Description
NPTI Size: 1/8-27″
L2: 3/4″
L1: 2 1/8″
L3: 3/8″
A: 0.328″
Flutes: 3
High speed steel, ground threads
Square drive shank
Right hand cutting direction WARWICK NPTI (INTERRUPTED NATIONAL PIPE THREAD)TAPS Application: HSS interrupted thread pipe taps are designed for tapping soft or tough stringy metals that tend to load threads with chips. Interrupted thread pipe taps start with a few full threads and then have every other thread removed along the thread helix to provide more chip space, better lubrication, and to reduce drag.
