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If you are a DIY enthusiast or a professional mechanic, you know the importance of having the right tools. One such tool that is ubiquitous in most toolboxes is the spanner. Commonly known as a wrench in North America, a spanner is a handheld tool used to tighten and loosen various types of nuts and bolts. Spanners come in different sizes and shapes, and each type is designed for specific uses.

Types of Spanners

Some common types of spanners are:

• Adjustable spanners: These spanners have jaws that can be adjusted to fit different sizes of nuts and bolts. They have a movable thumbwheel that can adjust the width of the jaws.
• Socket spanners: These spanners have a socket at their end that fits over the head of a bolt or nut. They come in two types: hexagonal sockets that fit six-sided nuts and square sockets that fit four-sided nuts.
• Combination spanners: These spanners have a box-end and an open-end. They are great for working in tight spaces since their box-end can fit over the head of a bolt or nut.
• Ratchet spanners: These spanners have a ratchet mechanism that allows the user to turn the nut or bolt without having to remove the spanner from it after each turn.

How to Use a Spanner

Using a spanner is pretty straightforward:

1. Select the right spanner for the job. Ensure that the spanner’s jaws or socket fit snugly on the nut or bolt head.
2. Turn the spanner in the right direction (clockwise to tighten and counterclockwise to loosen).
3. Apply firm, even pressure to the spanner’s handle. Avoid over-tightening or using too much force.
4. If the nut or bolt is stubborn, use a penetrating oil like WD-40 or apply heat to the surrounding area to loosen it.
5. Once you have tightened or loosened the nut or bolt, remove the spanner from it.

Spanners are an essential tool in any toolbox. They come in different shapes and sizes, and each type is designed for specific uses. When using a spanner, ensure that you select the right spanner for the job, turn it in the right direction and apply firm, even pressure to avoid damaging the nut or bolt or injuring yourself.