Step Drill Bits(3 Products)
IRWIN INDUSTRIAL TOOLS

Number Of Hole Sizes	Decimal Equivalent	Maximum Hole Size	Minimum Hole Size	Step Increments	Material	Finish	Shank Dia.	Price
1	0.875	7/8"	7/8"	5/32"	High Speed Steel	Black Oxide	3/8"	£62.73
Step Drill Bit, 1 Hole Sizes, 5/32 Inch Step Increments, 1/4 Inch Shank Hex Size Model No. 10311ZR SKU CR4XVM Cross Ref. 41GR88 Price£66.03 /unit Product Detail
13	0.1969, 0.2953, 0.3937, 0.5118, 0.6299, 0.748, 0.8268, 0.9055, 1.0236, 1.1417, 1.2205, 1.2992, 1.378	35 mm	5 mm	2 mm	High Speed Steel	Black Oxide	3/8"	£167.9
Step Drill Bit, 13 Hole Sizes, 5 mm to 35 mm, 2 mm Step Increments, Black Oxide Finish Model No. 11105ZR SKU CR4XVL Cross Ref. 41GR89 Price£176.74 /unit Product Detail
17	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	3/4"	1/8"	-	High Speed Steel	Black Oxide	3/8"	£150.79
Step Drill Bit Set, 17 Hole Sizes, 1/8 Inch to 3/4 Inch, 1/4 Inch Shank Hex Size Model No. 10502ZR SKU CR4XVK Cross Ref. 41GR65 Price£158.72 /unit Product Detail