新国标 GB 德标 DIN 国际标准ISO 汽车专业代号 产品名称(中英文) 老国标 GB GB8-88 方头螺栓-C 级 Square head bolts-Product grade C GB8-76 GB10-88 沉头方颈螺栓 Flat countersunk square neck bolts GB10-76 GB11-88 沉头带榫螺栓 Flat countersunk nib bolts GB11-76 GB12-88 半圆头方颈螺栓 Cup head square neck bolts GB12-76 GB13-88 半圆头带榫螺栓 Cup head nid bolts GB13-76 GB14-88 DIN603 ISO 8677:1986 大半圆头方颈螺栓 C 级（马车螺栓） Cup head square neck bolts with large head-Product grade C GB14-76 GB15-88 大半圆头带榫螺栓 Cup head nib bolts with large head GB15-76 GB27-88 六角头铰制孔用螺栓-A 和 B 级 Hexagon fit bolts-product grade A and B GB27-76 GB28-88 六角头螺杆带孔铰制孔用螺栓-A 和 B 级 Hexagon fit bolts with split pin hole on shank-product grade A and B GB28-76 GB29.1-88 六角头头部带槽螺栓-A 和 B 级 Hexagon bolts with slot on head -product A and B GB29-76 GB29.2-88 十字槽凹穴六角头螺栓 Cross recessed hexagon bolts with indentation GB31.1-88 六角头螺杆带孔螺栓-A 和 B 级 Hexagon bolts with split pin hole on shank-product grade A and B GB31-76 GB23-76 GB24-76 GB31.2-88 六角头螺杆带孔螺栓-细杆-B 级 Hexagon bolts with split pin hole on shank-Reduced shank-product grade B GB31.3-88 六角头螺杆带孔螺栓-细牙-A 和 B 级 Hexagon bolts with split pin hole on shank-Fine pitch thread-product grade A and B GB32.1-88 六角头头部带孔螺栓-A 和 B 级 Hexagon bolts with wire holes on head-product grade A and B GB32-76 GB25-76 GB32.2-88 六角头头部带孔螺栓-细杆-B 级 Hexagon bolts with wire holes on head-Reduced shank-product grade B GB26-76 GB32.3-88 六角头头部带孔螺栓-细牙-A 和B 级 Hexagon bolts with wire holes on head-Fine pitch thread-product grade A and B GB35-88 小方头螺栓-B 级 Square head bolts with small head-praduct grade B GB35-76 GB37-88 DIN...
