ASME B1.20.3 Dryseal Pipe Threads: SPL-PTF (OD tubing)

All 5 thread sizes per ASME B1.20.3. Click any row for full specifications, tolerances, and geometry.

DesignationDiameter (in)TPISpecs
1/2"0.527 TPI
ExternalInternal
5/8"0.62527 TPI
ExternalInternal
3/4"0.7527 TPI
ExternalInternal
7/8"0.87527 TPI
ExternalInternal
1"127 TPI
ExternalInternal

Showing 5 thread sizes • Standards: ASME B1.20.3