What is a Wrench?
A wrench is a versatile tool used for tightening or loosening nuts and bolts. It typically has a handle and a fixed or adjustable jaw that fits around a bolt or nut to provide leverage for turning. Wrenches come in various shapes and sizes, each designed for specific types of fasteners.
Types of Wrenches
1. Adjustable Wrench
2. Box-End Wrench
3. Open-End Wrench
4. Combination Wrench
5. Socket Wrench
6. Adjustable Spanner Wrench
Examples and Uses
For example, an adjustable wrench is handy for fitting different sizes of nuts and bolts, while a socket wrench is perfect for fastening bolts in tight spaces. A box-end wrench provides a strong grip on stubborn nuts, while an open-end wrench is great for quick adjustments.
Case Studies
Case study: A mechanic uses a combination wrench to tighten lug nuts on a car wheel, ensuring each nut is securely fastened for safe driving.
Statistics
According to a survey, 85% of professionals prefer using wrenches over other tools for fastening applications due to their efficiency and reliability.