| Classification类别 | Standard Code 标准号 | Specification规格 | Length长度 | Property Grade性能等级 | Surface 表面处理 |
| 六角头螺栓Hexagon
Head Bolt | GB30 | M5-M48 | 6-600 | 4.8 5.6
6.8 8.8 9.8 10.9 12.9 | 本色，发黑，发兰，白锌，电镀，彩镀，热烫锌 Plain Black 
White Zinc Blue Zinc Yellow Zinc HDG |
GB21 |
| GB5780-5786 |
| ANSI | | | 2 |
| A-6 | 1/4" - 2" | 3/8" - 25" | 5 |
| A-10 | | | 8 |
| DIN | | | 4.8 5.6
6.8 8.8 9.8 10.9 12.9 |
| 931 933 | M5-M48 | 6-600 |
| 601 558 603 | | |
| 内六角 Internal Hex Screw | GB70 | M4-M48 | 6-600 | 4.8
8.8 10.9 |
| ANSI G-4 | 1/4" - 2" | 5/16" - 25" | 2 5 8 |
| DIN912 78984 | M4-M48 | 6-600 | 4.8 8.8
10.9 |
| 双头栓 Double End Bolt | GB897 898 900 901 | M4-M56 | 12-1000 | 4.8 8.8 10.9 (Grade-2) |
| ANSI C-6 | 1/4" - 2" | 1/2" - 40" |
| DIN938 939 835 | M4 - M56 | 12 - 1000 |
| 其他 Others | 标准螺栓，六角头螺栓，内六角螺栓，双头栓，马车螺栓，U型栓，眼栓，地脚螺栓，全丝杆，特殊螺栓，异型件，来样加工，图纸加工，螺母，垫片等等，镀锌件，电镀件 |
