MACHINE TAP Series 101 Size Chart
Order by Item from our size chart below, by SET SKU or customize your own set.
Always in STOCK! Ships Same-Day PST!
Use any standard machine (ANSI) or Pipe (npt) Tap and/or Metric conversion, 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 2", 4", 6", 8" and 12" lengths and now offering 2-1/2", 3", 3-1/2", 5" and 7" lengths in select tap sizes shown below. Customize a set by individual sizes and lengths or choose for our SET SKU below.
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.

F
Tap
Size
OAL
Ext Length
Order #
Description
Metric
Conversion
[A]
Max Extension DIA
[B]
Max Tap Shank Accepted
[C]
Max Tap Square Accepted
[D]
Length of Sm Shank Ext.
[E]
Did of SM Shank Ext.
[F]
SQ Shnk of Extension
ANSI (metric) TAP SETs
Purchase individually, by SET SKU or customize your own set. Contact your Distributor or select from our Roster for a QUOTE
SET SKU#
Set Includes Tap Sizes
Extension Length
UNIT