A wrench is a hand tool used for tightening or loosening nuts, bolts, and other fasteners. It typically consists of a handle and a jaw that is designed to grip the fastener securely. There are many different types of wrenches available, each designed for specific applications. Some of the most common types of wrenches include:
- Adjustable wrench - a wrench with a movable jaw that can be adjusted to fit different sizes of nuts and bolts.
- Combination wrench - a wrench with a closed-end head on one end and an open-end head on the other.
- Socket wrench - a wrench that uses detachable sockets to fit different sizes of nuts and bolts.
- Torque wrench - a special type of wrench used to tighten nuts and bolts to a specific torque value.
- Pipe wrench - a wrench with serrated jaws that is designed for gripping pipes and other round objects.
- Allen wrench - a hexagonal wrench used for tightening or loosening screws with hexagonal sockets.
- Box wrench - a wrench with a closed-end head that completely encloses the nut or bolt.
- Ratcheting wrench - a wrench that allows the user to turn the fastener in one direction without having to remove and reposition the wrench on the nut or bolt.
