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. The manufacturers supply products different models. Prices are also different. Please call or message advice specific price QQ:.. 471400700 13526739618 purchase of all machine and accessories, freight charges in the shop is near and far be calculated based on local customers where the company's products generally with green freight logistics company, to ensure customers. You can accurately receive the goods fast and secure!