Tap NPT, straight pipe thread, taper
Tap NPT, straight pipe thread is the thread according to the US standard (American National Screw Thread). with angle angle of 60 degrees, made of high-speed steel
P pitch between threads = 1/number of threads/inch D pitch depth = 0.64952xP F = P/8
How to do inner threading of taps
Taps are intended for threading up to 25 mm. If...