What is an Angle Grinder?
An angle grinder, also known as a side grinder or disc grinder, is a handheld power tool used for grinding, cutting, sanding or polishing.
Angle grinders are powered by either an electric motor, petrol engine or compressed air. The motor drives a geared head at a right-angle on which is mounted an abrasive disc or a thinner cut-off disc, either of which can be replaced when worn. Some angle grinders have an adjustable guard and a side-handle for two-handed operation.
There are many different brand and type of angle grinders out there in the market. One can find it very challenging to choose the right angle grinder, especially for those who does not have any experience with the tool.
6 Main Factors to Consider when Choosing an Angle Grinder
- Type of Angle Grinder
- Size & Weight
- Motor Power
- Speed Ratings
- Wheels & Accessories
The angle grinder can be a very dangerous tool when the power supply is on and not handle professionally. It grinds and cuts stuff, without proper safety precautions, it could lead to injuries.
Other than the goggles and safety gloves, grinders with side handle are recommended due to better handling of the machine during operation. Some machines have an adjustable handle which gives you flexibility for any kind of job. Anti-vibration feature is a bonus.
Try to look for an angle grinder that has an adjustable guard or protective cover so that you can easily turn the guard around and protect yourself from the sparks and debris.
An angle grinder with a push-button switch is convenient at the same time dangerous because it could be accidentally switched on and cause injuries.
2. Type of Angle Grinder
The type of grinder you choose depends on the job you are going to perform.
Electric powered angle grinders are the most common type of angle grinders in the market. It is the most popular choice of the consumers. There is an electric motor that spins the disc which is connected to a power cord. They are also available in different power options, different types of work need different power. Some models have a side handle for better handling.
Just like electric, the battery powered angle grinders don’t have a power cord rather they are equipped with a battery that needs to be charged. Cordless angle grinders are a great choice for working outdoors. Their portability provide a lot convenience for any kind of outdoor job.
Next is the compressed air powered or pneumatic angle grinders. One of the main reasons to choose a pneumatic angle grinder is that it can provide huge power to any kind of job. It can spin the disc at higher rates also making the life of that abrasive less but provide tremendous speeds in cutting.
3. Size & Weight
The size of the grinder is determined by the disc size and not the overall length of the machine. Bigger sized grinders use large wheels making them ideal for tougher jobs,
4. Motor Power
The voltage, wattage and amp rating vary between grinders. Many of the people will prefer buying a machine with a power ranging from 110 to 230 volts AC, and the wattage range from 500 to 2500 watts.
Another thing that you can consider is the amp rating of the machine which can be from 4 to 15.
If you are looking for an angle grinder for use in household tasks, you may go for one with a lower rating, and it will be sufficient for handling your job. Professionals can go for heavy-duty angle grinders with more amps in order to handle different types of projects with ease.
5. Speed Ratings
You should also pay attention to the speed of the angle grinder that you want to buy. You want o bring home a powerful machine that works quickly to get all your jobs done to perfection. Basically, hand-held angle grinders have discs that make around 5,000 to 10,000 revolutions per minute.
Also check if the machine has a soft start when it is switched on. Angle grinder with soft start is preferable because it is easier to handle.
6. Wheels & Accessories
This is an important thing that you want to put in mind when you are selecting the right angle grinder. Grinders are versatile tools with discs that can be interchanged, so a user can install different types of wheels and accessories to perform different jobs.
There are different types of wheels and brush attachment styles available in the market. Make sure you have the right machine in order to use with the available wheels type and accessories for a particular task.
Choosing an angle grinder is not a simple task for many people. Always take into consideration the above factors before buying an angle grinder. You should aim to buy a product that meet your project or task requirement and most importantly is the safety aspect of the tool.
If you want to make sure you are getting the right angle grinder, feel free to hit us up. Our professionals are more than happy to help you.