SEMS Screws

A SEMS screw is a combination fastener in which a screw and washer are pre-assembled into one integrated unit. It is classified as a high-efficiency assembly-type screw product. As a professional global SEMS screws manufacturer and supplier, JLCMC provides a wide range of SEMS screw and washer assembly solutions, including double washer structural designs. These designs effectively prevent washer detachment, reduce manual operation steps, and significantly improve assembly efficiency and stability. They are especially suitable for mass production environments. With stable production capacity and a well-established supply chain system, our company supports continuous delivery of large-volume orders and provides customers with high-quality, reliable fastener solutions. Product materials include high-strength carbon steel and stainless steel, supporting metric standard specifications and relevant industry standards. Head types include hex head, pan head, socket head cap, and other variations. These products are widely used in machine assembly, electronic product fastening, and metal structure connections. The main industries served include electronics and electrical appliances, automotive components, telecommunications equipment, industrial equipment manufacturing, and automation machinery.