| 1. | Hexagon slotted and castle nuts , style 1 - product grades a and b 型六角开槽螺母 |
| 2. | Hexagon slotted and castle nuts , style 2 - product grades a and b 型六角开槽螺母 |
| 3. | Specification for hexagon slotted nuts and castle nuts 六角形开槽螺母和槽顶螺母规范 |
| 4. | Hexagon slotted and castle nuts , style 1 - product grades a and b 1型六角开槽螺母a和b级 |
| 5. | Aircraft fasteners . hexagon thick castle nuts 飞机用紧固件.厚六角槽形螺母 |
| 6. | Aircraft fasteners . hexagon thin castle nuts 飞机用紧固件.薄六角槽形螺母 |
| 7. | Narrow gauge mine car open type wheel assembly castle nuts 矿山窄轨车辆.开式轮对.槽型螺母 |
| 8. | Specification for hexagonal castle nuts of class 3b unj thread 六角形槽顶螺母规范3b级unj螺纹 |
| 9. | Hexagon slotted and castle nuts , style 2 - fine pitch thread - product grades a and b 2型六角开槽螺母细牙a和b级 |
| 10. | Hexagon slotted and castle nuts , style 1 - fine pitch thread - product grades a and b 1型六角开槽螺母细牙a和b级 |