IRWIN Tools Self-Starting Step Drill Bit, 13 Hole, 1/8" to 1/2" by 1/32"
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.
Self-Starting Step Drill Bit, 13 Hole, 1/8" to 1/2" by 1/32"
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. 
Product #: IRW10231
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Hand Tools & Power Tool Accessories for Trade Professionals. Manufacturers of Vise-Grip locking pliers, Speedbor Drill Bits, Strait-line chalk reels and more. No customer reviews for the moment.
Product Description
The Irwin Self-Starting Step Drill Bit, 13 Hole, 1/8" to 1/2" by 1/32".
- Single-flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- Also available with (TiN) coating for longer life
- 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
| Item # | Description | Hole Sizes | Number of Holes | Maximum Material Thickness | |||||
|---|---|---|---|---|---|---|---|---|---|
| 10231 | #1 | 1/8" - 1/2" | 13 steps | 1/8" | |||||
| 10232 | #2 | 3/16" - 1/2" | 6 steps | 3/8" | |||||
| 10233 | #3 | 1/4" - 3/4" | 9 steps | 1/8" | |||||
| 10234 | #4 | 3/16" - 7/8" | 12 steps | 1/8" | |||||
| 10235 | #5 | 1/4" - 1-3/8" | 10 steps | 1/8" | |||||
| 10239 | #9 | 7/8" and 1-1/8" | 2 steps | 1/8" | |||||
| 10310 | #10 | 1/2" | N/A | N/A | |||||
| 10311 | #11 | 7/8" | N/A | N/A | |||||
| 10312 | #12 | 3/8" | N/A | N/A | |||||
| 10313 | #13 | 1-1/8" | N/A | N/A | |||||
| 10314 | #14 | 1-7/32" | N/A | N/A |
Approximate Item/Package Dimensions in inches
- Width: 2.875
- Height: 0.75
- Depth: 6
Approximate Item/Package Weight in pounds
- Weight: 0.14
- Drill Bits: A metal rod of varying length and diameter that is used to drill holes in various materials and is designed to help draw the cut material out of the hole.
- Step Drill Bits: Drill bits built for drilling in thin metals but will work in wood. The stepped pattern allows you to drill different sized holes using the same bit.
Product Specifications
| Vendor Part #: | 10231 |
- Article | IP Ratings Learn more about what an IP rating is and how this rating system is used.
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