"Stainless steel fasteners" is a special term concept which includes a wide range of products. Stainless steel fasteners are usually used to fasten more valuable machine parts because of their beautiful, durable and strong corrosion resistance. With the progress of society, higher requirements have been put forward for stainless steel standard parts. Stainless steel fasteners also refer to stainless steel screw, which is the national standard screw. Specification, size and tolerance range are all national standards.