| Warranty | no |
| Customized support | OEM |
| Place of Origin | Jiangsu, China |
| Model Number | DM4-H004 |
| Type | Twist Drill Bit |
| Use | Metal Drilling |
| PlainPoint angle | 135 degree |
| Material | M2,M35,M42 |
| Hardness | HRC 63 - 66 |
| Usage | Drilling metal/stainless steel |