IRWIN INDUSTRIAL TOOLS Step Drill Bits

Cobalt / high-speed steel step drill bits designed to drill or enlarge holes in aluminium, brass, copper, PVC, steel or wood. Feature a single-flute cutting edge and a Speedpoint tip, and come in different shank sizes and bit lengths

Filter

IRWIN INDUSTRIAL TOOLS -

Step Drill Bits

StyleModelDecimal EquivalentStep IncrementsMaterialFinishShank Dia.Impact RatedShank Hex SizeMax. Drilling DepthPrice
A10502ZR0.125, 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-High Speed SteelBlack Oxide3/8"No1/4"-€154.05
B10311ZR0.8755/32"High Speed SteelBlack Oxide3/8"No1/4"-€64.09
C11105ZR0.1969, 0.2953, 0.3937, 0.5118, 0.6299, 0.748, 0.8268, 0.9055, 1.0236, 1.1417, 1.2205, 1.2992, 1.3782 mmHigh Speed SteelBlack Oxide3/8"No-1/8"€171.54
IRWIN INDUSTRIAL TOOLS -

High Speed Steel Step Drill Bit

StyleModelFinishDecimal EquivalentMax. Drilling DepthSizeBit LengthShank SizeStep IncrementsStep ThicknessPrice
AUNIBIT 10Bright--1/2"1 3/4"1/4"--€45.25
BUNIBIT 4Bright0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.8751/8"3/16" to 7/8"3 1/4"-1/16"1/16"€105.17
CUNIBIT 13Bright1.25-1.125"2 7/8"7/16"5/32"-€117.72
DUNIBIT 1Bright0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.51/8"1/8" to 1/2"3 1/8"1/4"1/32"1/32"€45.77
EUNIBIT 20Bright0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875, 0.9375, 11/8"9/16" to 1"3"7/16"1/16"1/8"€94.06
FUNIBIT 3Bright0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.751/8"1/4" to 3/4"2 3/4"3/8"1/16"1/16"€82.47
GUNIBIT 11Bright0.875-7/8"2.593"3/8"5/32"-€60.33
HUNIBIT 2Bright0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.55/16"3/16" to 1/2"3 1/8"1/4"1/16"1/16"€45.77
I10239Steam Oxide0.875, 1.1251/8"7/8" to 1 1/8"3 1/8"7/16"1/4"-€154.04
J15104TiN Coating0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.8751/8"3/16" to 7/8"3 1/4"3/8"1/16"1/16"€174.93
K15101TiN Coating0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.51/8"1/8" to 1/2"3 1/8"1/4"1/32"1/32"€82.26
L15102TiN Coating0.125, 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, 0.8125, 0.875, 0.9375, 1, 1.0625, 1.125, 1.1875, 1.25, 1.3125, 1.3751/8", 5/16"3/16" to 1/2"-1/4"1/16"1/16"€73.47
M15103TiN Coating0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.751/8"1/4" to 3/4"2 3/4"3/8"1/16"1/16"€116.45
IRWIN INDUSTRIAL TOOLS -

Cobalt Step Drill Bit

StyleModelDecimal EquivalentMax. Drilling DepthShank Hex SizeBit LengthShank SizeStep IncrementsSizeStep ThicknessPrice
A10233cb0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.751/8"3/8"2 3/4"3/8"1/16"1/4" to 3/4"1/16"€139.79
A10231cb0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.51/8"1/4"3 1/8"1/4"1/32"1/8" to 1/2"1/32"€81.41
A10239cb0.875, 1.1251/8"-3 1/8"7/16"1/4"7/8" to 1 1/8"-€226.09
A10232cb0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.55/16"1/4"3 1/8"1/4"1/16"3/16" to 1/2"1/16"€78.79
A10234cb0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.8751/8"-3 1/4"3/8"1/16"3/16" to 7/8"1/16"€157.28
A10220cb0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875, 0.9375, 11/8"-3"7/16"1/16"9/16" to 1"1/8"€156.41
IRWIN INDUSTRIAL TOOLS -

Step Drill 10 Hole Sizes 1/4-1 3/8

ModelItemPrice (ex. VAT)
10235AD2VCD€226.31