Irwin 10239 Step Drill Bit 2 Hole Sizes, 7/8 in to 1 1/8 in, 1/4 in Step Increments, Black Oxide Finish

Step Drill Bit, High Speed Steel, Black Oxide, 7/8 in to 1 1/8 in Size Range, Straight with Three Flats, 3/8 in Shank Diameter, 2 7/8 in Overall Length, Maximum Drilling Depth 1/8 in Material High Speed Steel Finish Steam Oxide Number of Pieces 1 Number of Flutes 1 Shank Type Hex Shank Shape Hex Drill Bit Finish Steam Oxide Impact Rated No Drill Bit Material High Speed Steel Item Step Drill Bit Decimal Equivalent 0.875, 1.125 Sub Brand Unibit Step Increments 1/4 in Primary Material Application Aluminum, Brass, Copper, Laminate, Plastic, Steel, Wood Series UNIBIT Measurement System Fractional Inch Material - Machining High Speed Steel Drill Bit Point Type Speed Point Shank Type - Machining Straight with Three Flats Finish - Machining Black Oxide Cutting Direction Right Hand Application Plastic, Copper, Laminate, Brass, Stainless Steel, Aluminum