#4 Unibit Step Drill
7 in stock (can be backordered)
3/16″ – 7/8″ x 16ths Irwin Unibit Step Drill
Speed point 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 mild steel, copper, brass, aluminum, plexiglass, wood and laminates.
Priced and sold individually.