Home > Term: hand drilling
hand drilling
A historical method of drilling blastholes in rock by hammer and a hand-held steel or bit. Single-jack drilling was done by one miner. In double-jack drilling, one miner held the steel for one or two strikers with hammers.
- Part of Speech: noun
- Industry/Domain: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Creator
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
