Coated spiral design provides longer life and better chip removal
Split point tip of the drill bit increases speed
Laser engraved numbers increases step visiblity
Tri-flats shank
Optimized for impact driver usage
| Product Name | HSS Step Drill Bit | Shank | round / Tri-flats shank / hex shank |
| Tip | split point | Usage | Metal |
| Size Unit | Metric / English system | Brand | GOLDMOON / customization |
| Material | HSS (4241/4341/6542(M2)/M35) | Surface Finish | black finish / black and white / white finish / Tin-coated |
| Size | 4-32mm*0.2mm | Package | plastic tube / customization |
