FRP Rock Bolt

FRP rock bolt is a kind of bolt applied to coal mine roadway protection and underground engineering support such as mines and railways, tunnel and highways support to ensure the stability of surrounding rock in mine roadway and underground engineering.

FRP bolt consists of a glass fiber reinforced plastic rod, a tray and a nut. The glass fiber reinforced plastic rod body is formed by high-temperature glass fiber and resin curing agent. The full length of the rod body is threaded. The thread direction is right-handed, and the thread pitch is generally 10mm round head thread. The bolt diameter is from 16mm to 27mm, and the length is from 1400mm to 2600mm.