A ratchet wrench is a hand tool used to tighten and loosen fastening hardware, such as nuts and bolts. It consists of a ratchet handle and a socket attachment, which locks into the handle using a ball catch mechanism. Ratchet wrenches are included in most home repair and automotive emergency kits, and are more effective than non-ratchet wrenches in hard-to-reach places. The ratchet mechanism allows for a back-and-forth motion to rotate the socket, making a clicking sound.
A ratchet wrench, also known as a socket wrench, is a hand tool used to loosen and tighten fastening hardware. Fastening hardware includes the nuts and bolts that secure the ends of screws into buildings, furniture, and some electronic items. The body of a ratchet wrench is usually made of metal and consists of a long thin ratchet handle and a small hollow socket attachment. Sockets modify hardware components of various sizes designed to adapt wrench to torque fastener hardware. A ratchet wrench is so called because it uses a ratcheting motion to tighten and loosen fastening hardware. This tool is used while constructing or repairing many types of things, including car repair and building construction.
Used to modify the wrench to fit different sized fastener hardware, a socket locks into the ratchet by inserting a square portion of the socket into a square hole in the handle of the wrench. The socket is held in the square-shaped hole, called the drive, using a mechanism called a ball catch or ball catch, which uses a spring-loaded ball to lock the socket into the drive. The size of the drive hole in the ratchet handle determines the size of sockets it holds. Ratchet wrench handles and sockets must match the size of the unit to be used together.
Ratchet wrench sets are a basic tool included in most home repair shops and automotive emergency repair tool kits. A ratchet mechanism works by using a circular gear wheel which allows the tightening mechanism to move in only one direction. When the handle is moved in the other direction, the grip does not move. This has the effect of allowing the user to move the ratchet handle back and forth to rotate the socket. As the ratchet rotates, it will generally make a quick click similar to the sound made when rattling the teeth of a comb.
This means of tightening the hardware is in contrast to the technique used with a non-ratchet wrench, which requires the user to repeatedly twist or turn the wrench to loosen or tighten the fastening hardware. The ratchet can often prove more effective at tightening nuts and bolts in hard-to-reach places and loosening hard-to-remove fastening hardware. In confined areas where the ratchet and its socket are difficult to fit, hardware that matches the length of the ratchet or socket hole can help mount the tool in hard-to-reach locations to tighten hardware that would be inaccessible to a non-driver. wrench ratchet.
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