EXACT HSS Step Drill Bit 4mm x 20mm

HSS step drill with straight tap, two-edged
TiAlN coating, for particularly tough materials
For burr-free drilling and planing sheet metal, pipes and profiles
No centre-punching necessary, drill bits do not run
Suitable for construction steel, CrNi steel, non-ferrous metals, Plexiglas, plastics and wood up to 6 mm thick
Diameter specification is lasered on every level
Three-faced driving shaft, prevents slipping in the drill chuck
Sets delivered in a plastic case