Long Xin crusher manufacturers screw connections are loyal forging, heat hit made material into soft materials, hard materials, different equipment, different positions, different requirements bolt material. 1. crusher compact bolt material is relatively soft, bolts behind this quartet is forging build out, increasing the size of the Quartet, the Quartet size is 35 GB square, we manufacturers are 45 square, the pressure inside the iron bolt does not rotate, reduce the number of customer service, increase production, to bring benefits to customers. 2. The guard also called bucket bolt bolt, followed by four tapered, to snapping guard trough sink to the inside, this bolt wear and strong performance. 3. The lifting block bolt is four bolts, are increasing the Quartet size, thickness. 4. screw into the bucket type ball mill liners, oval, round three of the most commonly used models bolt, specific parameters, please contact customer service. 5. crusher spring drawing is a single head, one is Sikou, a ring is welded up, either directly rolled into the ring.