... Fastener. Products:Our products including Wheel Bolt & Nut, Truck Bolt & Nut, Hub Bolt & Nut, Plow Bolt & Nut, Track Pin & Bushing, King Pin Kits, covering Hino ... Class, Hardness: HRC26-36, fully hardened and tempered to match bolt strengthWe also produce 12.9 class high tensile fasteners by ... :http://www.carelong.com.cn. Factory High tensile Fasteners Front bolt & Nut for FE111 RH