Stainless steel screws are widely used in applications machinery, petrochemicals, telecommunications, chemicals, construction, electricity, textiles, sports equipment, paper, water treatment, marine, automotive and other industries Taian square stainless steel carriage trails, with the domestic economy greatly improved living standards stainless steel screws will be more extensive range of applications. Square neck bolts (1) round head square neck bolts: GB14 / DIN603 (2) less than half the head square neck bolts: GB12 (3) low round head square neck bolts: GB801 Notes: square neck bolts again carriage bolts hex screws (1 ) hexagon socket head screws: GB70 / DIN912 (2) Hexagon level set screws: BG70 / DIN913 (3) Hexagon tip set screws: within GB78 / DIN914 (4) countersunk head hex convex tail set screws: GB79 / DIN915 (5) within the hexagon socket set screws: hexagon thin head screws DIN7991 (7) within:: GB80 / DIN916 (6) hex head screws DIN7984 (8) Cypriot screws: ISO7379 Qingdao, Weifang diameter stainless steel carriage side diameter stainless steel carriage side, square stainless steel carriage trails, Jinan Road ground is provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (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!