01 Q235 HDG gred 4.8 8.8 bolt hex din931
Saiz standard penampilan bolt pilihan: GB/T5783, GB/T5782, SH/T3404, DIN933, DIN931, ISO4014, ISO4017, UNI5737/UNI5739 Piawaian Itali, ASME B18.2.3.1m, ASME B18.2.3.5m, ASME B18.2.3.5m. .5m B18.2.3.6M metrik heksagon luar, ANSI/ASME B18.2....