Irwin® Unibit® 10225 Self-Starting Step Drill Set, Imperial, #21 Min Drill Bit, 4 Pieces, HSS, Uncoated
The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate skidding and the need for center punching. Set includes #1, 2, 4, and 21 size step drills.
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BrandIrwin®
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UPC038548102252
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Manufacturer Part Number10225
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CountryUSA|Canada
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FinishUncoated
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MaterialHSS
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Maximum Drill Bit Size#1
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Minimum Drill Bit Size#21
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ColorBlack
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Number of Pieces4
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Dimensions3-1/2 in L
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Specifications3-Flat 7/16 in Hex Shank, Standard Point, 3-1/2 in L
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System of MeasurementImperial
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TypeSelf-Starting
- Three flatted shank prevents slipping in drill chuck
- Non-skid self-starting tip eliminates skidding and the need for center punching
- Single flute cutting edge for greater control through steps
| Competitor Name | Competitor Part Number |
|---|---|
| Grainger | 3YDW5 |
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UNSPSC27112845
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Package DescriptionEACH
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Catalog
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Irwin® Unibit® 10225 Self-Starting Step Drill Set, Imperial, #21 Min Drill Bit, 4 Pieces, HSS, Uncoated
The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate skidding and the need for center punching. Set includes #1, 2, 4, and 21 size step drills.
