3 Piece Pro Tapered Countersink Bit Set includes complete countersinks for #6, #8 and #10 screws, 3 stop collars and 2 hex wrenches, all in an attractive wooden case.

The cleanest-cutting countersinks available! Two ultra-deep flutes clear chips with remarkable efficiency and leave a perfectly clean rim, even in delicate veneers. Tapered pilot bits are fully adjustable and replaceable, and feature a flattened shank for a no-slip connection to the countersink. Each bit also includes an adjustable stop collar and a hex wrench for all adjustments.