Handan Zhongpin Fastener Manufacturing Co., Ltd. is a leading manufacturer and supplier of quality fasteners in China. Our company is proud to introduce our product line, which complies with the international standard ISO4162. ISO4162 specifies the characteristics of hexagon bolts with flange, small series, fine pitch thread, in product grade A for threads sizes M5 to M16 and product grade B for threads sizes M5 to M12. Our fasteners are designed to provide excellent performance and durability for a wide range of industrial applications. With a commitment to quality and precision, our manufacturing process ensures that each fastener meets the strict standards of ISO4162. Our products are widely used in construction, automotive, machinery, and other industries around the world. At Handan Zhongpin Fastener Manufacturing Co., Ltd., we strive to provide reliable and cost-effective solutions for all your fastening needs. Contact us today to learn more about our ISO4162 compliant products and how we can fulfill your fastener requirements.