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

Step 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, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.5, 0.5625, 0.625, 0.6875, 0.75
Impact Rated	No
Measurement System	Fractional Inch
Material - Machining	High Speed Steel
Primary Material Application	Brass, Copper, Laminate, Steel, Plastic, Wood
Finish - Machining	TiN
Step Increments	1/32 in, 1/16 in
Shank Type - Machining	Straight with Three Flats
Sub Brand	Unibit
Series	UNIBIT
Number of Drill Bits	3