Although there are over 40 wrench sizes available between 5/16 of an inch and 7 inches, some common sizes, in inches, are 5/16, 3/8, 7/16, 1/2, 9/16 and 5/8. The wrench size is not the same as the bolt size. For example, a bolt with a 5/16-inch diameter requires a half-inch wrench.
Wrenches are hand tools designed to perform a variety of tasks, such as loosening or fastening nuts and bolts. There also are a variety of wrench types and shapes, including fixed-sized and adjustable wrenches. Some different kinds of fixed-sized wrenches are open-ended, close-ended, combination and socket wrenches. The closed-ended wrench, also called a box wrench, may be suitable for either a hex or square nut.Learn More
A box-end wrench is a single-piece wrench with enclosed circular openings at each end of the handle. The enclosed ends grip round or square nut and bolt faces with six, eight or 12 inner prongs, called points.Full Answer >
Most garbage disposal systems require a 1/4-inch Allen wrench to free up the impeller. Most garbage disposal systems come with the appropriate Allen wrench to do this; however, these can easily be lost, especially if the garbage disposal system was already installed in the house.Full Answer >
Sparkplug wrenches are available in a 5/8-inch and 13/16-inch size, and most have a rubber boot inside to help retrieve the plug from the well once it is loose. Using these wrenches requires an appropriately sized socket driver and extension.Full Answer >
Set up oxygen and acetylene tanks by securing the tanks, attaching the regulator and hoses, checking the hoses and tanks for damage, turning the valves on in order and striking the flame. Be sure to use welding goggles while using the equipment to protect your eyes.Full Answer >