Jan 07, 2013
Mining rock bolt,tunneling bolt,
1. Size 16,18,20,22mm
2. Ultimate load 100kN, Yield load 69kN
3. with plate, nut
rock boltmining rock bolts,Mining rock bolt,tunneling bolt, mining underground rock boltanchor rodSplit Sets Rock Bolt : 1.Material: steel 2.Fuction : used as rock...