Sherwood 60°, Countersink, 8.3mm, Straight Shank, 3 fl, Cobalt High Speed Steel

A­ chatter-free cutter giving an excellent burr-free finish. Capable of deburring and countersinking in one stroke with no ‘back-off’ of tool. Also free countersinking of aluminium with no secondary bulge. For special applications and exotic materials, a choice of hard coatings is available.