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15101 Irwin TiN HSS Step Drill Bits
- Hole Diameter (Inch): 1/8 to 1/2
- Drill Bit Finish/Coating: TiN
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 15101
- Finish/Coating: TiN
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 1/2
- Number of Hole Sizes: 13
- Minimum Hole Diameter (Inch): 1/8
- MaxDrilling Capacity (Inch): 1/2
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 1/8
- Shank Diameter (Inch): 1/4
- Brand: Irwin
- Enco Part Number: 302-1106
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$33.36 ea
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15102 Irwin TiN HSS Step Drill Bits
- Hole Diameter (Inch): 3/16 to 1/2
- Drill Bit Finish/Coating: TiN
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 15102
- Finish/Coating: TiN
- Material: HSS
- Step Thickness (Inch): 3/8
- Maximum Hole Diameter (Inch): 1/2
- Number of Hole Sizes: 6
- Minimum Hole Diameter (Inch): 3/16
- MaxDrilling Capacity (Inch): 1/2
- Flute Length (Inch): 3/8
- MinDrilling Capacity (Inch): 3/16
- Shank Diameter (Inch): 1/4
- Brand: Irwin
- Enco Part Number: 302-1109
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$33.36 ea
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15103 Irwin TiN HSS Step Drill Bits
- Hole Diameter (Inch): 1/4 to 3/4
- Drill Bit Finish/Coating: TiN
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 15103
- Finish/Coating: TiN
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 3/4
- Number of Hole Sizes: 9
- Minimum Hole Diameter (Inch): 1/4
- MaxDrilling Capacity (Inch): 3/4
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 1/4
- Shank Diameter (Inch): 3/8
- Brand: Irwin
- Enco Part Number: 302-1107
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$59.31 ea
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15104 Irwin TiN HSS Step Drill Bits
- Hole Diameter (Inch): 3/16 to 7/8
- Drill Bit Finish/Coating: TiN
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 15104
- Finish/Coating: TiN
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 7/8
- Number of Hole Sizes: 12
- Minimum Hole Diameter (Inch): 3/16
- MaxDrilling Capacity (Inch): 7/8
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 3/16
- Shank Diameter (Inch): 3/8
- Brand: Irwin
- Enco Part Number: 302-1108
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$71.68 ea
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10231 Irwin General Purpose Bright HSS Step Drill Bits
- Hole Diameter (Inch): 1/8 to 1/2
- Drill Bit Finish/Coating: Bright
- Drill Bit Material: Cobalt
- Manufacturer Part Number: 10231
- Finish/Coating: Bright
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 1/2
- Drill Grade: General Purpose
- Number of Hole Sizes: 13
- Minimum Hole Diameter (Inch): 1/8
- MaxDrilling Capacity (Inch): 1/2
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 1/8
- Shank Diameter (Inch): 1/4
- Brand: Irwin
- Enco Part Number: 302-1101
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$24.22 ea
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10232 Irwin General Purpose Bright HSS Step Drill Bits
- Hole Diameter (Inch): 3/16 to 1/2
- Drill Bit Finish/Coating: Bright
- Drill Bit Material: Cobalt
- Manufacturer Part Number: 10232
- Finish/Coating: Bright
- Material: HSS
- Step Thickness (Inch): 3/8
- Maximum Hole Diameter (Inch): 1/2
- Drill Grade: General Purpose
- Number of Hole Sizes: 6
- Minimum Hole Diameter (Inch): 3/16
- MaxDrilling Capacity (Inch): 1/2
- Flute Length (Inch): 3/8
- MinDrilling Capacity (Inch): 3/16
- Shank Diameter (Inch): 1/4
- Brand: Irwin
- Enco Part Number: 302-1105
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$24.22 ea
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10233 Irwin General Purpose Bright HSS Step Drill Bits
- Hole Diameter (Inch): 1/4 to 3/4
- Drill Bit Finish/Coating: Bright
- Drill Bit Material: Cobalt
- Manufacturer Part Number: 10233
- Finish/Coating: Bright
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 3/4
- Drill Grade: General Purpose
- Number of Hole Sizes: 9
- Minimum Hole Diameter (Inch): 1/4
- MaxDrilling Capacity (Inch): 3/4
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 1/4
- Shank Diameter (Inch): 3/8
- Brand: Irwin
- Enco Part Number: 302-1103
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$44.07 ea
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10234 Irwin General Purpose Bright HSS Step Drill Bits
- Hole Diameter (Inch): 3/16 to 7/8
- Drill Bit Finish/Coating: Bright
- Drill Bit Material: Cobalt
- Manufacturer Part Number: 10234
- Finish/Coating: Bright
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 7/8
- Drill Grade: General Purpose
- Number of Hole Sizes: 12
- Minimum Hole Diameter (Inch): 3/16
- MaxDrilling Capacity (Inch): 7/8
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 3/16
- Shank Diameter (Inch): 3/8
- Brand: Irwin
- Enco Part Number: 302-1104
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$52.61 ea
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10235 Irwin General Purpose Bright HSS Step Drill Bits
- Hole Diameter (Inch): 1/4 to 1-3/8
- Drill Bit Finish/Coating: Bright
- Drill Bit Material: Cobalt
- Manufacturer Part Number: 10235
- Finish/Coating: Bright
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 1-3/8
- Drill Grade: General Purpose
- Number of Hole Sizes: 10
- Minimum Hole Diameter (Inch): 1/4
- MaxDrilling Capacity (Inch): 1-3/8
- Flute Length (Inch): 1/8
- MinDrilling Capacity (Inch): 1/4
- Shank Diameter (Inch): 1/2
- Brand: Irwin
- Enco Part Number: 325-6369
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$92.37 ea
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10502 Irwin Step Drill General Purpose HSS Drill Bit Sets
- Primary Application: Metalworking/Multipurpose Drill Bits
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10502
- Minimum Drill Bit Size (Inch): 1/8
- Fractional Size: Unibit1: 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, Unibit2: 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64, 1/2
- Material: HSS
- Number of Pieces: 3
- Type: Step Drill
- Size Range: Unibit1: 1/8 - 1/2 x 1/32, Unibit2: 3/16 - 1/2 x 1/64, Unibit3: 1/4 - 3/4 x 164
- Drill Grade: General Purpose
- Maximum Drill Bit Size (Inch): 3/4
- Brand: Irwin
- Enco Part Number: 302-1110
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$77.23 ea
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10310 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 1/2
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10310
- Material: HSS
- Number of Hole Sizes: 1
- Drill Grade: General Purpose
- Maximum Hole Diameter (Inch): 1/2
- MaxDrilling Capacity (Inch): 1/2
- Minimum Hole Diameter (Inch): 1/2
- Shank Diameter (Inch): 1/4
- Brand: Irwin
- Enco Part Number: 319-1435
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$21.77 ea
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10311 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 7/8
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10311
- Material: HSS
- Number of Hole Sizes: 1
- Drill Grade: General Purpose
- Maximum Hole Diameter (Inch): 7/8
- MaxDrilling Capacity (Inch): 7/8
- Minimum Hole Diameter (Inch): 7/8
- Shank Diameter (Inch): 3/8
- Brand: Irwin
- Enco Part Number: 319-1436
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$44.84 ea
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10312 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 3/8
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10312
- Material: HSS
- Number of Hole Sizes: 1
- Drill Grade: General Purpose
- Maximum Hole Diameter (Inch): 3/8
- MaxDrilling Capacity (Inch): 3/8
- Minimum Hole Diameter (Inch): 3/8
- Shank Diameter (Inch): 1/4
- Brand: Irwin
- Enco Part Number: 319-1437
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$17.17 ea
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10313 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 1-1/8
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10313
- Material: HSS
- Number of Hole Sizes: 1
- Drill Grade: General Purpose
- Maximum Hole Diameter (Inch): 1-1/8
- MaxDrilling Capacity (Inch): 1-1/8
- Minimum Hole Diameter (Inch): 1-1/8
- Shank Diameter (Inch): 1/2
- Brand: Irwin
- Enco Part Number: 319-1438
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$75.90 ea
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10314 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 1-7/32
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10314
- Material: HSS
- Number of Hole Sizes: 1
- Drill Grade: General Purpose
- Maximum Hole Diameter (Inch): 1-7/32
- MaxDrilling Capacity (Inch): 1-7/32
- Minimum Hole Diameter (Inch): 1-7/32
- Shank Diameter (Inch): 1/2
- Brand: Irwin
- Enco Part Number: 319-1439
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$68.48 ea
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10220 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 9/16 to 1
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10220
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 1
- Number of Hole Sizes: 8
- Drill Grade: General Purpose
- Minimum Hole Diameter (Inch): 9/16
- MaxDrilling Capacity (Inch): 1
- MinDrilling Capacity (Inch): 9/16
- Shank Diameter (Inch): 1/2
- Brand: Irwin
- Enco Part Number: 319-0690
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$47.28 ea
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10221 Irwin General Purpose HSS Step Drill Bits
- Hole Diameter (Inch): 13/16 to 1-3/8
- Point Type: Standard
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 10221
- Material: HSS
- Step Thickness (Inch): 1/8
- Maximum Hole Diameter (Inch): 1-3/8
- Number of Hole Sizes: 10
- Drill Grade: General Purpose
- Minimum Hole Diameter (Inch): 13/16
- MaxDrilling Capacity (Inch): 1-3/8
- MinDrilling Capacity (Inch): 13/16
- Shank Diameter (Inch): 1/2
- Brand: Irwin
- Enco Part Number: 319-0691
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$100.92 ea
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General Purpose TiN HSS Step Drill Bits (890-9621)
- General Purpose TiN HSS Step Drill Bits
- Enco Part Number: 890-9621
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$17.55 ea
$8.19 ea
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General Purpose TiN HSS Step Drill Bits (890-9622)
- General Purpose TiN HSS Step Drill Bits
- Enco Part Number: 890-9622
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$31.66 ea
$14.95 ea
In Stock
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15502 Irwin Step Drill General Purpose TiN HSS Drill Bit Sets
- Primary Application: Metalworking/Multipurpose Drill Bits
- Drill Bit Finish/Coating: TiN
- Drill Bit Material: High Speed Steel
- Manufacturer Part Number: 15502
- Finish/Coating: TiN
- Minimum Drill Bit Size (Inch): 1/8
- Fractional Size: Unibit1: 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, Unibit2: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, Unibit3: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4
- Material: HSS
- Number of Pieces: 3
- Type: Step Drill
- Size Range: Unibit1: 1/8 - 1/2 x 1/32, Unibit2: 3/16 - 1/2 x 1/16, Unibit3: 1/4 - 3/4 x 1/16
- Drill Grade: General Purpose
- Maximum Drill Bit Size (Inch): 3/4
- Brand: Irwin
- Enco Part Number: 890-9243
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$101.78 ea
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