The Tapered Drill Countersinks drill a pilot hole and countersink in the same motion, for 3 sizes of screw. The new design has both a countersink depth stop and a removable drill bit, so you only have to replace one part if the drill wears out. Drill bits are made of hardened industrial steel, and the set screws are hardened for tight, secure stop fixture.
Designed, machined, and assembled in the USA.










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