Stainless steel spring washers points of light spring washers, heavy duty spring washers, spring washers and standard saddle-type spring washers. Materials are SUS304 and SUS316, Yantai supply range M2-M42 stainless steel miniature screws, all sizes large inventory online. Common standards GB / T93 GB / T7244 GB / T7245 DIN127 etc. 1. wallboard self-tapping screws for gypsum wallboard and other connections between metal keel. The threads of the threaded stud thread also has a high surface hardness (≥HRC53), can not make out under the conditions of pre-hole miniature Liaocheng stainless steel screws, screwed into the keel quickly, thereby forming a connection. 2. stainless steel self drilling screws with ordinary tapping screws is that different from ordinary self-tapping screws in the connection, subject to drilling (drill thread bottom) and tapping (including fastening) two processes; and since drilling tapping screws in stainless steel miniature screw connection Heze, it will be drilled and tapped two processes once the merger is completed. It first screw in front of the drill to drill, and then they were tapping screws (including fastening), saving construction time, improve construction efficiency. Heze stainless steel miniature screws _ Jinan Road ground (certified) _ stainless steel miniature 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.