Home > Term: ratchet drill
ratchet drill
A hand drill in which the drill holder is revolved intermittently by a lever through a ratchet wheel and pawl. A drill used for boring slate.
- Szófaj: noun
- Ipar/Tárgykör: Mining
- Kategória: General mining; Mineral mining
- Government Agency: USBM
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Szerzőb
- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
