| 联系人:徐晓武13901389373 | 电话:86-010-87607678,87600505,87600909,63466210,63466609,67678346,67672162 | 传真:010-87600007,63439666 |
| 地址:北京市朝阳区三台山路甲1号(汽研总院对面);北京市西城区西便门外莲花池东路3号(五金大厦二层);北京朝阳区成寿寺路173号(朝龙市场水暖区西排30号) | 邮编:100176 |
 | UDC 621.882.6 | GB 8-88 | 代替 GB8-76 | | 方头螺栓 C级 | | Square head bolts-Product grade C |
|  | UDC 621.882.6 | GB 10-88 | 代替 GB10-76 | | 沉头方颈螺栓 | | Flat countersunk square neck bolts |
|  | UDC 621.882.6 | GB 12-88 | 代替 GB12-76 | | 半圆头方颈螺栓 | | Cup head square neck bolts |
|  | UDC 621.882.6 | GB 27-88 | 代替 GB27-76 | | 六角头铰制孔用螺栓 | | Hexagon fit bolts-product grade A and B |
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