Model # 195ST
This set includes three heavy-duty countersink bits for creating chatter-free countersunk screw holes in steel, brass, aluminum, plastic, wood and other materials. The three sizes included are 1/2 in. (12 mm), 5/8 in. (16 mm) and 3/4 in. (19 mm). Constructed with high-speed steel these bits are extremely reliable and durable.