HUGE 4 4 Tap 1

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For sale is a HUGE ENORMOUS tap. It is a 4-4 tap, meaning that it is for 4" thread bolts with 4 threads per inch (TPI). Made by Vermont american of High Speed Steel.

This tap weighs approximately 26 lbs, made of very expensive high speed steel. Has PERFECT teeth and I could not find any evidence of its use at all. It was surplused by Fermilab.

It says: VERMONT-G 4"-4 HSS GRD -.015


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