Main type of wrench

There are two main types of wrenches: fixed wrenches and adjustable wrenches. Fixed wrenches have a specific size marked on them, while adjustable wrenches allow for flexibility in size adjustment.

1. Wrench: This type of tool has a fixed opening at one or both ends, designed to fit and turn nuts or bolts of a specific size. It is commonly used in general mechanical tasks.

2. Torx Wrench: Featuring a hexagonal or twelve-pointed socket at each end, it's ideal for tight spaces where regular wrenches can't reach. It's often used with specialized fasteners that have a Torx head.

3. Dual-Function Wrench: One end resembles a standard single-ended wrench, while the other end is shaped like a box wrench. This allows it to tighten or loosen bolts and nuts of the same size from both ends.

4. Adjustable Wrench: With an adjustable jaw, this wrench can accommodate various sizes of nuts and bolts. It’s versatile and commonly found in many toolboxes.

5. Hook Wrench: Also known as a crescent wrench, it’s specifically designed to grip flat nuts that have limited thickness, making it useful in tight areas.

6. Socket Wrench: Comprised of multiple sockets with hexagonal or twelve-point holes, this tool works with handles, extensions, and ratchets. It’s perfect for accessing hard-to-reach bolts or nuts in confined spaces.

7. Allen Key: An L-shaped tool used to tighten or loosen hexagonal socket screws. The size of the Allen key corresponds to the distance between opposite sides of the hexagon. It's widely used in machinery and furniture assembly.

8. Torque Wrench: This tool measures the amount of force applied when tightening a bolt or nut. Some models emit a sound or light signal once the desired torque is reached, ensuring proper fastening in critical applications.

9. Adjustable Wrench (continued): Its design includes a flat, toothed fixed jaw and a movable jaw that can be adjusted using a worm gear. The movable jaw has two different shapes—one flat and one concave—allowing for greater versatility in gripping different fasteners.

These tools are essential in automotive, mechanical, and industrial settings, helping professionals and DIY enthusiasts complete a wide range of tasks efficiently and safely.

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