As we do not market our own range of tooling and inserts we offer a completely confidential service. Our experience in tooling design enables us to provide innovative solutions for new applications, safeguarding revenue streams for replacement inserts.

MNPTmeaning

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MNPTfitting

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Working in conjunction with our customers we can offer expert advice on specific design criteria ensuring you end up with the best solution for your application. We are not restricted by size or shape.

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Reference ANSI/ASME B1.20.1-1983 (R1992) Angle between sides of thread is 60 degrees. Thread taper, is 3⁄4 inch per foot.

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With over 40 years experience in press tooling, our efficient, high quality service is best suited to companies looking for runs of between 500 to 10,000.

Contact Total Carbide and find out how we can help to provide you with special inserts that will last the distance +44 (0)1844 275171

National Standard Taper Pipe Threads Size NPT Chart - Includes both External and internal Pipe Thread Data. The taper rate for all NPT threads is 1⁄16 (3⁄4 inch per foot) measured by the change of diameter (of the pipe thread) over distance. The angle between the taper and the center axis of the pipe is 1° 47'′ 24"″ (1.7899°). Commonly-used sizes are 1/⁄8, 1/⁄4, 3/⁄8, 1⁄/2, 3⁄/4, 1, 1 1⁄/4, 1 1⁄/2, and 2 inch, appearing on pipes and fittings by most U.S. suppliers. Sizes smaller than 1/⁄8 inch are occasionally used for compressed air, while sizes larger than 2 inches are uncommon, due to the use of alternative methods of joining that are used with these larger sizes. NPT is defined by ANSI/ASME standard B1.20.1.

Total Carbide has an extensive stock of more than two thousand existing die sets which can be used to produce a wide range of unique Tungsten Carbide cutting inserts for the metalcutting industry.

Nominal Pipe Size is loosely related to the inside diameter of Schedule 40 pipe. Because of the pipe wall thickness, the actual diameter of the threads is larger than the NPS, considerably so for small NPS. Other schedules of pipe have different wall thickness but the OD (outer diameter) and thread profile remain the same, so the inside diameter of the pipe is therefore different from the nominal diameter.