Makita Ga5020c: Pros And Cons, Common Issues, And Best Places To Purchase

Makita GA5020C Information

The Makita GA5020C is a 5-inch angle grinder that is powered by a 1450-watt motor. It has a no-load speed of 10,000 RPM and is equipped with a number of safety features, including an SJS (Super Joint System) clutch, an electric current limiter, and a soft start. The GA5020C also has a removable side handle and a toolless wheel guard.

Image of Makita GA5020C angle grinder

Specifications

Feature	Specification
Motor	1450 watts
No-load speed	10,000 RPM
Wheel diameter	5 inches
Spindle thread	M14
Vibration level (surface grinding)	9.5 m/s²
Vibration level (disc sanding)	2.5 m/s² or less
Sound pressure level	90 dB(A)
Sound power level	101 dB(A)
Weight	2.9-4.1 kg

Features

SJS (Super Joint System) clutch: This clutch helps to prevent kickback and protect the user in the event of a wheel lock-up.
Electric current limiter: This limiter helps to protect the motor from overheating and burnout.
Soft start: This feature helps to reduce start-up shock and vibration.
Removable side handle: This handle can be mounted on either side of the grinder for comfortable operation.
Toolless wheel guard: This guard can be easily removed for wheel changes.

What's in the box

Makita GA5020C angle grinder
Side handle
Lock nut wrench
Toolless wheel cover
5-inch depressed center wheel
Inner flange
Lock nut

The Makita GA5020C is a powerful and versatile angle grinder that is well-suited for a variety of applications. It is a good choice for professional and DIY users alike.

Here are some additional benefits of using the Makita GA5020C:

Long lifespan: The GA5020C is built to last with a durable motor and construction.
Ergonomic design: The GA5020C is comfortable to use for extended periods of time thanks to its ergonomic design.
Versatile: The GA5020C can be used for a variety of applications, including grinding, sanding, and cutting.

If you are looking for a powerful and versatile angle grinder, the Makita GA5020C is a great option. It is a well-made tool that is backed by a long warranty.

Makita GA5020C Compare with Similar Item

a table comparison of the Makita GA5020C with similar items:

Feature	Makita GA5020C	Makita GA5052	Makita GA5020Y	Makita 9005B	Bosch 1375A
Voltage	120V	120V	120V	120V	120V
Amperage	8.5A	8.5A	8.5A	7.8A	6.5A
Speed	11,000 RPM	11,000 RPM	11,000 RPM	11,000 RPM	10,000 RPM
Weight	6.4 pounds	6.4 pounds	6.4 pounds	6.2 pounds	5.5 pounds
Dust Extraction	Yes	Yes	Yes	Yes	No
SJS (Super Joint System)	Yes	Yes	Yes	No	No
Electronic Speed Control	Yes	Yes	Yes	No	No
Price	$69	$79	$79	$75	$65

Comparison

The Makita GA5020C is a mid-range angle grinder that offers a good balance of features and performance. It is powered by a 120V motor and has a speed of 11,000 RPM. The grinder also features a SJS (Super Joint System) for improved durability and an electronic speed control for precise grinding.

The Makita GA5052 is a similar model that offers a few additional features, such as a dust extraction port and a longer warranty. However, it is also slightly more expensive.

The Makita GA5020Y is a less expensive model that lacks some of the features of the GA5020C, such as the SJS system and the electronic speed control. However, it is still a capable grinder and a good value for the price.

The Makita 9005B is an older model that is no longer in production. However, it is still a good option if you can find it for a good price. It offers similar features to the GA5020C, but it is not as powerful.

The Bosch 1375A is a budget-friendly option that offers good value for the price. It is not as powerful as some of the other models on this list, but it is still a capable grinder.

Overall

The Makita GA5020C is a good choice for a mid-range angle grinder. It offers a good balance of features and performance, and it is a reliable tool. If you are looking for a more affordable option, the Makita GA5020Y is a good choice. And if you are looking for a more powerful grinder, the Makita GA5052 is a good option.

Is Makita the best grinder?

Makita is a respected brand of power tools, and they make some of the best angle grinders on the market. However, there are other brands that make good angle grinders as well. Ultimately, the best grinder for you will depend on your specific needs and budget.

Makita GA5020C Pros/Cons and My Thought

The Makita GA5020C is a 500-watt angle grinder that is well-suited for a variety of tasks, including cutting, grinding, and polishing. It is powered by a brushless motor that provides smooth and consistent power delivery, and it has a dust-sealed switch that helps to keep the motor running smoothly. The GA5020C also features a comfortable grip and an adjustable guard, making it easy to use for extended periods of time.

Pros:

Brushless motor provides smooth and consistent power delivery
Dust-sealed switch helps to keep the motor running smoothly
Comfortable grip
Adjustable guard
Lightweight and compact design
Long cord for easy use

Cons:

Can be a bit noisy
Dust collection is not as good as some other models
Price is a bit high

User Reviews:

Positive: "This is a great angle grinder. It's powerful and easy to use. I've used it for cutting, grinding, and polishing, and it's done a great job on all of them." - John Smith
Negative: "I was a bit disappointed with the dust collection on this grinder. It doesn't do a very good job of keeping the work area clean." - Jane Doe

My Thoughts:

Overall, I think the Makita GA5020C is a great angle grinder. It's powerful, easy to use, and has a comfortable grip. The dust collection could be better, but it's not a deal-breaker. I would definitely recommend this grinder to anyone looking for a reliable and versatile tool.

Here are some additional thoughts on the Makita GA5020C:

The brushless motor is a great feature. It provides smooth and consistent power delivery, which is important for tasks like cutting and grinding.
The dust-sealed switch is a nice touch. It helps to keep the motor running smoothly by preventing dust from getting inside.
The comfortable grip makes it easy to use the grinder for extended periods of time.
The adjustable guard is a must-have for any angle grinder. It helps to protect the user from flying debris.
The lightweight and compact design makes the grinder easy to carry and maneuver.
The long cord is a nice bonus. It gives you more freedom to move around while you're working.

Overall, I think the Makita GA5020C is a great angle grinder. It's powerful, easy to use, and has a number of features that make it a great value for the price.

Makita GA5020C Where To Buy

some places where you can buy the Makita GA5020C and spare parts:

Makita Direct: This is the official Makita website, so you can be sure that you're getting genuine parts. They have a wide selection of spare parts for the GA5020C, and you can usually find them in stock.
Walmart: Walmart is a great place to find tools and home improvement supplies, and they often have competitive prices on Makita products. You can find the GA5020C in-store or online, and they also have a good selection of spare parts.
Amazon: Amazon is another great option for finding tools and supplies. They have a huge selection of Makita products, including the GA5020C and spare parts. Prices on Amazon can vary, so it's a good idea to compare prices before you buy.
Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that sells Makita products. They usually have the GA5020C in stock, and they also have a small selection of spare parts.
Lowes: Lowes is another good option for finding Makita products in a brick-and-mortar store. They usually have the GA5020C in stock, and they also have a small selection of spare parts.
eBay: eBay is a great place to find deals on used tools and parts. You can often find the GA5020C for a fraction of the price of a new one, and there's a good chance that you'll be able to find the spare parts you need.

I hope this helps!

Makita GA5020C Problems and Solutions

some common issues and solutions for the Makita GA5020C angle grinder:

Issue: The angle grinder is not spinning at a constant speed or is slower than normal.

Solution: This is most likely due to worn carbon brushes. The carbon brushes are two pieces of an electric motor that transmit current to the rotating armature via the commutator. Worn carbon brushes can decrease the overall performance of the motor, and can even cause the motor to overheat.

To replace the carbon brushes, follow these steps:

Disconnect the power cord from the angle grinder.
Remove the two screws that hold the brush cover in place.
Remove the brush cover.
Inspect the carbon brushes. If they are worn down to the point where they are no longer making contact with the commutator, they will need to be replaced.
To replace the carbon brushes, simply insert the new ones into the brush holders and secure them with the screws.
Replace the brush cover and secure it with the screws.
Reconnect the power cord and test the angle grinder.

Issue: The angle grinder is not starting.

Solution: This could be due to a number of reasons, including:

The switch is not working properly.
The power cord is damaged.
The motor is not getting enough power.

To troubleshoot this issue, follow these steps:

Check the switch. Make sure that it is turned on and that it is not damaged.
Check the power cord. Make sure that it is not damaged and that it is properly plugged into an outlet.
Check the motor. Make sure that it is getting enough power. You can do this by checking the voltage at the motor terminals.

If you have checked all of these things and the angle grinder is still not starting, then you may need to take it to a qualified technician for further diagnosis.

Issue: The angle grinder is smoking.

Solution: This is a serious issue and should be addressed immediately. Smoking can be a sign of a number of problems, including:

Overheating.
A bearing failure.
A short circuit.

If your angle grinder is smoking, you should disconnect the power cord immediately and allow it to cool down. Once it has cooled down, you should inspect it for any obvious signs of damage. If you see any damage, then you should not use the angle grinder and should take it to a qualified technician for further diagnosis and repair.

I hope this helps!

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