Insty Bit Countersink Set

Insty Bit Countersink Set

Insty Bit Countersink Set

D. 4 Pc. Countersink Set - Drill the pilot hole, countersink, and counterbore for screws all at one time with one bit. Best yet it's all "quick change". Set includes a 3/32", 7/64", 1/8" countersink (all with 3/8" counter-bore diameters), and a 9/64" (with 1/2" counterbore diam.). Pilot bits can be adjusted to match screw length. Use standard drill bits as replacements. ANSI standard 1/4" hex shanks. USA

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