Special characteristicsDIN 338, Type N, short, cylindrical, right-hand cutting, with 5% cobalt alloyed high-speed steel, solid material, precision ground, conical ground 130°, from 3 mm thinned side cutting, optimal centering, improved wear resistance, stability and accuracy, for steels up to 1400 N/mm2, extremely suitable for pillar drills and for hand drills with and without drill stand (shank diameter is equal to drill diameter).Technical datadrill diameter: 2.5 mmworking length: 30 mmdrill length: 57 mmmaterial: HSS type: N shape: cylindrical direction: right-hand cutting standard: DIN 338 content 2: 2 pcs