Description
NPTI Size: 1 1/4-11.5″
L2: 1 3/4″
L1: 4″
L3: 15/16″
A: 0.984″
Flutes: 7
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.
