| 1. | High strength large hexagon nuts for steel structures 钢结构用高强度大六角螺母 |
| 2. | Bolted connections with reduced shank ; hexagon nuts 带缩径杆的螺栓连接件.六角螺母 |
| 3. | Prevailing torque type all - metal hexagon nuts with flange 全金属六角法兰面锁紧螺母 |
| 4. | Prevailing torque type all - metal hexagon nuts , style 2 2型全金属六角锁紧螺母 |
| 5. | Prevailing torque type all - metal hexagon nuts , style 1 1型全金属六角锁紧螺母 |
| 6. | Hexagon nuts , style 1 . product grades a and b 六角头螺母. 1型.产品等级a和b |
| 7. | Hexagon nuts , style 2 . product grades a and b 六角头螺母. 2型.产品等级a和b |
| 8. | Hexagon nuts with conical spring washer . product grade a 带锥形盘簧垫圈的六角螺帽.级 |
| 9. | Hexagon nuts , style 2 - product grades a and b 2型六角头螺母. a和b级产品 |
| 10. | Hexagon nuts , style 1 - product grades a and b 1型六角头螺母. a和b级产品 |