G60025.0 Countersink, Extra Long - 90°

Countersink with 3-flutes, 90° chamfering angle, maximum diameter 25.00mm with an overall length of 168mm and a head length of 15.7mm and 10mm straight extended shank, according to DORMER standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 3.20mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel