| 1. | All field splices were bolted using astm a325 hex head bolts .
所有现场拼接都用美国材料试验协会的A325六角形头螺栓。 |
| 2. | T - shaped bolt flat - headed bolt foundation bolt six - angled bolt
T型螺栓方头螺栓 |
| 3. | T - head bolts hammer head bolts for railway vehicles
铁路车辆用t形头螺栓锤头螺栓 |
| 4. | 90 countersunk head bolts with recess , tolerance p6
光杆公差带p6一字槽. 90沉头螺栓 |
| 5. | Railway fixed equipment . hammer head bolts 63
铁路固定设备.粗制63 -锤状头螺栓 |
| 6. | Hexagon head bolts with fine pitch thread - full thread
六角头螺栓细牙全螺纹 |
| 7. | Fracture analysis of two - head bolt with zinized surface
表面渗锌双头螺栓断裂原因分析 |
| 8. | Square head bolts with collar and oval half dog point
带肩和半圆柱轴颈止端的方头螺栓 |
| 9. | Railway fixed equipment . hammer head bolts 73
铁路固定设备.粗制-锤头螺栓 |
| 10. | Square head bolts with short dog point
短螺栓末端的圆柱轴颈止端的方头螺栓 |
