Jinan Road ground stainless steel self-tapping screws introduced Jinan Road ground stainless steel self-tapping screws definition: different threads and general machinery, self-tapping screw thread in use with unwanted and nuts can be screwed directly into the matrix to connect and lock . Self-tapping screws for letters describe as "ST". Such as thread size is 4.2mm, length 13mm Tai'an shaped stainless steel screws, which is described as ST4.2 * 13mm Jinan Daoqin self drilling self-tapping screws material: material production and self-tapping screws are two types, one is carbon steel , a stainless steel. C1018 carbon steel multi-use materials to produce the line of the ball, the surface to be carburized and galvanized. Stainless steel typically SUS201, SUS304, SUS316 production. Our main production is SUS304 stainless steel self-tapping screws, self drilling screws, self drilling screws products. Stainless steel cross recessed pan head self tapping screws for fastening sheet metal or non-metallic materials, Qingdao shaped stainless steel screw connection, do not hit in the attack tooth Bottom and Zibo shaped stainless steel screws, when used, the direct use of the tool can be screwed into the lock products . Stainless steel self-tapping screws in the drill cuttings out of the matrix no teeth. Because stainless steel self-tapping screw thread and general different, head for the pointy teeth from relatively large, with no crumbs bit like wire tapping, tapping can not be directly screwed into metal and plastic typically use this method to connect. Stainless Steel Phillips pan head self tapping screws a lot of cash sales. Standard: GB / T845 DIN7981 Qingdao shaped stainless steel screws _ _ shaped stainless steel screws provided by Jinan Jinan Daoqin Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (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_43436055.html), for more information about the company.