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 Zaozhuang stainless steel fine screw, so that it does not fall off after forming, at the time of installation In addition 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 stainless steel nuts corners mostly used in tank or a quadrangular hole environments, usually in the corners when installing stainless steel nuts not use another wrench Common specifications fixing nut corners spot sales and other commonly used standards DIN557 DIN562 stainless Dongying fine screw |... Jinan Road ground (certified) | stainless steel fine screw 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. You can also access (www.daoqinshangmao.com/supply_details_49118715.html), for more information about the company.