Dormer Countersink DIN 335 C 100 ° nominal-Ø 12.4 mm HSS TiAlN Z.3

Countersink DIN 335C 100 Degrees D. 12.4 mm HSS TiAlN Z.3 DORMER: Countersink with 3 cutting edges, 100° chamfer angle, maximum diameter of 12.40 mm, total length of 53 mm, head length of 7 mm, 8 mm cylindrical shank. According to DIN 335 C standard for creating a conical seat for BS standard countersunk screws and aerospace fasteners with a minimum drill diameter of 2.80 mm. HSS with standard TiAlN coating for machining steel and cast iron. Suitable for gray, malleable, ductile, and compacted graphite cast iron, cast aluminum, as well as copper and copper alloys.