Fiberglass reinforced plastic bolt is a kind of composite material which is made of glass fiber reinforced plastics. It is widely used in chemical industry, transportation and electric industry because of its good insulating property and corrosion resistance, such as subway tunnel, rock surface anchoring, dam, coal mine tunnel, foundation of construction etc. The main models of fiberglass bolt our factory produced are Φ12, Φ14, Φ16, Φ18, Φ20, Φ22.