Description
Zero flute countersink, through hole style, with 1-cutting edge, 90° chamfering angle, maximum diameter 20.00mm with an overall length of 84mm and a head length of 43mm and 12mm straight shank, according to DORMER standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 15.00mm, cobalt based HSS-E with standard bright finish for machining free machining, plain carbon and alloy steel, wrought and copper or copper alloys
