Ningbo Zhongli Bolts Manufacturing Co., Ltd. specializes in producing high-quality bolts, including DIN933, DIN931, DIN960, and DIN961 standards. Our bolts are designed to meet the specific requirements of various industries, ensuring reliable and efficient performance, The DIN933 standard hex bolts are fully threaded and commonly used in construction and machinery assembly. The DIN931 standard hex bolts have a partial thread and are suitable for applications where a heavy-duty fastening solution is required. Meanwhile, the DIN960 and DIN961 standards cover high-strength fine pitch threaded bolts and studs, providing excellent resistance to vibration and slippage, Our bolts are manufactured using top-grade materials and advanced production techniques to guarantee superior strength, durability, and corrosion resistance. We also offer customization options to meet individual specifications and requirements, At Ningbo Zhongli Bolts Manufacturing Co., Ltd., we are committed to delivering reliable and cost-effective bolt solutions to our customers. Contact us for more information on our comprehensive range of bolts and fasteners
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