Stainless steel pan head screws are the combination of a flat washer and a spring washer (you can only put a single flat washer or a spring washer) put away before Roll Yantai stainless steel screws, so it does not fall off after forming Weifang stainless steel screws during installation In addition when the assembly level without pads or shells pad. combination of screws to use and convenient. Jinan Daoqin companies often stocked with stainless steel screws are made of a combination of SUS304 and SUS316 are not two kinds of material. Stainless steel screws are generally designed as a combination of semi-circular cross-shaped or hexagonal head screw. Standard: GB / 9074.2 GB / T9074.3 GB / T9074.4 GB / T9074.5 Jinan Road ground between the stainless steel ring nylon nylon lock nuts and bolts are fitted around the nylon washer in the nut side, the use of friction during installation locking locking force and play a role. There are two kinds of material SUS304 and SUS316. Stainless steel locking nylon locking nut production is the first cold-forming metal parts of the pier, leaving a nylon washer into the entrance, placed in a nylon washer after stamping from above. Stainless steel nylon lock nut standard stock sales. Weifang stainless steel screws | Jinan Road ground (certified) | stainless steel screws provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) Shandong Jinan, hardware accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Road ground in leadership with the staff warmly welcome all inquiries negotiations to create Jinan Daoqin a better future.