Irwin® UNIBIT® 10310 Self-Starting Step Drill Bit, 1/2 in Dia Min Hole, 1/2 in Dia Max Hole, 1 Step, High Speed Steel, 10 Hole Sizes, 1/4 in Shank
Irwin® Unibit® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel Unibit® step drill bits are perfect for use in mild steel, copper, brass, aluminum, plexiglass, wood, and laminate. Our titanium nitride coated (TiN) bits resist heat and friction, which extends the life of the cutting edge six times longer than standard step drills. And, our cobalt step drill bits are engineered with m35 cobalt steel for maximum life when drilling in the toughest steel, including stainless steel. Most Unibit® step drills are designed with a SpeedPoint® tip that guarantees fast starts. Theyre manufactured with a single flute cutting edge that drills multiple sizes of true, round holes with precise step control. Plus, the hole sizes are permanently laser etched on the inside of the flute, so they can be easily identified throughout the life of the bit.
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BrandIrwin®
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UPC385481031058
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Manufacturer Part Number10310
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CountryUSA
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FinishBright
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Point TypeSpeedPoint®
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MaterialHigh Speed Steel
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Maximum Hole Diameter1/2 in
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Minimum Hole Diameter1/2 in
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TypeSelf-Starting
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Applicable MaterialsAluminum/Brass/Copper/Laminates/Plastic/Stainless Steel
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Number of Flutes1
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Shank Size1/4 in
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Cutting Edge MaterialHSS
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Shank TypeHex
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Number of Hole Sizes10
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Number of Steps1
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Drill Diameter Measurement SystemImperial
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Letter/Wire Size#10
- Single flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- New SpeedPoint® tip penetrates faster than previous Unibits and prevents walking
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
- Geometry of single flute cutting edge drills true, round holes and provides maximum step control
- Laser etched sizes inside flute for easy and permanent hole size identification
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
| Competitor Name | Competitor Part Number |
|---|---|
| Berkshire eSupply | KX5010 |
| Berkshire eSupply | KX5010 |
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UNSPSC23241640
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Package DescriptionEACH
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Catalog
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Irwin® UNIBIT® 10310 Self-Starting Step Drill Bit, 1/2 in Dia Min Hole, 1/2 in Dia Max Hole, 1 Step, High Speed Steel, 10 Hole Sizes, 1/4 in Shank
Irwin® Unibit® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel Unibit® step drill bits are perfect for use in mild steel, copper, brass, aluminum, plexiglass, wood, and laminate. Our titanium nitride coated (TiN) bits resist heat and friction, which extends the life of the cutting edge six times longer than standard step drills. And, our cobalt step drill bits are engineered with m35 cobalt steel for maximum life when drilling in the toughest steel, including stainless steel. Most Unibit® step drills are designed with a SpeedPoint® tip that guarantees fast starts. Theyre manufactured with a single flute cutting edge that drills multiple sizes of true, round holes with precise step control. Plus, the hole sizes are permanently laser etched on the inside of the flute, so they can be easily identified throughout the life of the bit.

