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 screw depth, and features a flattened shank for a no-slip countersink connection. Features Countersink or counter bore clean, smooth holes for screws and fasteners Power groove 1/4" hex shank is quick change and impact drill/driver compatible Allen wrench for drill bit depth adjustments and replacement For use in wood and plastic 5 Piece Includes: 5pc Power Groove Countersink Set Specifications Country of Origin: USA Weight: 0.28 lbs
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