Stainless steel flat head screw, 21 years screw supplier
Stainless steel flat head screw, 21 years screw supplier Shenzhen Shi Shi Tong Metal Products Co., Ltd. specializes in the production of s tainless steel flat head screw , long screw, small screw, titanium screw, shoulder screw, special screw, etc. Shi Shi Tong can customize the production of hexagonal flat head screws according to customer needs. The China’s standard of s tainless steel flat head screw is GB / T 70.3, the German standard is DIN 7991, and the international standard is ISO 10642. Usually the standard inner hexagonal flat head screw is 90°. In addition to the standard stainless steel inner hexagonal flat head screw, it can also be customized to produce 80°or 120°or other degree flat head screws. Shi Shi Tong specializes in the production of s tainless steel flat head screw , rich in production experience, advanced instruments and equipment, good service, reasonable price. Stainless steel hexagonal flat head screws manufacturer direct...