| 1. | Square set screws with long dog point and rounded end
方头长圆柱球面端紧定螺钉 |
| 2. | Square set screws with short dog point and cone end
方头短圆柱锥端紧定螺钉 |
| 3. | Square set screws with long dog point
方头长圆柱端紧定螺钉 |
| 4. | Internal square set screws . dimensions
内四方紧定螺钉.尺寸 |
| 5. | The study of inspecting square set
直角尺检定装置的研制 |
| 6. | Square set screws with chamfered end
方头倒角端紧定螺钉 |
| 7. | Square set screws with cup point
方头凹端紧定螺钉 |
| 8. | Square set screws
大头马车螺丝 |
