You can’t build a better blade sitting in an office Protech Diamond™ designs every blade we make on job sites. Our North American manufacturing facility allows our engineering team to rapidly prototype new blade concepts and test on the job site the same day.

... standard threads as provided by the standard. ANSI External Screw Threads Size Chart. Screw Size, Class Thread, Basica, Minor Diameter, Major Diameter. Min. Max ...

{"Overall Length - Inch (L)":["3.25","3","2","2.5","2.375","2.625","2.875"],"Number of Flutes":"6","Shank Diameter - Inch (d)":["0.5","0.25","0.375"],"Diameter - Inch (D)":["1","0.25","0.375","0.5","0.625","0.75"],"Surface Treatment":"BRIGHT","Benefit 2":"Can be used with CNC machines or hand tools.","Substrate":"Carbide","Point Angle - Degree (α)":["60","82","90"],"Short Description":"Carbide Countersink Drill for Ferrous and Non-Ferrous Materials","Web Literature 1":["8002024CA-DR,209","8002024CA-DR,208","8002024CA-DR,199","8002024CA-DR,245","8002024CA-DR,206","8002024CA-DR,238"],"List Name":"COUNTERSINK","Web Literature 4":"800387CA","Aluminum : 6061; 7075":"N; Good","Aluminum : Casting":"N; Good","Benefit 1":"Ideal for creating countersinks.","Units":"Inch","Feature 3":"Inch sizes only","Alloy Steels : 4140; 4340":"P; Good","Coolant Thru":"No","Low Carbon Steel : 1010; 1018":"P; Good","Medium Carbon Steel : 1035; 1045":"P; Good","Brand":"OSG","Cutting Direction":"RH","View Catalog Page":"Here","Product Overview":"Countersink, Carbide","Full Description":"The single and multiple flute carbide countersinks are one of many value-minded products within the OSG Standard Carbide family of products. An economical solution without sacrificing consistent tolerancing and precision.","Feature 2":"Uncoated","Notes":"With brazed steel shank.","Feature 1":"Sizes > 1/4\" have hardened steel shanks. 1/4\" and smaller are solid carbide.","Helix Angle - Degree":"0","Diameter - Fractional Size (D)":["1","1/4","3/8","1/2","5/8","3/4"],"Diameter-Sizes":"1/4\" - 1\"","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"2\" - 3.25\"","Shank-Sizes":"0.25\" - 0.5\"","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%20706/Drills_-_Drill_-_CARBIDE_COUNTERSINK_-_List_706_-_Catalog"],"Friendly Name":"706"}

Diamond Toolscompany

Protech Diamond™  has devoted over 20 years of research and development into our blade technology.  We pride ourselves on listening to operators and owners alike – their input shines through each and every concrete core & blade we produce.

Diamond ToolsPC

Tribos 501 are high quality teeth developed in diagonal grid PMMA structure, produced in a new condensation method "Mega-Press-Inject to optimise the density ...

We spend thousands of hours studying job sites and engineering blades that balance speed, tool life, and accurate cutting. Protech Diamond designs and manufactures blades created for Canadian Aggregates and Stone.

{"Diameter - Metric (D)":["5","6.35","9.525","12.7","15.875","16","19.05","20","25","3","4","6","8","10","12"],"Number of Flutes":"2","Min Drill Hole Size - Metric":["1.7","1.9","2.3","3","5","1.2","1.5","2.1","2.5"],"Flute Length - Metric (FL)":["14","17","24","36","41","46","53","9","12","15","20","28"],"Diameter - Inch (D)":["0.19685","0.25","0.375","0.5","0.625","0.62992","0.75","0.787401","0.984251","0.629921","0.11811","0.15748","0.23622","0.31496","0.3937","0.47244"],"Shank Diameter - Metric (d)":["5","16","20","25","3","4","6","8","10","12"],"Overall Length - Metric (L)":["70","75","93","111","118","132","151","48","54","72","81","108"],"Short Description":"Advanced Performance Spot Drills","Substrate":"Carbide","Web Literature 1":["8002024CA-DR,162|8002024CA-DRT,17","8002024CA-DR,198|8002024CA-DRT,17","8002024CA-DR,283|8002024CA-DRT,17"],"Shank Tolerance":"H7","Surface Treatment":"EgiAs","Feature 1":"EgiAs Coating","Web Literature 2":"800284CA-V3|800291CA","Web Literature 4":"800387CA","Benefit 2":"For superior sharpness and high chipping resistance.","Hardened Steels : 35 HRC":"H; Best","Cast Iron":"K; Best","Point Angle - Degree (α)":["90","120","140"],"Hardened Steels : 35-45 HRC":"H; Best","Brand":"A Brand","Hardened Steels : 45-50 HRC":"H; Best","Low Carbon Steel : 1010; 1018":"P; Best","List Name":"AD-LDS","Aluminum : Casting":"N; Good","Medium Carbon Steel : 1035; 1045":"P; Best","Coolant Thru":"No","Units":["Metric","Inch"],"Alloy Steels : 4140; 4340":"P; Best","Notes":"Minium drill hole size is recommended for chamfering operations.","Cutting Direction":"RH","Die Steels":"P; Best","High Carbon Steel : 1065":"P; Best","View Speed and Feed Page":"Here","View Catalog Page":"Here","Helix Direction":"RH","Product Overview":"2 Flute, Carbide, EgiAs Coating","Full Description":"A Brand AD-LDS is an Advanced Performance Carbide Spot Drill","Feature 2":"Unique Cutting Geometry","Benefit 1":"Supresses friction with the wear resistance layer and prevents breakage","Nickel Alloy : Inconel":"S; Good","Titanium : 6AL4V (30HRC)":"S; Good","Helix Angle - Degree":["12","25"],"Shank Diameter - Inch (d)":["0.25","0.375","0.5","0.625","0.75"],"Diameter - Letter Size (D)":"E","Diameter - Fractional Size (D)":["1/4","3/8","1/2","5/8","3/4"],"Diameter-Sizes":"0.11811\" - 25mm","Flute-Sizes":"9mm - 53mm","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"48mm - 151mm","Shank-Sizes":"3mm - 25mm","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_120_Degrees_-_Catalog","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_140_Degrees_-_Catalog","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_140_Degrees_-_Extra_1","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_120_Degrees_-_Face_1","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_120_Degrees_-_Angle_1","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_90_Degrees_-_Catalog","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_90_Degrees_-_Angle_2","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%205190/Drills_-_Drill-_A_Brand_AD_LDS_-_List_6310_-_90_Degrees_-_Angle_1"],"Friendly Name":"5190"}

Diamond ToolsPottery

INTERNAL ACME THREAD DIMENSIONS CHART. ACME thread chart per ASME/ANSI B1.5 standard for general purpose single-start internal ACME threads. Preferred tolerance ...

{"Number of Flutes":"2","Diameter - Metric (D)":["3","4","6","8","10","12","16","20","25"],"Shank Diameter - Metric (d)":["3","4","6","8","10","12","16","20","25"],"Diameter - Inch (D)":["0.11811","0.15748","0.23622","0.31496","0.3937","0.47244","0.62992","0.7874","0.98425"],"Flute Length - Metric (FL)":["11","15","20","26","30","36","41","53","60"],"Overall Length - Metric (L)":["75","100","150","200","250"],"Surface Treatment":"BRIGHT","Web Literature 1":["8002024CA-DR,237|8002024CA-DRT,50","8002024CA-DR,238|8002024CA-DRT,50","8002024CA-DR,241|8002024CA-DRT,50","8002024CA-DR,245|8002024CA-DRT,50","8002024CA-DR,236|8002024CA-DRT,50"],"Brand":"EX-GOLD","Web Literature 4":"800387CA","Substrate":"HSS","Point Angle - Degree (α)":"90","Cast Iron":"K; Good","Low Carbon Steel : 1010; 1018":"P; Best","Aluminum : 6061; 7075":"N; Good","List Name":"LS-NC-LDS","Aluminum : Casting":"N; Good","Medium Carbon Steel : 1035; 1045":"P; Best","Alloy Steels : 4140; 4340":"P; Good","Coolant Thru":"No","Die Steels":"P; Good","Short Description":"Premium High Performance HSS Spot Drill","Notes":"Other coatings are available upon request.","Units":"Metric","Cutting Direction":"RH","High Carbon Steel : 1065":"P; Best","View Catalog Page":"Here","View Speed and Feed Page":"Here","Helix Direction":"RH","Product Overview":"2-Flute, 90 Degree Long Shank Spot Drills","Full Description":"EX-SPOT Premium High Performance HSS Spot Drill","Helix Angle - Degree":"20","Diameter-Sizes":"0.11811\" - 25mm","Flute-Sizes":"11mm - 60mm","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"75mm - 250mm","Shank-Sizes":"3mm - 25mm","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FStub%20Drills%2FList%201250/Drills_-_Drill_-_EX-SPOT_-_List_1250_-_90_-_Catalog"],"Friendly Name":"1250"}

You can’t build a better blade sitting in an office Protech Diamond™ designs every blade we make on job sites. Our North American manufacturing facility allows our engineering team to rapidly prototype new blade concepts and test on the job site the same day.

Diamond Toolsapp

{"Number of Flutes":"1","Overall Length - Inch (L)":["3.25","3","1.5","2","2.5625","2.4375","2.625","2.8125","3.0625","2.875"],"Shank Diameter - Inch (d)":["0.5","0.125","0.1875","0.25","0.375"],"Diameter - Inch (D)":["1","0.125","0.1875","0.25","0.375","0.5","0.625","0.75"],"Surface Treatment":"BRIGHT","Benefit 2":"Can be used with CNC machines or hand tools.","Substrate":"Carbide","Point Angle - Degree (α)":["60","82","90"],"Web Literature 1":["8002024CA-DR,199","8002024CA-DR,201","8002024CA-DR,209","8002024CA-DR,254","8002024CA-DR,203","8002024CA-DR,220","8002024CA-DR,245"],"List Name":"COUNTERSINK","Web Literature 4":"800387CA","Cast Iron":"K; Good","Aluminum : 6061; 7075":"N; Good","Aluminum : Casting":"N; Good","Benefit 1":"Ideal for creating countersinks.","Units":"Inch","Feature 3":"Inch sizes only","Alloy Steels : 4140; 4340":"P; Good","Coolant Thru":"No","Low Carbon Steel : 1010; 1018":"P; Good","Medium Carbon Steel : 1035; 1045":"P; Good","Brand":"OSG","Cutting Direction":"RH","View Catalog Page":"Here","Product Overview":"Countersink","Full Description":"The single and multiple flute carbide countersinks are one of many value-minded products within the OSG Standard Carbide family of products. An economical solution without sacrificing consistent tolerancing and precision.","Feature 2":"Uncoated","Notes":"With brazed steel shank.","Feature 1":"Sizes > 1/4\" have hardened steel shanks. 1/4\" and smaller are solid carbide.","Diameter - Fractional Size (D)":["1","1/8","3/16","1/4","3/8","1/2","5/8","3/4"],"Short Description":"Standard Carbide Countersink for General Machining Applications","Helix Angle - Degree":"21","Diameter-Sizes":"1/8\" - 1\"","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"1.5\" - 3.25\"","Shank-Sizes":"0.125\" - 0.5\"","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%20700/Drills_-_Drill_-_CARBIDE_COUNTERSINK_-_List_700_-_Catalog"],"Friendly Name":"700"}

2023101 — These cone-shaped bits are specifically designed for drilling holes in metal, and they excel at creating precise and smooth holes without any ...

Diamond Toolsapk

{"Number of Flutes":"2","Diameter - Metric (D)":["3","4","6","8","10","12","16","20","25"],"Min Drill Hole Size - Metric":["1.1","1.3","1.5","1.6","2.1","3","1.7","1.9"],"Shank Diameter - Metric (d)":["3","4","6","8","10","12","16","20","25"],"Overall Length - Metric (L)":["48","54","72","81","93","108","118","132","151"],"Diameter - Inch (D)":["0.11811","0.15748","0.23622","0.31496","0.3937","0.47244","0.62992","0.7874","0.98425"],"Flute Length - Metric (FL)":["11","15","20","26","30","36","41","53","60"],"Surface Treatment":["BRIGHT","TiN"],"Web Literature 1":["8002024CA-DR,258|8002024CA-DRT,50","8002024CA-DR,254|8002024CA-DRT,50","8002024CA-DR,245|8002024CA-DRT,50","8002024CA-DR,237|8002024CA-DRT,50","8002024CA-DR,239|8002024CA-DRT,50","8002024CA-DR,250|8002024CA-DRT,50","8002024CA-DR,242|8002024CA-DRT,50"],"Brand":"EX-GOLD","Web Literature 4":"800387CA","Substrate":"HSS","Point Angle - Degree (α)":["90","120","60"],"Hardened Steels : 35 HRC":"H; Good","Low Carbon Steel : 1010; 1018":"P; Best","Aluminum : 6061; 7075":"N; Good","Aluminum : Casting":"N; Good","Medium Carbon Steel : 1035; 1045":"P; Best","Stainless Steels : 17-4PH":"M; Good","Alloy Steels : 4140; 4340":"P; Good","Coolant Thru":"No","Die Steels":"P; Good","Stainless Steels : 300":"M; Good","Stainless Steels : 400":"M; Good","Short Description":"Premium High Performance HSS Spot Drill","Notes":"Other coatings are available upon request.","Units":"Metric","Cutting Direction":"RH","High Carbon Steel : 1065":"P; Best","View Catalog Page":"Here","View Speed and Feed Page":"Here","List Name":"TiN-NC-LDS","Helix Direction":"RH","Product Overview":"2-Flute, 60, 90 and 120 Degree Spot Drills","Full Description":"EX-SPOT Premium High Performance HSS Spot Drill","Helix Angle - Degree":"20","Diameter-Sizes":"0.11811\" - 25mm","Flute-Sizes":"11mm - 60mm","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"48mm - 151mm","Shank-Sizes":"3mm - 25mm","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FStub%20Drills%2FList%201200/Drills_-_Drill_-_EX-SPOT_-_List_1200_-_Catalog"],"Friendly Name":"1200"}

GTADiamond Tools

Protech Diamond™  has devoted over 20 years of research and development into our blade technology.  We pride ourselves on listening to operators and owners alike – their input shines through each and every concrete core & blade we produce.

We spend thousands of hours studying job sites and engineering blades that balance speed, tool life, and accurate cutting. Protech Diamond designs and manufactures blades created for Canadian Aggregates and Stone.

{"Overall Length - Inch (L)":["3","2","2.1875","2.3125","2.125","2.875"],"Number of Flutes":["46","18","20","24","30","36"],"Shank Diameter - Inch (d)":["0.5","0.25","0.375"],"Diameter - Inch (D)":["1","0.25","0.375","0.5","0.625","0.75"],"Surface Treatment":"BRIGHT","Benefit 2":"Can be used with CNC machines or hand tools.","Substrate":"Carbide","Helix Angle - Degree":"5","Point Angle - Degree (α)":["60","82","90"],"Web Literature 1":["8002024CA-DR,201","8002024CA-DR,199","8002024CA-DR,200","8002024CA-DR,239","8002024CA-DR,237","8002024CA-DR,205"],"List Name":"COUNTERSINK","Web Literature 4":"800387CA","Hardened Steels : 35 HRC":"H; Good","Cast Iron":"K; Good","Hardened Steels : 35-45 HRC":"H; Good","Hardened Steels : 45-50 HRC":"H; Good","Benefit 1":"Ideal for creating countersinks.","Units":"Inch","Feature 3":"Inch sizes only","Alloy Steels : 4140; 4340":"P; Good","Coolant Thru":"No","High Carbon Steel : 1065":"P; Good","Brand":"OSG","Cutting Direction":"RH","View Catalog Page":"Here","Short Description":"Standard Carbide Countersink for General Machining Applications","Product Overview":"Countersink","Full Description":"The single and multiple flute carbide countersinks are one of many value-minded products within the OSG Standard Carbide family of products. An economical solution without sacrificing consistent tolerancing and precision.","Feature 2":"Uncoated","Notes":"With brazed steel shank.","Feature 1":"Sizes > 1/4\" have hardened steel shanks. 1/4\" and smaller are solid carbide.","Diameter - Fractional Size (D)":["1","1/4","3/8","1/2","5/8","3/4"],"Diameter-Sizes":"1/4\" - 1\"","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"2\" - 3\"","Shank-Sizes":"0.25\" - 0.5\"","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%20701/Drills_-_Drill_-_CARBIDE_COUNTERSINK_-_List_701_-_Catalog"],"Friendly Name":"701"}

We spend thousands of hours studying job sites and engineering blades that balance speed, tool life, and accurate cutting.  .   Protech Diamond designs and manufactures blades created for Canadian Aggregates and Stone.

Diamond toolsMinecraft

You can’t build a better blade sitting in an office Protech Diamond™ designs every blade we make on job sites. Our North American manufacturing facility allows our engineering team to rapidly prototype new blade concepts and test on the job site the same day.

DiamondTool catalog

2018424 — The basic calculation to find a starting point for RPMs would be (3.82 x SFM) / Diameter. In wrought aluminum alloys (i.e. 2024, 6061, 7075), a ...

1/8" Shank Carbide-Tipped Straight Router Bit. Item 86J0421, 1/4" × 1/2" Straight Bit.

12 in Width, Dove Tailing Router Jigs with Router Bit & 1/2 Template, Precise Alignment Dove Tail Jig, Mortise and Tenon Jig Woodworking Tools

Protech Diamond™  has devoted over 20 years of research and development into our blade technology.  We pride ourselves on listening to operators and owners alike – their input shines through each and every concrete core & blade we produce.

Conventional is an adjective for things that are normal, ordinary, and following the accepted way. Ho-hum. This word describes what is typical and ordinary.

{"Number of Flutes":"2","Diameter - Inch (D)":["0.046875","0.078125","0.109375","0.125","0.1875","0.21875"],"Shank Diameter - Inch (d)":["0.125","0.1875","0.25","0.3125","0.4375","0.5"],"Overall Length - Inch (L)":["1.472","1.827","1.872","2.425","2.638","2.869"],"Diameter - Metric (D)":["1.190625","1.984375","2.778125","3.175","4.7625","5.55625"],"Surface Treatment":"BRIGHT","Substrate":"Carbide","Countersink Included Angle - Degree":"60","Benefit 2":"Coating options include TiN, TiCN, TiAlN","Web Literature 1":"8002024CA-DR,157","Feature 3":"Double Ended","List Name":"DRILL/COUNTERSINK","Web Literature 4":"800387CA","Feature 1":"Four Facet Point","Hardened Steels : 35 HRC":"H; Good","Cast Iron":"K; Good","Aluminum : 6061; 7075":"N; Good","Aluminum : Casting":"N; Good","Units":"Inch","Stainless Steels : 17-4PH":"M; Good","Coolant Thru":"No","Stainless Steels : 300":"M; Good","High Carbon Steel : 1065":"P; Good","Low Carbon Steel : 1010; 1018":"P; Good","Medium Carbon Steel : 1035; 1045":"P; Good","Stainless Steels : 400":"M; Good","Benefit 1":"No spot or center drilling required in most cases.","Brand":"OSG","Notes":"Other coatings are available upon request.","Alloy Steels : 4140; 4340":"P; Best","Cutting Direction":"RH","Feature 2":"Multiple Coatings","View Catalog Page":"Here","Short Description":"Standard Carbide Drill/Countersink for General Machining Applications","Product Overview":"Drill/Countersink","Full Description":"The combination drill / countersink tool is one of many value-minded products within the OSG Standard Carbide family of products.  An economical solution without sacrificing consistent tolerancing and precision.","Nickel Alloy : Inconel":"S; Good","Titanium : 6AL4V (30HRC)":"S; Good","Cutting Diameter Tolerance - Inch":"+0.003 / -0","Cutting Diameter Tolerance - Metric":"+0.076 / -0","Helix Angle - Degree":"0","Type":["1","2","3","4","5","6"],"Point Angle - Degree (α)":"118","Diameter - Fractional Size (D)":["3/64","5/64","7/64","1/8","3/16","7/32"],"Diameter-Sizes":"3/64\" - 5.55625mm","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"1.472\" - 2.869\"","Shank-Sizes":"0.125\" - 0.5\"","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FOthers%2FList%20235/Drills_-_Drill_-_CARBIDE_Drill_Countersink_-_List_235_-_Catalog"],"Friendly Name":"235"}

Shop our Tudor Prince Date 74033 Men's Watch in 18kt Stainless Steel/Yellow Gold at up to 80% off retail. Free US shipping. Authenticity guaranteed.

From woodworking hand tools to complete hand tool kits, Harbor Freight has all the hand tools you'll need to get your job or project done.