| 1. | Screws , hexagon socket button head cap metric series 米制系列内六角圆头螺钉 |
| 2. | Hexagon socket button head cap screws metric series 米制内六角圆头带帽螺钉 |
| 3. | 100 per cent countersunk flat button head rivets 百分之百沉头平圆头铆钉 |
| 4. | Heaxagon socket button head screws iso 7380 : 2004 ; german version en iso 7380 : 2004 内六角平圆头螺钉 |
| 5. | Hydraulic button heading machine 预应力钢筋钢丝液压镦头器 |
| 6. | Hexagon socket button head screws 内六角平圆头螺钉 |
| 7. | Hexagon socket button head screws 内六角平圆头螺钉 |
| 8. | Button head snap 半圆头铆钉窝子 |
| 9. | Button headed bolt 半圆头螺栓 |
| 10. | Button head screw 圆头螺钉 |