Irwin 15502 Step Drill Bit Set 17 Hole Sizes, 1/4 in to 3/4 in/1/8 in to 1/2 in/3/16 in to 1/2 in 47172077 Tip Size 9 mm

Tip Size 9 mm

Control Cage

Head Material Carbon

Application Automotive A/C

Cushion Material Not Applicable

Irwin 15502 Step Drill Bit Set 17 Hole Sizes, 1/4 in to 3/4 in/1/8 in to 1/2 in/3/16 in to 1/2 in 47172077 Tip Size 9 mmStep Drill Bit Set, High Speed Steel, TiN, 1 4 in to 3 4 in, 1 8 in to 1 2 in, 3 16 in to 1 2 in Size Range, Straight with Three Flats, Number of Drill Bits 3, Shank Hex Size 1 4 in Number of Pieces 3 Cutting Direction Right Hand Drill Bit Material High Speed Steel Includes 15101 (1 8 in to 1 2 in), 15102 (3 16 in to 1 2 in), 15103 (1 4 in to 3 4 in) Shank Shape Three Flat Number of Flutes 1 Shank Type Hex Decimal Equivalent 0. 125, 0. 1563, 0. 1875,