Irwin Tools
Irwin Tools - 10312ZR Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312) Black
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IRWIN Step Drill Bit, 1/8-Inch to 1/2-Inch Step, 1/4-Inch Shank (10231) Silver|Silver metallic
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- Finish Type
- Black Oxide
- Shank Type
- Round
- Brand
- Irwin Tools
- Tool Flute Type
- Spiral
Key features
- STEP DRILL #1 1/8-1/2" 13 SZ
- STEP DRILL #1 1/8-1/2" 13 SZ
- STEP DRILL #1 1/8-1/2" 13 SZ
- STEP DRILL #1 1/8-1/2" 13 SZ
- STEP DRILL #1 1/8-1/2" 13 SZ
- Save time because you don't need to change drills for different-sized round holes in thin materials. Each drill acts as a pilot for the next size.
- Patented single-flute cutting edge gives greater control through steps and a true round hole every time.
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.
- SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck.
- Drill diameters etched in flute for easy identification.
Specifications
| Material | High Speed Steel |
|---|---|
| Finish Type | Black Oxide |
| Shank Type | Round |
| Brand | Irwin Tools |
| Tool Flute Type | Spiral |
| Surface Recommendation | Aluminum,Brass,Copper,Metal,Plastic,Stainless Steel,Steel |
| Number of Flutes | 2 |
| Manufacturer | IRWIN |
| Part Number | 10231 |
| Item Weight | 1.59 ounces |
| Country of Origin | China |
| Item model number | 10231 |
| Size | 1/2 inches |
| Color | Silver|silver Metallic |
| Finish | Black Oxide |
| Thickness | 3 Inches |
| Item Package Quantity | 1 |
| Cutting Diameter | 3 Inches |
| Measurement System | Inch |
| Included Components | STEP DRILL #1 1/8-1/2" 13 SZ |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Limited lifetime |
| Assembled Diameter | 3 Inches |
| Item Dimensions LxWxH | 3.1 x 0.8 x 6.1 inches |
| ASIN | B00004THYX |
About this product
Product Description Irwin 10231 Unibit #1 13-Step 1/4-Inch Step Drill Bit, 1/32-inch Steps (1/8- to 1/2- inches) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for the next size. Patented single-flute cutting edge gives greater control through steps and a true round hole every time. Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. SpeedPoint tip penetrates faster than previous Unibits and prevents walking. 3-faltted hex shank prevents slipping in drill chuck. Drill diameters etched in flute for easy identification. From the Manufacturer UNIBIT 1 13 Hole Sizes (1/8"-1/2"), 1/32" Increments
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