This 3 piece set allows you to drill a pilot hole and countersink or counterbore for #6, #8, & #10 tapered screws or use to drill a clearance hole for straight screws. New design, now featuring a reusable 1/4″ hex shank for use with round shank tapered twist drills. Precision machined to work with the Snappy quick change chucks or any tool designed to accept a 1/4″ hex shank.Features:Made of thru-hardened alloy steel for a long cutting life.Counterbore Size:3/8″ x 82°What’s Included:(1) 9/64″ x 3/8″ – For #6 Screws(1) 11/64″ x 3/8″ – For #8 Screws(1) 13/64″ x 3/8″ – For #10 Screws(1) 1/8″ Hex KeyProduct Notes:Replacement tapered twist drills available.Note: Not compatible withSnappy Premium Rotating Stop Collar.

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