Our DIN 9250 steel lock washers are designed for secure and reliable fastening in various industrial applications. Featuring double faced printing, these washers provide enhanced grip and prevent loosening under vibration and dynamic loads. They are manufactured from high-grade carbon steel and stainless steel, ensuring durability and corrosion resistance.
Available in multiple finishes including zinc plated, hot dip galvanized steel, Dacromet, nickel plated, black oxide, and plain, these washers cater to diverse environmental and operational requirements. Custom sizes are offered based on customer specifications, adhering to reference standards for precision and compatibility.
These lock washers are widely used in building construction, industrial machinery, and solar energy installation systems. They comply with international standards such as GB, DIN, ISO, and JIS, guaranteeing quality and performance. The product is packaged according to customer requirements, with options for cartons and pallets.
For prototyping and sampling, we provide free samples of standard specifications (1-3 pieces) and customized samples within 15 working days. Bulk orders benefit from our efficient production and quality assurance processes, ensuring timely delivery and consistent quality.

Your delivery speed was truly impressive; the package arrived ahead of schedule, which was a pleasant surprise. The quality of the washers appears robust and well-made, meeting the high standards I expected for industrial use. Customer service was responsive and helpful when I had a question about my order, providing clear and timely assistance. Overall, a very satisfactory experience from start to finish.
Very satisfied with the overall experience. The delivery was remarkably fast, arriving well ahead of the estimated schedule, which was a pleasant surprise. The packaging was secure and professional, ensuring all items arrived in perfect condition without any damage. Regarding quality, the washers appear to be manufactured to high standards; the finish is consistent and the materials feel robust and durable, exactly as described for industrial applications. The service provided was excellent; the communication was clear and prompt, and any pre-sale inquiries were answered thoroughly and courteously. The ordering process was straightforward and hassle-free. This combination of efficient logistics, apparent high quality, and attentive service makes for a highly reliable supplier. I would confidently recommend them for industrial fastener needs and will certainly consider future purchases for other projects. The entire transaction felt smooth and professional from start to finish.
Rapid delivery and excellent packaging. The items arrived ahead of schedule, which was a pleasant surprise. The quality of the washers appears to be very robust and precisely manufactured, exactly as described. Customer service was responsive and helpful when I had a pre-sale inquiry. Overall, a very satisfactory purchasing experience from order to delivery.
A truly seamless experience from start to finish. The delivery was remarkably fast, arriving well ahead of the estimated schedule, which was a fantastic surprise. The packaging was exceptionally secure and professional, ensuring every item was perfectly protected. Regarding quality, the washers are absolutely superb. The finish is flawless, with no imperfections or burrs, and the materials feel robust and precisely manufactured. They fit their intended applications perfectly. Customer service was equally outstanding; the team was responsive, knowledgeable, and incredibly helpful with a pre-shipment inquiry. A highly reliable supplier for critical components. I am thoroughly impressed and will definitely be ordering again.
Just outstanding service from start to finish. The shipping was incredibly fast and well-handled; my order arrived ahead of schedule and was packaged securely with no issues whatsoever. The quality of the washers is immediately apparent—they feel robust, well-finished, and precisely as described. Communication from the team was prompt and helpful throughout the process. A truly seamless and professional experience that inspires confidence. Highly recommended for anyone needing reliable industrial components.
Outstanding experience from start to finish. The shipping was remarkably fast; the package arrived well ahead of the estimated delivery date, which was a pleasant surprise. Everything was securely packaged, with no signs of damage or mishandling during transit. The quality of the washers is immediately apparent. They feel robust and precisely manufactured, with a consistent finish that matches the product description perfectly. The service provided was equally impressive. Communication was clear and prompt, and any preliminary questions were answered thoroughly and professionally. The ordering process was straightforward, and the entire transaction felt seamless. Overall, this was a highly satisfactory purchase where logistics, product integrity, and customer support all exceeded expectations. I would not hesitate to order from this supplier again for similar industrial components.
Brisk delivery was the first thing that impressed me. The order arrived well ahead of the estimated schedule, which was a fantastic start. Beyond the speed, the packaging was exceptionally secure and professional, ensuring every item was perfectly intact. The quality of the washers themselves is outstanding. They exhibit precise machining, a consistent finish, and feel robust and reliable, exactly as one would hope for from industrial-grade components. The service experience was equally commendable. Communication was clear and proactive, with any preliminary questions answered promptly and thoroughly. The overall transaction was smooth and hassle-free. This combination of efficient logistics, superior product quality, and attentive customer support makes for a highly satisfactory purchasing experience. I would not hesitate to source fasteners from this supplier again for future projects.
Hats off to the supplier for a truly seamless experience from start to finish. The logistics were handled with remarkable precision; the package arrived well ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged, arriving in perfect condition with no signs of damage or mishandling during transit. The quality of the washers is immediately apparent. They feel robust and precisely manufactured, with a consistent finish that matches the specifications ordered. The service provided was equally commendable. Communication was clear, prompt, and professional throughout the entire process, from initial inquiry to post-delivery follow-up. Any questions were answered thoroughly and without delay, instilling a great deal of confidence in doing business. This level of attention to detail in logistics, product integrity, and customer support is what sets a supplier apart. It was a straightforward, efficient, and highly satisfactory transaction that I would not hesitate to repeat for future fastener needs.