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8-40 tpi Tap Set Hard to Find
Commonly used to tap and drill receivers for scope mounts Set includes: 1 each 8-40 tpi Plug Tap 1 each 8-40 tpi Bottom Tap 1 each #28 CobaltDrill 1 each #4 Starter Bit Use the Starter Bit to get precision hole placement on Hard Receivers. No more dancing drill bits on Hard Receivers Once the hole is started you still need to finish drilling with the #28 bit Carbon steel taps. If one should break off in a hole, the remains can be “shattered” with a punch for easy removal. No so for HSS taps, break an HSS and your SOL See My other auctions for other sizes of Tap and Drill Sets
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