Vivian Berry Wrenches September 02nd, 2018 - 13:09:42
Typically, a pipe wrench is composed of an upper hook jaw and a lower heel jaw, both connected to a flat handle. The lower jaw is adjustable to the size of the metal object. Forward pressure on the handle pulls the jaws closer for ease of gripping and turning. Usually made of aluminum or steel, pipe wrenches are available in various sizes measured by the length of the handle.
Of the two types of torque wrenches, the micrometer wrench is definitely the more accurate. Typically, they are rated as being accurate to four percent of torque set. However, this accuracy can easily be lost if the wrench is not reset to zero before storage. Beam wrenches don't have this possibility of losing their accuracy, but are less accurate right out of the box. The accuracy of these beam wrenches is typically 12 percent, but can be less on higher torque settings, especially if the operator's hand is shaking from the pressure they are applying.
If you are buying a torque wrench for your car, you should buy a 1/2 inch square drive tool, as 3/8 in drive tools only work on lower torque settings (typically below manufacturer's specifications). Adapters are available to reduce the 1/2 inch square drive to 3/8 inch square to fit the more common socket size that most people have.
When storing your wrenches, a tool storage chest, wrench holder or a standard tool box can be useful. Tool boxes and cases for wrenches, include soft cases in rollout and box style, as well as heavy plastic cases or even heavy duty steel, titanium and aluminum toolboxes for the serious mechanic. Wrenches can be stored in tool chests, roll up cases, and will help you find the exact tool you need for getting extra leverage on a stubborn bolt.
Three of the most common wrenches found in American homes are the pipe wrench, the adjustable wrench and the combination wrench.
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