Milwaukee Step Drill Bit, NO 4, 3/16 - 7/8 in Diameter, 2-61/64 in Overall Length, 12 Steps, 5/32 in Step Depth, 2 Flutes, Dual Flute, 3/8 in Shank, 3-Flat Secure-Grip Shank, High Speed Steel, Black Oxide, Applicable Materials: Metal and Plastic, For Drilling Multiple-Diameter Holes in Steel, Copper, Brass, Aluminum, PVC, Wood and Laminates Up to 1/8 in Thick
Milwaukee Step Drill Bit, NO 4, 3/16 - 7/8 in Diameter, 2-61/64 in Overall Length, 12 Steps, 5/32 in Step Depth, 2 Flutes, Dual Flute, 3/8 in Shank, 3-Flat Secure-Grip Shank, High Speed Steel, Black Oxide, Applicable Materials: Metal and Plastic, For Drilling Multiple-Diameter Holes in Steel, Copper, Brass, Aluminum, PVC, Wood and Laminates Up to 1/8 in Thick