IRWIN VISE-GRIP VSG10234 - #4 High Speed Steel Fractional Self-Starting Drill Bit, 3/16"-7/8"

• SpeedPoint™ tip - provides 6X faster initial penetration time than before and eliminates the need for center punching • Single-fluted cutting edge assures true round holes and allows greater control with less vibration • Ideal for drilling holes in thin materials such as mildsteel, copper, brass, aluminum, plexiglass, wood and laminates