Description
Countersink with 4-flutes, 82° chamfering angle, maximum diameter 7/8″ with an overall length of 4.1/4″ and a head length of 2″ 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
