EZARC Countersink Drill Bit Set, 8 PCS Tapered Drill Bits Counter Sinker Set, 1/4" Hex Shank Quick Change for Woodworking, Pilot Screw Hole Set

EZARC Countersink Drill Bit Set 8pcs, 5Pcs Tapered Countersink Drill Bits for Wood #4 (7/64"), #6 (9/64"), #8 (11/64"), #10 (3/16"), #12 (7/32") Hex Shank Wood Counter Sink Bits, 2pc depth stop collars (3/8" and 1/2"), and 1pc 1/8" Allen Key, Counter Sinker Drill Bit Set for Woodworking Clean & Smooth Drilling--Ultra-sharp cutting flute clears chips efficiently and leaves a clean, smooth hole. Adjustable---Quality built depth adjustable counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Universal Use--Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks Clean Look---Drill bit countersinks create a chamfered hole with a tapered opening that permits screws to install flush with the surface of the workpiece for a neat appearance. Perfect for woodworking project Drill, Countersink and Counterbore in one step