HSS-twist drills

Type

13 pcs 25 pcs

Description

  • Precision spiral drill bit made of high-grade high-speed steel according to DIN 338, precision-ground, cylindrical, right-hand cutting, type N, crosswise grinding 135° according to DIN 1412 C (from 3 mm), diameter tolerance h8, surface blank. For highest demands and precision in industry and handcraft. For drilling steels, cast steel, alloyed and non-alloyed, grey cast iron, malleable cast iron, ductile cast iron, sintered iron, nickel silver, graphite, NF metals, plastic. Up to 900 N/mm² tensile strength.
  • 13 pieces, in plastic storage case
  • Ø 1.5 / 2 / 2.5 / 3 / 3.2 / 3.5 / 4 / 4.5 / 4.8 / 5 / 5.5 / 6 / 6.5 mm