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Replacement Countersink Drill Bits


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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.