Metal drill bit, Bosch, HSS-R, 7.5x69x109 mm

Twist drill bit made of high speed steel manufactured to DIN 338. Type N, drill bit tip 118°, diameter tolerance h 8. Rolled spiral flute with ground point, vapour-plated.Shank equal to drill bit diameter. Two-cutter, cylindrical, two flutes. High elasticity due to low-heat shaping manufacturing process. Low risk of breakage - especially when drilling with diameters smaller than 6mm. Spiral flute with oxide coating for rapid chip removal. Suitable for steel , non-ferrous metals, cast iron, hard plastics.