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Big Sert Tap Guide 3/8-16 & 3/8-24 Part #75315
Big Sert Tap Guide 3/8-16 & 3/8-24 Part #75315
This is for the TAP GUIDE ONLY
For use with Big-Sert kit 5381 and 5382
Big Sert Tap Guide 3/8-16 & 3/8-24 Part #75315
Works With Both Sizes
TAP GUIDES INSURE THAT THREADS ARE SQUARE TO SURFACE.
The lower portion of the tap guide should remain as square as possible to the engine surface.
Turn the tap slowly while making sure the guide remains flush.