101052

HSS Step Drills The flutes are CBN-ground from solid in the hardened form to ensure the cutting edges are smooth and sharp throughout the life of the tool. Suitable for drilling non-ferrous metal, special steel, thermoplastics, duroplastics and sheet metals up to 4mm. 485347 Price Each Range Order Code 4 - 12mm x 1mm 4 - 20mm x 2mm 4 - 30mm x 2mm 136-8555 136-8556 136-8557