Exact ADVANCEDLINE Step Drill Set, Diameter 4-12 mm, HSS, TiAlN Coating, Optional with Rotastop Shaft

Application: for burr-free drilling and reaming of sheet metal, pipes and profiles.
Drilling range: 4-12 mm.
Step height: 4 mm.
Total length: 66 mm.
Shank Diameter: 6mm
Drilling levels: 4-12 mm.
Advantages:
Up to 30% faster drilling.
Up to 50% longer service life.
More power
The 4 spiral flutes revolutionise the entire drilling process and improve the drilling behaviour by up to 30% thanks to significantly reduced transverse forces and lower wear due to the optimised force distribution on 4 instead of 2 cutting edges.