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| 1. | half round head square neck bolt |
| 半圆头方颈螺栓 |
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| 2. | oval head square neck bolt |
| 椭圆头方颈螺栓 |
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| 3. | countersunk head square neck bolt |
| 沉头方颈螺栓 |
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| 4. | Cup head square neck bolts with large head--Product grade C |
| GB/T14-1998大半圆头方颈螺栓C级 |
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| 5. | round head square neck bolt |
| 圆头方颈螺栓 |
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| 6. | strong oval head square neck bolt |
| 加强半圆头方颈螺栓 |
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| 7. | Cup head square neck bolts |
| GB/T12-1988半圆头方颈螺栓 |
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| 8. | large oval head square neck bolt |
| 大扁圆头方颈螺栓 |
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| 9. | Strengthened cap head square neck bolts |
| GB/T794-1993加强半圆头方颈螺栓 |
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| 10. | adjustable head T-square |
| 活头丁字尺 |
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