mining rock split set friction bolts

Brand Name:Minetech

Model Number:42mm Underground Friction Bolt

Place of Origin:China

... mining and tunnel construction.The bolt consists of a high strength steel bolt with a ''U'' shape cross section and a longitudinal groove. To install a Split Set bolt, a hole is made in the rock with a diameter slightly smaller than

Brand Name:SANROCK

Model Number:SRUB2S

Place of Origin:Zhejiang, China

...Rock Bolting Drilling Rig Hydraulic Underground Tunneling Drilling Rig Equipment SRUB2S rock bolting rig with long boom design is developed for using in various drift sizes from small to medium. It can install most common rock nolts like split set or resin bolts from 1.5m to 2.5m length. The suitable cross-sections(w*h) is from minimum 3m*2.8m to maximum 5.6*5.1m . Versatile bolting head SRUB2S bolting head can be customized for using split

Brand Name:XIANGTONGHUIYUAN

Model Number:Hollow Anchor Bar

Place of Origin:China

... supports can be divided into the class set of anchor bolts and bolt full-length classes. Only a part of the contact between the anchor device and the finger rod and the hole wall of the anchor bolt. Incline fixation, anchor point and local anchorage,