FRP Rock Bolt

The FRP rock bolt is made of fiberglass as reinforced material and polyester resin by pultrusion process. Specifications: 1, Material: Fiber glass reinforced plastic 2, Left and right hand thread bar available 3, bolt, nut, plate, coupling sleeve 4, competitive price Features: 1, All thread FRP bolt 2, Safety, no sparks out of direct cutting 3, Light weight, only 1/4 weight of the steel ones of the same specification 4, High tensile strength, each part has the same tensile