Description
Countersink for 1911 frames that use recessed pins, 60 degrees
High speed steel bit, 1/4″ shank diameter
Practice on a test piece of metal to get the right depth before cutting your frame.
Forum discussion on countersinking the holes here: https://www.indianagunowners.com/threads/countersink-degree-of-seer-and-hammer-pin-hole-1911.364080/
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