G1364.3 Countersink - 90°

Countersink with 3-flutes, 90° chamfering angle, maximum diameter 4.30mm with an overall length of 40mm and a head length of 4mm and 4mm straight shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 1.30mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel, copper or copper alloys