Various models
Customized
API
Jobber-length
Twist Drill Bit
Carbon Steel
Metal Drilling
174mm
Flat Face
2
6
3.2kg
DHD DRILL
Wooden Case
76mm-90mm
China
8207199000
Product Description






| Model | Spline | Tail length | Hole range |
| SW370 | 10 | 525 | 450-600MM |
| SW410 | 12 | 528 | 500-800MM |
| SW530 | 12 | 560 | 600-1000MM |
| N240 | 12 | 564 | 600MM-1000MM |
| SW640 | 16 | 477 | 700-1200MM |
| 640N | 16 | 600 | 700-1200MM |
| SW800S | 18 | 650 | 900-1250MM |


















