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SK系列双层式弹簧回缩液压螺栓拉伸器
●此类型螺栓拉伸器适用于10.9等级的螺栓。
●Safety fracture device : In case of wrong use or failure the safety fracture device keepsuncontrolled energy inside the tool- the safety for the staff increases significantly.
●Quick-Release the stud's nut is wound down against the joint face.
海克威克SK系列双层螺栓拉伸器选型表:
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