Bolt
Fastener
A bolt is an externally helical threaded fastener that fastens objects with unthreaded holes together. This is done by applying a twisting force to a matching nut. The bolt has an external male thread requiring a matching nut with a pre-formed... Wikipedia
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螺栓:机械零件,配用螺母的圆柱形带螺纹的紧固件。由头部和螺杆(带有外螺纹的圆柱体)两部分组成的一类紧固件,需与螺母配合,用于紧固连接两个带有通孔的零件。
高强螺栓连接是通过螺栓杆内很大的拧紧预压力把连接板的板件夹紧,足以产生很大的摩擦力,从而提高连接的整体性和刚度,当受剪力时,按照设计和受力要求的不同,可分为高强 ...
Mar 7, 2021 · 螺栓的头部一般为六角形,杆部带有外螺纹。 螺钉较小,头部有平头、十字头等,杆部带有外螺纹。 螺柱实际应叫“双头螺柱”,两头均有外螺纹,中间一般是光杆 ...