Flat Washer/Square Washer/Spring Washer/Lock Washer DIN, ANSI, JIS, Bsw

Our company insists on continuous reform and innovation in product development, business management and service in order to pursue new breakthroughs. We always put the interests and needs of customers in the first place, carefully and attentively to provide our users with rivet nuts, Anchor Bolt CE, wing nuts CE of superior cost performance. We believe that quality is related to two lives, one is the life of the consumer, the other is the life of the enterprise. Over the years, we have always put the word 'responsibility' throughout all aspects of the production and operation of the company, we sincerely look forward to cooperating with colleagues and users at home and abroad as always to create a better tomorrow.

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.   

Our current good reputation is based on the reliability of our Flat Washer/Square Washer/Spring Washer/Lock Washer DIN, ANSI, JIS, Bsw and harmonious and stable customer relationships. We take quality first and premium service as our tenet to fully meet the needs of users with better product quality, first-class service and the most reasonable price. Since the establishment of the company, we have been adhering to the core values of integrity and innovation.