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Choosing the Right Angle Grinder

Size and Power
When you choose an angle grinder, you need to think about the size and power. The right tool makes your work easier and safer. Here are some important things to consider:

Disc size matters. Small discs, like 4-1/2 inches, work well for light jobs such as sharpening blades or cutting tile. Medium discs, between 7 and 9 inches, handle most cutting and grinding tasks. Large discs, 9 inches or more, are best for heavy-duty work like cutting thick metal or concrete.

Power rating is important. Tough materials need more power. An 11-amp motor can cut heavy metal, while a 6-amp motor is enough for lighter jobs.
Think about how you plan to use the grinder. If you work as a welder, you may need a tool with more power and a bigger disc. If you do projects at home, a lighter model may feel better in your hands.

Disc Selection
Picking the right disc is just as important as choosing the grinder itself. The disc size affects how deep you can cut and how much control you have. A larger disc can cut deeper, but it also makes the tool heavier. Smaller discs give you more control for detailed work.

The disc you use should match your grinder’s size and speed. Using the wrong disc can cause accidents or damage the tool. Always check the disc for cracks or damage before you start. Never use a disc that does not fit your grinder.

You should also pick a disc made for your task. Use a cutting disc for metal, a diamond disc for stone, and a flap disc for polishing. This helps you get the best results and keeps you safe.

An angle grinder gives you the power to cut, grind, polish, and clean many materials. You can use it for metal, masonry, or wood projects. Professionals and DIYers both find value in its versatility and long-term benefits, such as improved efficiency and reduced fatigue. To stay safe, always remember:

1. Use the correct disc for each task. 2. Wear proper safety gear. 3. Never remove the safety guard. 4. Keep a firm two-handed grip. 5. Secure your workpiece. 6. Let the blade do the work. 7. Inspect your tool and discs before use. 8. Follow the disc’s speed rating. 9. Disconnect power before changes. 10. Wait for full speed before starting.

HOW TO CHOOSE AN ANGLE GRINDER
The angle grinder is such a versatile tool. It can be used for a variety of jobs and comes in a range of shapes, sizes and weights. If you’re looking for the right tool to meet your needs, we’ve got some handy information to help you pick a grinder that will set sparks flying.

Working with an angle grinder
THE ANGLE GRINDER BASICS
An angle grinder’s primary use, funnily enough, is to grind down metal to create a smooth, seamless finish. It’s a versatile tool that allows you to shape any surface exactly as you’d like.

Angle grinders can also be used for cutting metal, or even some stone or bricks with the right disc. Once you’re done, the angle grinder can also be used to buff up and add a shiny finish using a polishing disc.

If you’re careful, an angle grinder can even be used to sand wood. But beware! Angle grinders can make a meal of wood pretty quickly!

WHAT TO LOOK FOR
LOAD SPEED

This refers to how quickly the disc is capable of moving. A slower load speed will run more quietly but less powerfully. The more heavy duty your job, the higher load speed you want.

SOFT START

Angle Grinders with ‘soft start’ reduce the kick, making them easier to handle; this is very handy for jobs that are likely to have a bit of resistance.

VOLTAGE

Much like your load speed, the higher the voltage, the more power you’ve got. Often corded angle grinders have a higher voltage, but if that’s not needed, a cordless grinder is pretty handy.

DISC SIZE

Larger discs are better for larger surfaces and deeper cuts. For more precise jobs or curved finishes a smaller disc will be more suitable. When buying new discs make sure to check that the arbour diameter of the disc matches that of your grinder.

SPEEDS

Burnishing metals and sanding wood will only require a low speed, something around 2000 rpm. For cutting through harder materials, around 5000-7000 rpm is required.

SAFETY
When using any power tool safety it’s always a priority make sure you follow these steps:

Always use the safety guard in the proper position
Always use side handle for stability
Always wear gloves and safety glasses
Never have the grinder attached to power when changing the disc
Run new wheels for a minute when first attached incase wheel is defective
That’s the basics. Now that you’ve got the info to pick your tool it’s time to get stuck into the grind.

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