Feature:
- Forged from high-quality titanium coated high-speed steel
- Suitable for drilling thinner stainless steel, carbon steel, aluminum, iron, and other materials
- The step drill bit sets have a clear scale mark
- Universal round shank
- Step drill bits can drill different kinds of diameter holes, which greatly saves you a lot of trouble

| Product Description | |||||
| More Choice For You: Home > HSS Drill Bit > Step Drill Bit | |||||
| Product Name | HSS 4241 Round Shank Unibit Double Spiral Flute Step Tapered Drill Bit Set for Metal Drilling | ||||
| Size | 4-12mm, 4-20mm, 4-32mm | ||||
| Material | HSS 4241 | ||||
| Flute Type | Spiral Flute | ||||
| Flute Number | Double Flute | ||||
| Shank | Round Shank | ||||
| Package | 3Pcs in Metal box | ||||




