Home > Term: countersink
countersink
In a twist drill, the tapered and relieved cutting portion situated between the pilot drill and the body.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Looja
- ed.young
- 100% positive feedback
(Milwaukee, United States)