Irwin Step Cone Drill 3/16 in to 7/8 in HSS (UNIBIT 4)

Overall Length: 2-7/8 in

Impact Rated: Not Impact Rated

Shank Type: Straight with Three Flats

Finish/Coating: Black Oxide

Shank Diameter: 3/8 in

Size Decimal Equivalent: 0.7500, 0.1875, 0.8125, 0.6250, 0.5000, 0.8750, 0.2031, 0.6875, 0.5625, 0.2500, 0.3750, 0.3125, 0.4375

Measurement System: Fractional Inch

Cutting Direction: Right Hand

Material: High Speed Steel

Number of Sizes: 12

Drill Bit Size: 3/4 in, 9/16 in, 11/16 in, 3/16 in, 3/8 in, 5/16 in, 13/16 in, 1/2 in, 5/8 in, 7/8 in, 7/16 in, 1/4 in