Type 302 for using screws and self-tapping screw machining. 303 In order to improve cutting performance, type 303 stainless steel by adding a small amount of sulfur, for the use of bar machining nut. 304 is suitable for hot upsetting when processing stainless steel screws, bolts Yantai specifications such as long stainless steel fasteners, bolts Liaocheng large diameter stainless steel fasteners, they are likely to go beyond the scope of the cold heading process. 305 is suitable for cold heading process when machining stainless steel screws, such as cold forming nut, hex bolts. 309 and 310, and their Cr content and Ni content than the 18-8 stainless steel high, suitable for working at high temperature stainless steel screws. Stainless steel screws corrosion rust does not necessarily rust corrosion, stainless steel screws with respect to just say screw it to carry iron rust corrosion strong point capability. But stainless steel screws in certain circumstances still rusty. Stainless steel screws so, under what conditions it can easily lead to rust! Jining stainless steel fasteners, stainless steel fasteners, Jinan Road ground is provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (http://www.daoqinshangmao.com) strong, credible, in Jinan, Shandong and other hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Road ground and you work into the brilliant, for a better future! You can also access (www.daoqinshangmao.com/supply_details_42448845.html), for more information about the company.