Osborn 16.5 mm X 90 Deg. 3FLT HSSCo M42 Cobalt Countersink Drill (Single)
The Osborn 16.5 mm X 90 Deg. 3FLT HSSCo M42 Cobalt Countersink Drill is for producing countersinks for cap screws. The 16.5 mm X 90 Deg. 3FLT HSSCo M42 Cobalt Countersink Drill DIN335C is self centering and chatter free. Can be used for chamfering. Shank Diameter: 10 mm. Overall length: 60 mm.