M-119
Sink&Step Drills for Screw Thread-180 degrees
Q'ty :
Please select which you want to ask the following product specifications：
| Size: |
| ‧ | Specially designed drills that are suitable for drilling sink holes for general screws and scoket head cap screw. |
| ‧ | Allow for two machining processes accomplished by one process, and provide superior concentricity. |
