| | Type Multistep, nitrided, with two spiral-shaped cutting grooves and fixed drill, HSS, cylinder(without flat, HA), three-surface grind In metal case.
Consisting of: 257500.0100: 1 pieces Multistep drill Type Multistep L1-S 4.0-12.0 mm 257500.0200: 1 pieces Multistep drill Type Multistep L2-S 6.0-20.0 mm 257500.0300: 1 pieces Multistep drill Type Multistep L3-S 6.0-30.0 mm | | |