RUKO 102407 Flat Countersink M12 Fine (Diameter 20.0mm)

Flat countersinkers DIN 373 HSS with fixed guide - Fine grade for through hole

For producing countersinkings for cylinderhead screws, thread-cutting screws and thread-furrowing screws. Ideal for burr- and chatter-free deburring and countersinking. Applicable for steel, cast iron, non-ferrous and light metals. Best results at low cutting speeds.