Customized Factory Manufacture HDG Square Washer

Since establishment, our company has been focusing on the field of locking wheel nuts ISO9001:2008, plain washer TS16949, asme threaded rod, with strong R&D capabilities and rich strategic experience. We are committed to strengthening the construction of corporate culture and enhancing our core competitiveness. We always take your needs as our highest purpose, always remind ourselves that it is our greatest honor to satisfy every customer. All stuff sincerely welcome guests come to visit our factory.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading square washer manufacturers and suppliers in China, welcome to buy square washers, square lock washer, square plain washer, asme f436 square washer from our factory and company.

ASTM F436 standard Spring washer  covers the dimensional requirments of inch series Spring WASHER.The standard of ASTM F436 standard Spring washer  is ASTM F436   ,  

the Spring washer is widely used, mainly goes with bolt and screw.ASTM F436 is with high hardness mostly made from #45 steel and other alloy steel.   

After years of continuous innovation and development, we have grown into a Customized Factory Manufacture HDG Square Washer supplier integrating design, research and development, production and sales. Our technologies, products, designs and services are dedicated to understanding and satisfying the needs of users, even exceeding their expectations. Look forward to long-term cooperation and mutual benefits!