供应螺栓产品：
DIN186，DIN188，DIN261，DIN444，DIN478，DIN479，DIN480，DIN529，DIN558，DIN601，DIN603，DIN604，DIN605，DIN607，DIN608，DIN609，DIN610，DIN931，DIN933，DIN960，DIN961，DIN962，DIN1480，DIN3570，DIN6914，DIN6921，DIN7968，DIN13257
UNI6058, UNI5737, UNI5739, UNI5738, UNI5740, UNI5712
SFS2063, SFS2064
ISO4018, ISO4016, ISO8677, ISO4014, ISO4017, ISO8765, ISO8676, ISO7412
GB37-88, GB798-88, GB799-88, GB14-88, GB5782-86, GB5783-86, GB5785-86, GB5786-86, GB5789, GB1228/1229/1230, GB1228-84
NF E25116, NF E25115, NF E27311, NF E27353, NF E25112, NF E25114, NF E25113, NF E27701
JIS B1118, JIS B1178, JIS B 1180, JIS B1171, JIS B2809, JIS B1186, JIS B1189
ASME B18.9, ASME B18.2.1, ASME B18.5, ASME B18.9, ASME B18.2.1/ASME B18.2.3.1M, ASME B18.2.3.6M, ASME B18.2.3.9M/ASME B18.2.3.4M, ASME B18.2.6, ANSI B18.2.1, ANSI B18.5/ANSI B18.5.2.1M, ANSI B18.2.1/ANSI B18.2.3.1M, ANSI B18.2.3.6M/ANSI B18.2.3.3M, ANSI B18.2.3.9M/ANSI B18.2.3.4M, ANSI B18.2.3.7M, IFI-136, IFI-149, IFI-111, IFI-513
EN4016, EN4014, EN4017, EN8765, EN8676, EN1662
