- High-speed steel, heavy-duty, black and bronze oxide, 135 deg split point
- For quick penetration and reduced walking Premium grade M-7 industrial steel for longer life and heat resistance
- Jobber length
| Type | Drill Bit |
| Style | Thunderbit® |
| Size | M4 |
| Material | M-7 High Speed Steel |
| Length | 3-1/4" |
| Drill Style | Metric |
| Flute Length | 2-1/8" |
| Shank Size | M4 |
| Point Type | 135° Split Point |
| Finish | Black and Bronze Oxide |
| Application | For use in Iron, Steel, Stainless Steel and Wood. |
| Cutting Direction | Right Handed |
