Irwin Step Cone Drill, 1/4In To 1.375In, Hss, 4in (10235)

Impact Rated: Not Impact Rated

Cutting Direction: Right Hand

Material: High Speed Steel

Number of Sizes: 10

Shank Type: Hex

Drill Bit Size: 3/4 in, 3/8 in, 1-3/8 in, 1/2 in, 5/8 in, 1-1/8 in, 1-1/4 in, 7/8 in, 1 in, 1/4 in

Measurement System: Fractional Inch

Finish/Coating: Black Oxide

Overall Length: 3-1/16 in

Shank Diameter: 3/8 in

Size Decimal Equivalent: 0.7500, 1.1250, 1.2500, 1.0000, 1.3750, 1.2188, 0.6250, 0.5000, 0.8750, 0.2500, 0.3750