How to buy electric wrench, the company used a M10 of the six corners, and M19 is the outer six corners. Torque is relatively large.
The key is the torque accuracy requirements and speed requirements.High precision torque electric wrench with selected torque.High impact speed selective impact type electric wrench.Fixed torque electric wrench, with torque sensors and current control.Fixed torque electric wrench must also consider the problem of reaction force to overcome.
First of all, you should determine what bolts you need to tighten, what kind of mechanical performance level, how much torque you need, and secondly, to see how much torque range you require,Then according to their company's financial situation to consider imported or domestic brands, each brand has now charging, mainly to your financial problems, abroad are generally good, but the price is very expensive, according to your own choice
