01 Q235 HDG pola 4,8 8,8 hex bolt din931
Mezinahiya standard a xuyangê ya Bolt vebijarkî: GB/T5783, GB/T5782, SH/T3404, DIN933, DIN931, ISO4014, ISO4017, UNI5737/UNI5739 standard Italian, ASME B18.2.3.1m, ASME B18.2.3.1m, ASME B18.2.3.1m, ASME B18.2.3.1m, ASME B18.2.3.2m. .5m B18.2.3.6M şeşgoşeya derve metrîk, ANSI/ASME B18.2....