How many kilograms does it take to tighten the wrench on the M20 high strength bolt? The first thing to know is whether the high strength bolt is a big hexagonal bolt or an electric torque shearing wrench.

　　高強螺栓分為扭剪型高強螺栓和大六角高強螺栓。大六角高強螺栓屬于普通螺釘?shù)母邚姷燃?，扭剪型高強螺栓是為了更好地施工而改進的大六角高強螺栓。

　　High strength bolts are divided into torsional shear high strength bolts and hexagonal high strength bolts. Large hexagonal high strength bolts belong to the high strength grade of common bolts. Torsional shear high strength bolts are improved large hexagonal high strength bolts for better construction.

　　施工高強螺栓必須先緊固再緊固，高強螺栓用沖擊式電動扳手或扭矩可調(diào)電動扳手;終擰緊的高強螺栓有嚴格的要求，終擰緊的扭剪式高強螺栓必須使用扭剪式電動扳手，終擰緊的扭矩式高強螺栓必須使用扭矩式電動扳手。

　　Construction of high-strength bolts must be tightened before tightening, high-strength bolts with impact electric wrench or torque adjustable electric wrench; final tightening of high-strength bolts have strict requirements, the ultimate tightening of high-strength torsional shear bolts must use torsional shear electric wrench, the ultimate tightening of high-strength torsional bolts must use torque electric wrench.

　　緊縮大六角高強度螺栓的擰緊力矩扳手,M20大六角高強度螺栓端螺絲扭矩值是需要通過計算轉(zhuǎn)矩系數(shù)的測試,但一般M20螺栓扭矩值450 n m,如果你是一個扭剪型高強度螺栓,就好了,使用電動扭轉(zhuǎn)剪切扳手扭線,如果轉(zhuǎn)折,它會自動把螺絲的梅花頭扭斷,這意味著轉(zhuǎn)折。

　　The tightening moment wrench of tightening large hexagonal high strength bolt and the torque value of M20 large hexagonal high strength bolt end need to pass the test of calculating the torque coefficient, but generally the torque value of M20 bolt is 450 n M. If you are a high strength torsional shear bolt, you would like to use the electric torsion shearing wrench twisting line. If turning, it will automatically break the plum blossom head of the screw, which means turning.

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