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lag bolt [screw] 方頭木螺釘,方頭尖螺絲。

lagan

Ordinary bolt connecting bolts as a permanent use , when the design requirements or questions about its quality should be carried out when the smallest lag bolts kind complex load testing and the results were consistent with national standard 《 mechanical fasteners , bolts , screws and stud 》 ( gb3098 ) 普通螺栓作為永久性連接螺栓使用時,當設計有要求或對其質量有疑義時,應進行螺栓實物最小拉力載荷復驗,其結果符合國家標準《堅固件機械性能、螺栓、螺釘和螺柱》 ( gb3098 )的規定。