1. Adjustable Wrench

Best for: General-purpose use, varying bolt sizes
An adjustable wrench (also called a crescent wrench) features a movable jaw, allowing it to fit different bolt sizes. While versatile, it’s not as precise as fixed-size wrenches and should not be used for high-torque applications.

Common Uses: Plumbing, quick fixes, household repairs

2. Combination Wrench

Best for: Mechanics, automotive work
A combination wrench has an open-end on one side and a box-end (closed) on the other. The open-end allows for quick loosening, while the box-end provides a better grip for tight spaces.

Common Uses: Automotive repair, machinery maintenance

3. Socket Wrench (Ratchet Wrench)

Best for: Fastening and loosening nuts/bolts efficiently
Socket wrenches use interchangeable sockets that fit onto a ratcheting handle, allowing for continuous turning without repositioning the tool. They come in different drive sizes (¼", ⅜", ½").

Common Uses: Automotive work, assembly, machinery

4. Box-End Wrench

Best for: High-torque applications
A box-end wrench has a closed loop that grips bolts securely, reducing the risk of rounding edges. Some have 6-point or 12-point designs for better engagement.

Common Uses: Heavy machinery, automotive repair

5. Open-End Wrench

Best for: Quick adjustments in tight spaces
Unlike a box-end wrench, an open-end wrench has U-shaped jaws, making it faster to slide onto bolts. However, it provides less grip than a box-end wrench.

Common Uses: Plumbing, light mechanical work

6. Torque Wrench

Best for: Precision tightening
A torque wrench ensures bolts are tightened to exact specifications, preventing over- or under-tightening. Common types include click-type, beam-type, and digital torque wrenches.

Common Uses: Automotive engines, aerospace, industrial applications

7. Allen Wrench (Hex Key)

Best for: Hexagonal socket screws
Allen wrenches are L-shaped or T-shaped tools that fit into hexagonal recesses in bolts and screws. They come in metric and SAE sizes.

Common Uses: Furniture assembly, bicycle repair, machinery

8. Pipe Wrench

Best for: Gripping and turning pipes
Pipe wrenches have serrated jaws that dig into rounded surfaces, making them ideal for plumbing work. They should not be used on nuts or bolts to avoid damage.

Common Uses: Plumbing installations, pipe fittings

9. Spanner Wrench

Best for: Specialized applications (e.g., rings, collars)
Spanner wrenches are designed for specific tasks, such as adjusting lock rings, retaining nuts, or plumbing fixtures.

Common Uses: Industrial machinery, plumbing, automotive

10. Crowfoot Wrench

Best for: Tight spaces where a regular wrench won’t fit
A crowfoot wrench is a flat, open-end wrench that attaches to a ratchet or extension, allowing access to hard-to-reach bolts.

Common Uses: Hydraulic lines, confined engine spaces

How to Choose the Right Wrench

• Task: Determine if you need a general-purpose wrench or a specialized one.

• Size: Match the wrench size to the bolt/nut dimensions.

• Material: Chrome-vanadium steel wrenches are durable and resistant to corrosion.

• Torque Requirements: High-torque jobs require box-end or torque wrenches.

Final Thoughts

Having the right wrench for the job ensures efficiency, safety, and precision. Whether you're a professional mechanic or a DIYer, understanding the different types of wrenches will help you tackle any project with confidence.

Need high-quality wrenches for your toolbox? Check out our selection of premium tools designed for durability and performance!