🔧 Drill Smart, Not Hard!
The Irwin Tools IRWIN Step Drill Bit (10231) is a high-performance tool designed for efficiency and precision. With a range of 1/8-inch to 1/2-inch, this step drill bit features a patented single-flute cutting edge for true round holes, a SpeedPoint tip for faster penetration, and a slip-free 3-flatted hex shank. Perfect for various thin materials, it’s a must-have for any professional toolkit.
| Material | High Speed Steel |
| Finish Type | Black Oxide |
| Shank Type | Round |
| Cutting Angle String | 118 Degrees |
| Brand | IRWIN |
| Tool Flute Type | Spiral |
| Minimum Bore Diameter | 13.6 Millimeters |
| Point Style | Step Point |
| Surface Recommendation | Aluminum,Brass,Copper,Metal,Plastic,Stainless Steel,Steel |
| Number of Flutes | 2 |
| UPC | 787721839125 780541552908 038548101019 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00038548101019 |
| Manufacturer | IRWIN |
| Number of Pieces | 1 |
| Part Number | 10231 |
| Item Weight | 1.59 ounces |
| Country of Origin | USA |
| Item model number | 10231 |
| Is Discontinued By Manufacturer | No |
| Size | 1/2 inches |
| Color | Silver|silver Metallic |
| Finish | Black Oxide |
| Shape | Shape |
| 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 |
| Assembled Diameter | 3 Inches |
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