Countersink Insert (replacement for Modular Drill & Driver)

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:

• Replaces countersink drill for Modular Drill & Driver.
• 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
• For use in wood and plastic
• Made in the USA

From our engineers: Correct size plug cutter as companion to the countersink inserts

#6 countersink  is a 3/32” drill with a countersink diameter of 5/16. This would use a 5/16 plug cutter

#8 countersink is a 7/64” drill with a countersink diameter of 5/16. This would use a 5/16 plug cutter

#10 countersink is a 1/8” drill with a countersink diameter of 3/8”. This would use a 3/8 plug cutter

#12 countersink is a 1/8” drill with a countersink diameter of 7/16”. This would use a 7/16 plug cutter