Professional Machine Screw Manufacturer

Lingyufab is a professional China-based manufacturer specializing in high-quality industrial machine screws, 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 mechanical assemblies. Our production focuses on high-precision machine screws from M3 to M6, available in various head styles and drive types to ensure exceptional thread accuracy and performance. As a direct factory, we leverage advanced cold heading and thread rolling technologies to ensure every screw, whether a standard component or customized based on your technical drawings, delivers the reliability required for high-end systems. Contact us today for a professional machine screw manufacturer.

Machine Screws for Your Project

We utilize advanced multi-station cold heading and high-speed thread rolling equipment to produce a wide range of industrial machine screws. Our core manufacturing expertise focuses on Screws from M3 to M6, available in multiple head styles including pan head, flat head, and truss head, combined with various drive systems to match your technical drawings. Every product is fabricated to ensure 100% compatibility with nuts or pre-tapped holes in structural assemblies. 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 and specialized protective coatings. If you are looking for a reliable machine screw manufacturer for your next project, please contact us today.

Material Selection for Machine Screws

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, selected for their durability and structural integrity in industrial automation and home appliance equipment. All machine screws 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 high-speed automated production lines.