A wrench is a common hand tool. What types of wrenches are there? Common wrenches include fixed wrenches, socket wrenches, adjustable wrenches, dual-purpose wrenches, socket wrenches, etc. Various wrenches have different specifications, model sizes, usage methods, and precautions.
A wrench is a hand tool that uses the principle of leverage to turn bolts, screws, nuts, and other threads to tighten bolt or nut openings or housing fasteners. A wrench is usually equipped with a clamp at one or both ends of the handle. By holding the opening or sleeve of the bolt or nut, external force is applied through the handle to turn the bolt or nut.