Wolfcraft Countersink 3 - 8 mm - WSSuitable for wood, plastics, Non-ferrous metalsFeaturesdrills and countersinks at the same time prevents accidental damage to wood hex shank allows quick tool change in bit holderTechnical dataAngle 45Number of cutting edges 3Shank version Hex shank SW 6,35 mm (¼")\xa0 Direction of rotation Right-hand rotation\xa0 Max. Speed 1\xa0500\xa0rpm Material Tool steel\xa0.