The utility model relates to a tool-type fastener, in particular to a tool-type fastener bolt replacement tool.
本实用新型涉及工具式扣件，尤其涉及工具式扣件螺栓更换工具。
Bolt: Mechanical fastener, usually used with a nut, for connecting two or more parts.
螺栓：通常与螺母一起用于连接两个或更多零件的机械紧固件。
The value of tightening torque is relative not only to the nominal diameter and quality class of the bolt, but also to the security of the threaded fastener.
指出螺栓联接的扭紧力矩值不仅与螺栓的公称直径及性能等级有关，还与能否保证联接可靠工作有关。
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