

⚡ Drill Smarter, Not Harder — The Only Bit You’ll Ever Need!
The IRWIN 10231 Step Drill Bit features a patented single-flute cutting edge and a SpeedPoint tip for faster, more precise drilling across 13 incremental sizes from 1/8" to 1/2". Its 3-flatted hex shank guarantees a secure grip, making it perfect for professionals tackling thin materials like stainless steel, aluminum, and plastics. Designed to save time and enhance control, this high-speed steel bit is a must-have for any modern toolkit.


| Manufacturer | IRWIN |
| Part number | 10231 |
| Item Weight | 40.8 g |
| Item model number | 10231 |
| Size | 1/2 inches |
| Colour | Silver|silver Metallic |
| Finish | Black Oxide |
| Material | High Speed Steel (HSS) |
| Pattern | Solid |
| Shape | Shape |
| Item thickness | 3 Inches |
| Power source type | Hand_powered |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Cutting Diameter | 3 Inches |
| Tool tip description | 118 Degree |
| Measurement System | Inch |
| Included components | STEP DRILL #1 1/8-1/2" 13 SZ |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 3 Inches |
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