KS Tools 3301640 HSS-R Twist Drill Bits Set 170 pcs 1-10mm 330.1640

HSS-R twist drill set, 170 parts, 1 - 10 mm. Supplied = assembled. Finish = vapour plated. Colour = black. Conforms to = DIN 338 type N. Number of parts = 170 pcs. Min. drill range = 1 mm. Max. drill range = 10 mm. Cutting material = HSS-R. Product type = twist drills. With integrated clasp, high strength hinge. DIN 338 type N. Relieved cone as dri... morell point, right hand cut. 118° tip angle, 20 - 30° spiral angle. High performance steel, black, vapour plated surface. Can be used in steel, alloyed and unalloyed cast steel up to a strength of 900 N/mm², bronze, brass, short chip aluminium alloys, graphite, nickel silver, sintered iron, and grey, malleable, spheroidal and die cast metals.