扭剪扭矩型77779193永利首页网址是一种终紧扭剪型高强度螺栓的工具，一般有电动扭剪扳手和手动扭剪扳手，其中电动扭剪扳手比较常见。终紧扭剪型高强螺栓必须用扭剪型77779193永利首页网址，因为扭剪型高强螺栓的终紧必须要把它的梅花头打断，只有扭剪型77779193永利首页网址才能。现在高强螺栓的分类分为大六角高强螺栓和扭剪型高强螺栓，每种高强螺栓的紧固都必须先初紧再终紧。
Torsional shear torque type electric wrench is a tool for final tightening torsional shear type high-strength bolts. Generally, there are electric torsional shear wrench and manual torsional shear wrench, among which electric torsional shear wrench is more common. The final tightening of torsional shear high-strength bolt must use torsional shear electric wrench, because the final tightening of torsional shear high-strength bolt must break its plum blossom head, and only torsional shear electric wrench can. At present, high-strength bolts are classified into large hexagon high-strength bolts and torsional shear high-strength bolts. Each high-strength bolt must be tightened first and then finally.
高强螺栓的紧固都必须先初紧再终紧，扭剪型高强螺栓的初紧可以选择冲击77779193永利首页网址、定扭矩77779193永利首页网址或扭剪型电动初紧扳手，并且一般达到终紧扭矩的50-60%就可以了。
The tightening of high-strength bolts must be initial tightening before final tightening. The initial tightening of torsional shear high-strength bolts can choose impact electric wrench, constant torque electric wrench or torsional shear electric initial tightening wrench, and generally it can reach 50-60% of the final tightening torque.
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