PIPE NPT TAP Series 102 Size Chart
Always in STOCK! Ships Same-Day PST!
Use any Pipe (npt) Tap, provided the tap square and tap shank dimensions match with our stock sizes published below.
Each Extension is precision machined in America (using only USA steel sources) and guaranteed against defects in material and workmanship. Why its different.
Available in 4", 6", 8" and 12" lengths.
Important: Self-Locking feature requires the dimensions of your Tap Square and Shank match with the Size Chart Dims indicated for the Tap Shank (B) and Square (C) Accepted.

NPT Tap
Size
OAL
Ext Length
Order
#
Description
[A]
MAX EXTENSION DIAMETER
[B]
MAX TAP SHANK ACCEPTED
[C]
MAX TAP SQUARE
ACCEPTED
[D]
LENGTH OF SMALL SHANK OF EXTENSION
[E]
DIAMETER
OF SMALL SHANK OF EXTENSION