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Special attention must be paid to the deviation of the torque value when using the torque wrench product on site. Because in the process of purchase, transportation, storage, and use, sometimes the value deviates. Therefore, the torque wrench used in the construction of high-strength bolts must be calibrated before use, and the torque error must not be greater than ±5%, and it can be used only after it is qualified. (Guide:)
For the torque wrench used for calibration, the torque error shall not exceed ±3%. It is not allowed to use ordinary wrenches or electric ordinary wrenches for construction. Sometimes the torque wrench will be damaged, so it must be discovered and replaced in time. Torque wrenches with excessive torque values u200bu200bcannot be used anymore.
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One-stop manufacturer for all kind of stamping products and CNC lathed products.