GB / T 16823.2-1997 General tightening for threaded fasteners GB / T 16823.3-1997 Test method for tightening threaded fasteners GB / T 16938-2008 Fasteners Bolts, screws, studs and nuts - General technical requirements GB 17464-1998 Connecting devices copper conductors with safety requirements GB screw-type and screwless-type clamping units / T 17645.511-2010 Industrial automation systems and integration - Parts library - Part 511: Mechanical systems and common parts: a fastener reference dictionary GB / T within 2670.1-2004 hexalobular pan head self-tapping screws. Stainless steel screws, stainless steel nuts Tai'an 316LU-bolt, stainless steel disc spring Zibo 316LU-bolt, stainless steel studs, stainless steel U-bolts, stainless steel hose clamps, stainless steel gaskets, stainless steel screws, the screws 304, 316 bolts. Stainless steel rivets, stainless steel pin. GB / T 3098.16-2000 Mechanical properties of fasteners stainless steel set screws GB / T 3098.17-2000 Mechanical properties of fasteners - Preloading test for detection of hydrogen embrittlement - Parallel bearing surface method GB / T 3098.18-2004 Mechanical properties of fasteners blind rivet Test methods GB / T 3098.19-2004 Mechanical properties of fasteners blind rivet GB / T 3098.2-2000 Mechanical properties of fasteners Coarse thread GB / T 3098.20-2004 Mechanical properties of fasteners ensure wing nut torque GB / T 3098.21-2008 fastener mechanical properties of stainless steel tapping screws GB / T 3098.22-2009 Mechanical properties of fasteners fine-grained non-quenched and tempered steel bolts, screws and studs stainless steel screws. Stainless steel nuts, stainless steel adapter Qingdao 316LU-bolt, stainless steel screw 316LU-bolt, stainless steel top wire, stainless steel disc spring, large stainless steel flat head screws stainless steel machine screws, the screws 304, 316 bolts Dongying 316LU-bolt, 316LU-bolt, Jinan Road service provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) strong, credible, in Jinan, Shandong 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 into the brilliant and you work for a better future!