Replacement Countersink Drill Bits

Pre-drill and countersink to drive screws flush with the material surface or deep hole counter boring for driving screw heads below the surface. Ultra-sharp cutting flute clears chips efficiently and leaves a clean, smooth hole. Adjustable drill bit length for desired screwed depth, and features a flattened shank for a no-slip countersink connection. Product Features: Replacement Drill Bits for Countersinks and Modular 4-in-1 Drill & Driver Precision ground with flatted shank to prevent "spin-out" Includes set screws to secure in the countersink Sizes available:  #6,  #8,  #10 / #12    WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.