A Tommy bar is a short rod inserted through the shaft of a socket wrench to provide additional leverage when turning nuts and bolts. It comes in different sizes and materials and is commonly used in car and motorcycle tool kits. The diameter and length needed depend on the job. Its name’s origin is uncertain, but it may have come from its use by British soldiers in WW1 and WW2.
A Tommy bar, also called a T-bar or wrench, is a short bar or rod that is inserted through the shaft of another tool, most commonly a socket wrench or socket wrench, to provide additional leverage when turning the tool. Wrenches are used to tighten or loosen nuts and bolts. A wrench used with a tommy bar has a hole through the shaft into which a bar is inserted to aid in turning nuts and bolts, such as when changing car tires, removing hubcaps, or adjusting car tires. a motorcycle. Tommy bar tools come in several sizes with varying diameters and lengths and are usually made of aluminum, steel or stainless steel which may be chrome plated, zinc plated or powder coated. A Tommy Bar tool is commonly included in tool kits that come with a car or motorcycle.
The most commonly used type of wrench with a Tommy bar is the socket wrench, also called a socket wrench. This tool is a hollow tube with a socket at each end, and the T-bar is inserted through the two holes in the hollow tube to assist in turning the wrench. T-bars can also be used with screw jacks.
There are several types of Tommy bars. Some feature a ball lock device that prevents the rod from slipping out while in use. Other T-bars, such as many used as auto tools, have a bent tip for the same reason. There are also stepped Tommy Bars which are made up of multiple sections of various diameters, allowing the T-bar to be inserted into wrenches with different sized holes. Very small tommy bars are used for so called t-bar screws which have a T-bar inserted through a hole in the screw head to make it easier to turn. These types of screws can be used for different purposes, such as in microphone stands and boom arms.
The diameter of Tommy bar needed for a particular job depends on the size of the holes through the wrench used, and the length needed depends on how much leverage or torque is required. It is not known exactly how the Tommy bar got its name. The term is thought by some to have originated with its use by British soldiers, sometimes referred to as “Tommys”, in WW1 and WW2, when Tommy bars and wrenches were used to unscrew the base of bombs when they disarmed them.
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