For example: Inflates the screw, key, double head the spiral, inside and outside hexagon bolt, the horse-drawn vehicle screw, the hexagonal nut, locks the nut, flange surface nut, thin nut and so on.

• 如：膨胀螺丝、平键、双头螺、内外六角螺栓、马车螺丝、档圈,销,键,非标准件,六角螺栓,,等六角螺母、锁紧螺母、法兰面螺母、薄型螺母等等。