| 1. | Metric round head short square neck bolts ; erratum
米制圆头短方颈螺栓.技术勘误 |
| 2. | Cup head square neck bolts with large head - product grade c
大半圆头方颈螺栓 |
| 3. | Round head square neck bolts with large head metric series
带大头的米制圆头方颈螺栓 |
| 4. | Round head square neck bolts with large head metric
米制大圆头方颈螺栓 |
| 5. | Flat countersunk square neck bolts , with short square
平沉头短方颈螺栓 |
| 6. | Round head square neck bolts " japy " type
商业性通用螺栓制造.圆头形方颈部螺栓" japy "型 |
| 7. | Flat countersunk square neck bolts , with long square
平沉头长方颈螺栓 |
| 8. | " countersunk head square neck bolts " ploughshare " type
商业性通用螺栓制造.埋头方颈螺栓 |
| 9. | Cup head square neck bolts with small head and short neck - product grade b
小半圆头低方颈螺栓 |
| 10. | Bolts , metric round head short square neck
米制园头短方颈杆的螺栓 |
