First, according to specifications

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Today's market on the hydraulic wrench by the M36, M42, M48 three models more applications, and these different models represent the bolt and nut sleeve on the length of the opposite, M36 with the table is 55, M42 represents the 65, M48 stands for 75. So when we choose the time we have to choose the appropriate size of the product according to our hydraulic wrench size.

Second, according to the bolt torque selection

In the hydraulic wrench torque size is the most critical parameters, but also the core of our consumer choice, different torque of this placement is different, different material torque gap is very large, we must according to different rolling mill equipment and chemical equipment bolt torque to choose more appropriate Bolt torque hydraulic wrench.

Third, the bolt and nut space

1, we must choose the hydraulic wrench when the full consideration of the bolt and nut space, if there is no space to choose the right but the drive shaft hydraulic wrench more economical.

2, if the screw after a long choice of hollow hydraulic wrench more appropriate, at the same time with a special extension sleeve.

3, if there is room for the best choice of hollow hydraulic wrench.

4, the nut is closer to the choice of drive shaft hydraulic wrench is very suitable, if the special needs can consult professional hydraulic wrench