Koken No. 3 made in Japan 1/2" Drive Tap Holding Chuck Holds 5.5-12mm Range square Shanks 4131A-3 - Use your RATCHET for TAPPING !


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Sale price$139.00
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In stock

Description

Koken No. 3 made in Japan 1/2" Drive Tap Holding Chuck Holds 5.5-12mm square Shanks 

This unusual tap chuck is the first of its kind that I have seen. It allows you to hold a square shanked tap from 5.5mm ( a 1/4 UNF / UNC tap has approximately this size shank and fits easily) to 12mm ( I tried a  5/8 - 11 tap and it had the maximum size shank it would hold)  securely and use your 1/2" drive ratchet to drive it. For hard to reach areas an extension can be added to the back of the tap chuck. It can also be used with a sliding T handle . 

A very useful tool that makes difficult jobs much easier.

Premium Japanese quality! 

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