Multi-stage drill bit Ø- 4, 6, 8, 10, 12, 14, 16, 18, 20 HSS Co5

Multi-stage drill bit Ø- 4, 6, 8, 10, 12, 14, 16, 18, 20 HSS Co5 (Z): 2(cd): R(⌀d2): 8.00Shank type: CylindricalMaterial type: HSS Co5Coating type: UncoatedMaterial classification level: P,K,N(dr): 4/6/8/10/12/14/16/18/20(xD): .