A gloved hand using a circular saw.

Stop going around in circles with this definitive guide to circular saws

Published 6th December 2022
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Investing in power tools can be a big decision but if you're looking for a new circular saw, easily cut down the decision in front of you with our definitive buying guide.

From corded vs cordless to mini handheld and heavy-duty saws, we'll take you through the different types to help you find the perfect kind for you.

A circular saw cutting wood.

The different types of circular saws

The different names can seem confusing, but it really all comes down to what you're cutting and where you're going to be cutting it.

Corded vs cordless circular saws

Like most power tools, you'll find corded and cordless. A cordless circular saw gives you portability and the convenience of not having to be next to a plug socket, while a corded one gives you reliable power.

Compact circular saws

Compact circular saws (A.K.A mini circular saws) are exactly what you'd expect - they're lightweight and affordable circular saws that are perfect for light DIY use. After all, there is no point in spending loads on a saw you're only going to use occasionally.

Larger circular saws

Need a more heavy-duty tool? Take a look at the rest of the circular saws in the OnBuy range to find one powerful enough. Filter by voltage: the higher the voltage, generally the more powerful it will be.

Another factor to consider is the size of the circular saw blade - again, the bigger the blade, the thicker the block of wood it will cut through. Here's a rough guide:

  • Blade diameter: 170mm/ Cut depth: 55mm
  • 185mm/ 60mm
  • 190mm/ 65mm
  • 23mm/85mm


Circular saw FAQs

What circular saw features should I consider?

The main feature to keep an eye out for is a guide of some sort - this will help you to keep your cuts straight. The best circular saws come with laser guides attached, but for maximum control you'll want to invest in guide rails and clamps - check out our range of circular saw accessories.

What are the best circular saw brands?

As with most power tools, it's important to know you can trust what you're buying. One of the easiest ways to do that is through brands that have spent years building a reliable reputation for quality. Here are a few we'd recommend checking out:

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