Description
Countersink with 4-flutes, 82° chamfering angle, maximum diameter 1/2″ with an overall length of 3.7/8″ and a head length of 1.5/8″ and 1/2″ straight shank, according to ANSI standard to produce a conical seat for US standard countersunk-head screws, HSS with standard bright finish for machining free machining, plain carbon and tool steel, wrought and copper or copper alloys
