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IRWIN INDUSTRIAL TOOLS Step Drill Bit Sets

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Number of Flutes: 1 , Shank Type: Hex
StyleModelShank SizeSize RangeBit LengthSizeFinishSizes IncludedItemMaterialPrice
A
10502cb
1/4", 3/8"1/8" to 3/4"2-3/4", 3-1/8"-Steam Oxide1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"Step Drill Bit SetCobalt£226.55
B
11104
3/8"4 mm to 22 mm2.875"4 mm to 22 mm, and 2 mmBright10 Hole Sizes (4 mm - 22 mm), 2 mm IncrementsStep Drill BitHigh Speed Steel£101.14
C
16104
3/8"4 mm to 22 mm2.875"4 mm to 22 mm, and 2 mmTitanium Nitride10 Hole Sizes (4 mm - 22 mm), 2 mm IncrementsStep Drill BitHigh Speed Steel£102.55
D
11103
3/8"6 mm to 18 mm2 9/16"6 mm to 18 mm, and 2 mmBright7 Hole Sizes (6 mm - 18 mm), 2 mm IncrementsStep Drill BitHigh Speed Steel£90.50

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