Madeleine Jacobson Wrenches August 01st, 2018 - 01:52:38
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.
Torque wrenches are precision tools and should be treated as such. Although most micrometer wrenches have a reversible ratchet head, they really should not be used as a ratchet, and especially not as a breaker bar. Most people who break their torque wrenches do so by trying to loosen an overly tight bolt with it. This overly stresses the internal mechanism, causing it to break, especially if the micrometer isn't set to a higher torque value than the pressure that is being applied.
The Pipe wrench Otherwise called the Stillson wrench, this wrench mostly finds use among plumbers. This tool can be very convenient to use when working in a tight spot where the need for gripping power of an adjustable wrench is most needed. The tool has rough jaws with which it can securely hold the pipe. The pipes can be fitted easily using this wrench as the jaws will help the pipe to stay in place firmly.
Crescent wrench The most common type of adjustable wrench found in most homes is the crescent wrench or a wrench with an adjustable end. These adjustable wrenches come in various sizes. A majority of homes have the normal 1 1/2" wrench that can be used to repair any type of faucet or pipe in the house. Large or small projects can be completed easily with the help of the crescent wrench. This angled jaw of the crescent wrench lies perpendicular to the handle at almost fifteen degrees. This tool finds a place in homes because of its ease of use. Most homes use this type of wrench to loosen any bolt or nut that may get stuck. Currently this type of adjustable wrench is used for undertaking other repair work also. Nowadays there are lid openers that incorporate the crescent wrench concept to make lid opening very easy. This type of wrench is also used to secure items such as doors when their faucets or handles have broken.
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.
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