Tap & Reamer Holder, 0-1/2", Self Aligning 

Self-aligning tap and reamer holder utilizes 4 jaw collet design to provides firm grip and 90° alignment that eliminates tap breakage while producing perfectly aligned threads. The collets 4-jaw design help ensure the tap is mounted straight and provide a tight grip on the tap's shank.

The collets included will fit #0 to #8 and #10 to 1/2".

The base of the guide has two 120° vees that accept round stock.