STEP DRILL BIT G.3 9-36/31
HSS precision step drill
For precise drilling and reaming of sheets, pipes and profiles without burrs up to a maximum material thickness of 4 mm
Optimal cutting geometry with very smooth working behavior for better surface quality and smooth transition between drilling phases
Reduces radial force by 80% and offers fast drilling with low wear concentration
No breakage and blocking of the cutting edges, thanks to special grinding
With solid central tip
Drill Ø laser-machined
No rotation in the drill chuck