Kwik Stepper® Cobalt Step Bit, 1/2 in to 1-1/8 in Cutting dia, 3 Steps

Engineered with Cobalt High Speed Steel (HSS) material for maximum life on stainless steel. Reduces wear of bit and maximizes heat resistance. New split point tip eliminates walking and penetrates quickly up to 10 ga stainless steel. Two cutting edges share the load resulting in faster drill times with less force. Also cuts mild steel, copper, brass, aluminum, fiberglass, plastic, wood, and laminates.