External causes produce stainless steel screw lock phenomenon :) urging angle in the wrong direction. In use, the nut must be perpendicular to the axis of stainless steel screws screwed one but it is easy to tilt lock. Ferritic stainless steel material classification: 430 ordinary chrome steel, its corrosion resistance and heat resistance is better than 410, magnetic, but it can not be heat strengthened, 316L bolts, suitable for and resistant to corrosion and heat resistance slightly higher, strength requirements generally stainless steel screws. 302 for using screws and self-tapping screw machining. 303 In order to improve cutting performance, Yantai 316L bolt screws, 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 machining stainless steel screws, bolts specifications such as long, Weihai 316L bolt screws, bolts of large diameter, 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, bolts screws 316L Weifang, such as cold forming nuts, hex bolts. 309 and 310, they Cr content and Ni content higher than 18-8 stainless steel, suitable for working at high temperature stainless steel screws. 316L bolt | Jinan Daoqin | Yantai 316L screw bolt is provided by Jinan Daoqin Trading Company. 316L bolt | Jinan Daoqin | Yantai 316L is the Jinan Road ground screw bolt Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) this year introduced a new upgrade, the above picture is for reference only, please call this page or Tel picture on to obtain the latest information, contact: Chuan-use.