Top Jumbo Drills used in Underground Mining
2021-3-13 · (Joy) DR-2SB. The design of this jumbo drill is in such a way that it can drill horizontally and vertically. It can also drill angled holes into the ground, making it popular for different kinds of mining. The drill has coverage of 29.2 feet by 23.3 feet, and its outer turning radius is 12.0 feet and 21.0 feet.