
Lingyufab is a professional China-based manufacturer specializing in high-quality hex flange bolts, serving global leaders in the home appliance and industrial automation sectors, including Mitsubishi Electric. We manufacture a wide range of standard fasteners strictly according to JIS, DIN, ISO, and ANSI standards, while also supporting custom non-standard requirements for specialized structural needs. Our production focuses on high-precision hex flange bolts from M4 to M12, available in both serrated and non-serrated versions to ensure optimal load distribution. As a direct factory, we leverage advanced cold heading and thread rolling technologies to ensure every bolt, whether a standard component or customized based on your technical drawings, delivers the reliability and performance required for high-end systems. Contact us today for a professional hex flange bolt manufacturer.
We utilize advanced multi-station cold heading and high-speed thread rolling equipment to produce a wide range of industrial hex flange bolts. Our core manufacturing expertise focuses on Bolts from M4 to M12, available in various configurations including JIS B 1180 compliant designs and specialized non-serrated flange types. Every product is fabricated to precisely match your technical drawings and performance requirements for structural integrity. To guarantee superior batch-to-batch consistency, we utilize high-speed optical sorting machines for 100% dimensional verification and in-house salt spray test chambers to verify the corrosion resistance of our Zinc Cr3 plus coatings. If you are looking for a reliable hex flange bolt manufacturer for your next project, please contact us today.


We source and process materials strictly according to your engineering requirements and BOM to ensure optimal mechanical performance for every fastener. Our manufacturing range primarily covers high-quality Carbon Steel and Stainless Steel such as SS304 and SS316, available in various strength classes to meet specific load-bearing needs in home appliances and automation equipment. All hex flange bolts undergo precise surface treatments, including Zinc Cr3 plus plating, which is verified by our in-house salt spray testing to meet the specific JIS corrosion resistance standards. Every batch is finalized through 100% optical sorting to ensure total compliance with the dimensional standards required for your final assembly and automated production lines.
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