Outrigger-style bolt rig MQTB880 leg bolt the rig leg Roofbolter manufacturers inexpensive, high quality sold in coal to achieve the necessary requirements, can do better. There is no best, only better. Select rig, Shandong coal. Professional manufacturers, quality assurance, more assurance. Select rig, like watching a movie, if choose their own favorite. Outrigger MQTB80 Roofbolter is your final choice, it is widely used in the rock hardness ≤ F8 the roadway, especially adapted to roadway Bolting operations, both drilling roof bolt holes can be drilled anchor holes, but also mixing and installation type resin bolt, cable, no other device can be realized bolt nut installed Tighten the the early bolt preload requirements. Roofbolter in some places, also known as anchoring rigs, drilling tools in the coal mine rock bolting work. It is characterized by small size, light weight, simple operation, easy maintenance. Gear motor, stable operation and high reliability. The new air-leg fiberglass design, safety explosion-proof, longer life.