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.
NOTE: Item 23717 is a 60 Degree Replacement Blade for Countersink Bit Set (Item 21908)