G10610.4 Countersink with Tri-Flat shank - 90°

Countersink with 3-flutes, 90° chamfering angle, maximum diameter 10.40mm with an overall length of 50mm and a head length of 7.8mm and 6mm tri-flat shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 2.50mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel, grey cast-iron, copper or copper alloys