Neilsen Step Drill HSS Cobalt Cone Bit Hole Metal Cutter Tool 4 - 30mm

Neilsen Step Drill HSS Cobalt Cone Bit Hole Metal Cutter Tool 4 - 30mm
Step drill bit, with deburring tool, HSS-E Cobalt 5%, 4-30 mm 5% Cobalt alloy for maximum tool life and cutting ability
Size: 4,6,8,10,12,14,16,18,20,22,24,26,28,30mm for materials up to 4mm thickness integrated edge breaker for simultaneous and double-sided deburring of sheets up to 1mm thickness