ASME B1.20.3 Dryseal Pipe Threads: F-PTF (fine)

All 8 thread sizes per ASME B1.20.3. Click any row for full specifications, tolerances, and geometry.

DesignationDiameter (in)TPISpecs
1/4"0.5427 TPI
ExternalInternal
3/8"0.67527 TPI
ExternalInternal
1/2"0.8418 TPI
ExternalInternal
3/4"1.0518 TPI
ExternalInternal
1"1.31514 TPI
ExternalInternal
1 1/4"1.6614 TPI
ExternalInternal
1 1/2"1.914 TPI
ExternalInternal
2"2.37514 TPI
ExternalInternal

Showing 8 thread sizes • Standards: ASME B1.20.3