#4 UNIBIT
SKU: IR-10234 - #4 Unibit Step Drill, 3/16" - 7/8", 12 steps. High Speed Steel Fractional Self-Starting. Single flute cutting edge for greater control through steps. 3 flatted shank prevents slipping in drill chuck. New SpeedPoint tip penetrates faster than previous Unibits and prevents walking. Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Pack: 5 each