 |
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| drill bit | |||
| boring bit; core bit; core cutter head | |||
| blank bit; core drill | |||
| bit; boring head; drill crown; steel bit | |||
| jackbit | |||
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| drilling bits parts of machines | |||
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| crown | |||
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| drill bits | |||
| Bohrkrone: 52 phrases in 5 subjects |
| Construction | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Mechanic engineering | 4 |
| Mining | 45 |