3Piece Countersink Bit Set for Log Tenon Cutters

Use in log furniture construction to cut a precise 60º taper on the mortise–a perfect match when used in conjunction with the 60º tenon cutter–for a strong, beautiful joint. Drill a 1, 1-1/2, or 2 diameter hole with a forstner bit, then use this countersink bit (with the appropriate guide bore) to create a perfectly shaped shoulder. Set includes the triangular blade, a 1 diameter shaft, 1-1/2 and 2 guide bores, and an allen wrench for assembling the bit and changing bores. 1/2 shank. For use with 20398, 22076 and 23323 Log Tenon Cutters.