitch diameter gages. Sold individually. Pitch in millimetersModel 4T096 3 & 3½T072 2½T057 1½, 1¾, & 2T041

Contact points can be easily changed to allow the gage to be used on a variety of thread forms. Each gage comes with one set of contact points.

These truncated contact points are used to inspect the pitch diameter of machined parts with 29° Acme and Stub Acme thread forms.Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. PitchModel 1T531T 1½T344T 2T266T 2½T219T 3T188T 3½T144T 4T128T 5T105T 6 & 7T090T 8T062T 10T050T 12 & 14T041T 16T032T

External Pitch DiameterThese inspection gages measure external thread pitch diameters. TDWin™ Software and contact points are sold separately. For gages with ranges greater than 12”, please click here. Higher resolution and metric indicators are available.External Pitch Diameter Gages ModelDescriptionRangeIndicator ResolutionIndicator Travel PD-8001External Pitch Diameter for Tapered Threads0 – 6” (0 mm – 152.4 mm).0005”½” PD-8002External Pitch Diameter for Straight Threads6” – 12” (152.4 mm – 304.8 mm).0005”½”Internal Pitch DiameterThese inspection gages measure internal thread pitch diameters. TDWin™ Software and contact points are sold separately. Higher resolution and metric indicators are available.Internal Pitch Diameter Gages ModelDescriptionRangeIndicator TravelIndicator Resolution PD-6000Internal Pitch Diameter Gage for Straight Threads ("V" & ACME threads)1½” – 9” (38.1 mm – 228.6 mm)½”.0005” PD-6001Internal Pitch Diameter Gage for Straight Threads ("V" & ACME threads)6” – 24” (152.4 mm – 609.6 mm)½”.0005”

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Before inspecting parts, the lead gage must be preset to a nominal predetermined dimension using a lead gage setting standard. Lead standards are available for both straight and tapered threads. Our setting standards are manufactured according to ANSI and API specifications, respectively.

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These contact points are used to inspect the millimeter pitch diameter of machined parts with Trapezoidal thread forms. Two points are required for the LG-6001 or LG-6002. Three points are required for the LG-5003. Sold individually. Pitch in millimetersModel 7T144 6T125 5T096 4T082 3½T072 3T062 2½T050 2T041 1½T032

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These threaded contact points are used to inspect the pitch diameter of machined parts with 60° “V” thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T562 2T288 3 & 3½T188 4T144 4½T128 5T115 5½T105 6T096 8T072 10T057 11½ & 12T050 14 & 16T041 18T032

“TRT” thread rolls inspect the functional fit of machine threaded parts with trapezoidal thread forms. Additional pitches are available. Please contact customer service for more information.Trapezoidal Thread Rolls Pitch in millimetersDescriptionModel 2Trapezoidal 2 mm Pitch Thread Rolls, Set of 2TRT-2P 3Trapezoidal 3 mm Pitch Thread Rolls, Set of 2TRT-3P 4Trapezoidal 4 mm Pitch Thread Rolls, Set of 2TRT-4P 5Trapezoidal 5 mm Pitch Thread Rolls, Set of 2TRT-5P 6Trapezoidal 6 mm Pitch Thread Rolls, Set of 2TRT-6P 8Trapezoidal 8 mm Pitch Thread Rolls, Set of 2TRT-8P 9Trapezoidal 9 mm Pitch Thread Rolls, Set of 2TRT-9P 10Trapezoidal 10 mm Pitch Thread Rolls, Set of 2TRT-10P 12Trapezoidal 12 mm Pitch Thread Rolls, Set of 2TRT-12P

External Functional SizeThese functional inspection gages measure external GO/NO GO thread diameters. Software, gages, and thread rolls are sold separately. For gages with ranges greater than 12”, please see our functional size product page. Higher resolution indicators are also available.[External Functional Size Gages ModelDescriptionRangeIndicator ResolutionIndicator Travel RG-7000External Functional Size Thread Roll Gage⅝” – 4”(15.9 mm – 101.6 mm).0005” ½” RG-7001External Functional Size Thread Roll Gage4” – 8”(101.6 mm – 203.2 mm).0005” ½” RG-7002External Functional Size Thread Roll Gage8” – 12”(203.2 mm – 304.8 mm).0005” ½”Internal Functional SizeGagemaker also manufactures functional inspection gages that inspect internal GO/NO GO thread diameters. Software, gages, and thread rolls are sold separately. For gages with ranges greater than 16”, please see our functional size product page. Higher resolution indicators are also available.Internal Functional Size Gages ModelDescriptionRangeIndicator ResolutionIndicator TravelReach PG-6000Internal Functional Size Thread Roll Gage1½” – 9”(38 mm – 228.6 mm).0005” ½”2½” PG-6001Internal Functional Size Thread Roll Gage 9” – 16”(228.6 mm – 406.4 mm).0005” ½”2½”

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Gagemaker recommends presetting (or setting) our gages with our MIC TRAC™ Gage Setting System, the MT-3000 Series*. Setting dimensions are found in the TDWIN™ software, sold separately. For additional gage setting system options and accessories, please visit our Gage Setting System product page.Rod standards are available, but are made to order. For ordering individual rod setting standards, contact customer service and please specify size or specific connection with ordering.(Ex. 4 pitch ACME, 12 pitch UN Series, etc.)MT-3000 Basic Gage Setting Systems External RangeInternal RangeAccuracyResolutionDescriptionModel 1½” – 13½”(38.1 mm - 342.9 mm)0” – 12”(0 mm - 304.8 mm)--12" Manual MIC TRAC unti supplied with TF-PL setting blocks. Designed for field use to verify gages are properly preset.*MT-100 1½” – 25½”(38.1 mm - 647.7 mm)0” – 24”(0 mm - 609.6 mm)--24" Manual MIC TRAC unti supplied with TF-PL setting blocks. Designed for field use to verify gages are properly preset.*MT-101 1½” – 13½”(38.1 mm - 342.9 mm)0” – 12”(0 mm - 304.8 mm)±.0001”.00005”MIC TRAC™ 12" Base Unit with DROMT-3012-50 1½” – 25½”(38.1 mm - 647.7 mm)0” – 24”(0 mm - 609.6 mm)±.0002”.00005”MIC TRAC™ 24" Base Unit with DROMT-3024-50 1½” – 37½”(38.1 mm - 952.5 mm)0” – 36”(0 mm - 914.4 mm)±.0003”.00005”MIC TRAC™ 36" Base Unit with DROMT-3036-50 1½” – 49½”(38.1 mm - 1257.3 mm)0” – 48”(0 mm - 1219.2 mm)±.0004”.00005”MIC TRAC™ 48" Base Unit with DROMT-3048-50

“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.External ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4External ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRME-4P 3½External ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRME-3.5P 3External ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRME-3P 2½External ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRME-2.5P 2External ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRME-2P 1¾External ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRME-15P 1½External ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRME-1.5P 1External ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRME-1PInternal ISO Metric Thread Rolls, Diameters (38.1mm & Larger) Pitch in millimetersDescriptionModel 4Internal ISO Metric 60 “V” 4 mm Pitch Thread Rolls, Set of 2TRMI-4P 3½Internal ISO Metric 60 “V” 3½ mm Pitch Thread Rolls, Set of 2TRMI-3.5P 3Internal ISO Metric 60 “V” 3 mm Pitch Thread Rolls, Set of 2TRMI-3P 2½Internal ISO Metric 60 “V” 2½ mm Pitch Thread Rolls, Set of 2TRMI-2.5P 2Internal ISO Metric 60 “V” 2 mm Pitch Thread Rolls, Set of 2TRMI-2P 1¾Internal ISO Metric 60 “V” 1¾ mm Pitch Thread Rolls, Set of 2TRMI-15P 1½Internal ISO Metric 60 “V” 1½ mm Pitch Thread Rolls, Set of 2TRMI-1.5P 1Internal ISO Metric 60 “V” 1 mm Pitch Thread Rolls, Set of 2TRMI-1PNational 7° x 45° Buttress Series“TRM” thread rolls inspect the functional fit of machine threaded parts with ISO Metric 60 “V” thread forms. Additional pitches are available. Please contact customer service for more information.National 7° x 45° Buttress Series Thread Rolls, Diameter (1½” & Larger) PitchDescriptionModel 2National 7° x 45° Buttress 2 Pitch Thread Rolls, Set of 2 TRB745-2P 3National 7° x 45° Buttress 3 Pitch Thread Rolls, Set of 2 TRB745-3P 3½National 7° x 45° Buttress 3½ Pitch Thread Rolls, Set of 2 TRB745-3.5P 4National 7° x 45° Buttress 4 Pitch Thread Rolls, Set of 2 TRB745-4P 6National 7° x 45° Buttress 6 Pitch Thread Rolls, Set of 2 TRB745-6P 8National 7° x 45° Buttress 8 Pitch Thread Rolls, Set of 2 TRB745-8P 10National 7° x 45° Buttress 10 Pitch Thread Rolls, Set of 2 TRB745-10P 12National 7° x 45° Buttress 12 Pitch Thread Rolls, Set of 2 TRB745-12P 16National 7° x 45° Buttress 16 Pitch Thread Rolls, Set of 2 TRB745-16PTrapezoidal“TRT” thread rolls inspect the functional fit of machine threaded parts with trapezoidal thread forms. Additional pitches are available. Please contact customer service for more information.Trapezoidal Thread Rolls Pitch in millimetersDescriptionModel 2Trapezoidal 2 mm Pitch Thread Rolls, Set of 2TRT-2P 3Trapezoidal 3 mm Pitch Thread Rolls, Set of 2TRT-3P 4Trapezoidal 4 mm Pitch Thread Rolls, Set of 2TRT-4P 5Trapezoidal 5 mm Pitch Thread Rolls, Set of 2TRT-5P 6Trapezoidal 6 mm Pitch Thread Rolls, Set of 2TRT-6P 8Trapezoidal 8 mm Pitch Thread Rolls, Set of 2TRT-8P 9Trapezoidal 9 mm Pitch Thread Rolls, Set of 2TRT-9P 10Trapezoidal 10 mm Pitch Thread Rolls, Set of 2TRT-10P 12Trapezoidal 12 mm Pitch Thread Rolls, Set of 2TRT-12P

These contact points are used to inspect the pitch diameter of machined parts with 7° X 45° Buttress thread forms. Two are required for pitch diameter gages. Sold individually. PitchModel 1T562 1¼T437 1½T375 2T281 2½T219 3T188 3½T156 4T144 5T115 6T096 8T072 10T057 12T050 16 & 18T032

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These contact points are used to inspect the pitch diameter of machined parts with ISO Metric 60° “V” thread forms. Two are required for pitch diameter gages. Sold individually. Pitch in millimetersModel 4T096 3 & 3½T072 2½T057 1½, 1¾, & 2T041