1/4" (m6) x 4" Tap Extension ANSI 101 series

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  • Regular price $69.00
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Tap Size 1/4"
Extension Length OAL 4.00"
Maximum Extension Diameter 0.375
Maximum Tap Shank Accepted 0.255
Maximum Tap Square Accepted 0.191
Length of Small Shank of Extension 2.125
Diameter of Small Shank of Extension 0.255
Square Shank of Extension 0.191

Tap Extension Diagram

Made in USA using USA foundry steel. Self-Locking feature requires Tap Square and Shank match max accepted dims.  See Detailed Size chart for all dimensions. Metric (m) size is conversion.  

0.255 – B Max Tap Shank Accepted

0.191 – C Max Tap Square Accepted

Easily extends the reach of thread taps.  No collet or set screws. Reusable.  For all machine and hand tapping applications.  Extension offers smallest OD in the industry.  
Metric (m) size is conversion.  Verify the Tap mfg specs or measure Tap square and shank to assure Tap will seat with extension. 

Only the custom drift included can dislodge the Tap from the extension.

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