TL;DR: When buying an angle grinder in the UK, most DIYers should opt for a 115mm or 125mm model with a power rating between 700W and 900W. For patio slabs and metalwork, a corded 240V model offers the best value, while 18V cordless versions provide essential portability for garden tasks. Brands like Sorako offer a high-performance, budget-friendly entry point for home renovation projects.

Choosing the right angle grinder is essential for safely and efficiently cutting, grinding, and polishing metal or stone. Based on our testing of leading budget models and UK safety standards, this guide will help you navigate disc sizes, power sources, and the specific regulations you need to know before starting your next home improvement project.

What size angle grinder do I need for DIY?

In the UK, the most common disc sizes are 115mm (4.5 inch) and 125mm (5 inch). Consequently, choosing between them depends on your specific task. For instance, a 115mm grinder like the Sorako 750W is perfect for light metal deburring or cutting wall tiles. However, if you are tackling thicker patio slabs or heavy steel lintels, a 125mm grinder provides the extra depth of cut required to finish the job efficiently.

• 115mm: Best for precision, light rust removal, and small-scale DIY.
• 125mm: Preferred for deeper masonry cuts and professional metalwork.
• Power Ratings: Look for 500W-1000W for domestic use. Higher wattage prevents the motor from "bogging down" under load.

Which is better: Corded or cordless angle grinders?

Deciding between corded and cordless angle grinders often comes down to where you plan to work. Corded 240V grinders provide continuous, high-torque power, making them the reliable choice for extended sessions in a garage or workshop. On the other hand, cordless 18V models offer unmatched portability for British gardens where power sockets may be out of reach. While cordless tech has improved, keep in mind that grinders are "power-hungry" tools that can deplete smaller batteries quickly during heavy grinding.

What are the UK safety requirements for using grinders?

Safety is not just a suggestion; it is a necessity. According to UK Health and Safety Executive (HSE) guidelines, you must use appropriate Personal Protective Equipment (PPE). This includes EN166-rated safety goggles, heavy-duty gloves, and ear protection, as grinders often exceed 90dB. Furthermore, always ensure the adjustable guard is positioned to deflect sparks away from your face and body. Because these tools operate at high RPMs, never use a damaged or cracked disc.

Sorako Angle Grinder Review: Best Budget Choice for UK Users?

Sorako has become a popular fixture in the UK market by offering robust tools that don't break the bank. Their grinders are specifically designed to balance ergonomic handling with high-speed performance. Whether you are cutting paving flags for a new patio or prepping a gate for painting, Sorako tools provide the reliability typically found in more expensive trade brands. This makes them an excellent investment for those building a versatile home toolkit.

Comparison: Sorako vs Other Budget UK Angle Grinders

How to choose the right discs for stone and metal

Selecting the correct abrasive is just as important as the tool itself. For example, if you are cutting Indian Sandstone or concrete slabs, a diamond-tipped blade is essential for a clean finish. Conversely, for cutting rebar or angle iron, a thin metal-cutting disc is required. If your goal is to remove paint or rust, a flap disc is the most effective accessory. Always check that the disc's RPM rating matches or exceeds the speed of your grinder to prevent shattering.

Frequently Asked Questions

What is the best budget angle grinder in the UK?

Based on price-to-performance ratios, Sorako offers some of the best value, providing trade-level reliability for under £50.

Can angle grinders be used for cutting slabs?

Yes, provided you use a diamond blade. While 115mm models work for thinner tiles, 125mm grinders are better for standard UK garden paving slabs.

Are 115mm grinders suitable for heavy-duty tasks?

They are excellent for most DIY tasks, but for prolonged heavy-duty grinding or deep masonry work, a 125mm or 230mm model is more efficient.

Do I need a 110V or 240V grinder?

For home DIY in the UK, a standard 240V 3-pin plug is correct. 110V models are specifically for use on professional construction sites with a transformer.