Description
NPTI Size: 1/4-18″
L2: 1 1/16″
L1: 2 7/16″
L3: 7/16″
A: 0.421″
Flutes: 4
High speed steel, ground threads
Square drive shank
Right hand cutting direction WARWICK NPTI (INTERRUPTED NATIONAL PIPE THREAD) TAPS Application: HSS straight thread pipe taps (NPTS) are designed for tapping holes or couplings for low pressure work that will adjust at assembly to the taper of external threads. A sealant must be used to secure a pressure-tight joint.
