Our main product includes various outside hexagonal bolt, inside hexagonal bolt, flang bolts, cart bolt and coach bolt. Product intensity is divided into the following grades: 4.8, 6.8, 8.8, 10.9 and 12.9.
Our main product includes various outside hexagonal bolt, inside hexagonal bolt, flang bolts, cart bolt and coach bolt. Product intensity is divided into the following grades: 4.8, 6.8, 8.8, 10.9 and 12.9.
主导产品为各种外六角螺栓、内六角螺栓、法兰面螺栓、马车螺栓和方头螺栓。产品强度级别4.8、6.8、8.8、10.9和12.9级。