| 摘要 |
A torque-indicating wrench includes a hollow handle, a head, strain gauge and a threaded bolt. The hollow handle includes an aperture defined therein and a screw hole defined therein opposite to the countersink hole. The head includes a reduced portion. A strain gauge includes a receptacle for receiving the reduced portion of the head and an insert inserted in the hollow handle and formed with an aperture. A threaded bolt is driven in the screw hole through the apertures.
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