The required torque can be set through the shaft tube on the scale, the zero graduation of labelled vice ring at the center of the cylinder and then clockwise rotation axis cylinder, in order to increase the reading, reach the required torque value, stop.
2. The precision torque screwdriver correctly using:
Preset torque screwdriver after setting can be through the adapter connected to all kinds of fasteners, clockwise turn, fastening torque measurement. Turn clockwise to fastening torque measurement. When reach the set value from "click, click, click..." The sound. Preset torque screwdriver once set can be used repeatedly under the same value, until it is need to set another torque value.
3. The replacement of the cutting tools
Pointer torque screwdriver head is gm's 6.3 hexagonal hole, easy to change the word "-", or "+" or other shape of the head of the cutting tools. (cutting head must bring your own).
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