Our high-quality DIN931 12.9 bolts are manufactured by Ningbo Zhongli Bolts Manufacturing Co., Ltd., a leading company in the fastener industry. The DIN931 standard specifies the characteristics of hexagon head bolts with a shank from M1.6 to M64 and a minimum ultimate tensile strength of 1,000 MPa. Our bolts meet this standard and are designed to provide superior performance in various applications, Made from high-strength steel, these bolts are heat-treated to achieve a hardness of HRC 33-39 and a tensile strength of 1,040 MPa. They are ideal for use in structural and mechanical engineering, as well as in heavy-duty machinery and equipment. The high-grade material and precise manufacturing processes ensure the durability and reliability of our bolts, making them suitable for demanding industrial environments, With a competitive price and timely delivery, Ningbo Zhongli Bolts Manufacturing Co., Ltd. is your trusted source for DIN931 12.9 bolts. Contact us today to place your order or learn more about our products and services
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