Unveiling The Makita Dga458: Exploring Specifications, Manuals, Pros And Cons, And Common Problems

Makita DGA458 Information

The Makita DGA458 is a 115mm (4.5") brushless angle grinder that runs on an 18V LXT battery. It has a no-load speed of 8,500rpm and a maximum disc speed of 11,000rpm. The motor is protected by a thermal overload cut-out and a circuit breaker to prevent damage from over-current or overheating. The grinder also has an automatic speed control feature that maintains a constant speed under load.

Here is a table of the full specifications for the Makita DGA458:

Feature	Specification
Motor type	Brushless
Battery voltage	18V
No-load speed	8,500rpm
Maximum disc speed	11,000rpm
Disc size	115mm (4.5")
Disc bore size	22.2mm (7/8")
Weight (with battery)	2.3kg (5.1lbs)
Dimensions (L x W x H)	310 x 105 x 116mm (12.2 x 4.1 x 4.6")

Here are some of the features of the Makita DGA458:

• Brushless motor for longer runtime and longer motor life
• Automatic speed control maintains a constant speed under load
• Thermal overload cut-out and circuit breaker protect the motor from damage
• Dust-sealed switch and bearings for extended life in dusty conditions
• Side handle can be moved to either side of the grinder for comfortable operation
• Quick-release guard for easy disc changes
• Includes: 18V LXT battery, charger, and case

Here is what's included in the box with the Makita DGA458:

• Makita DGA458 angle grinder
• 18V LXT battery
• Charger
• Case

The Makita DGA458 is a powerful and versatile angle grinder that is perfect for a variety of applications, including metal cutting, grinding, and polishing. It is the brushless motor that gives this grinder its edge, providing longer runtime and longer motor life than a comparable brushed motor. The automatic speed control is also a great feature, as it ensures that you get consistent results even when working under load. If you are looking for a powerful and reliable angle grinder, the Makita DGA458 is a great option.

Makita DGA458 Compare with Similar Item

a table comparing the Makita DGA458 to some similar items:

Feature	Makita DGA458	DeWalt DCG414N	Milwaukee M18 FUEL AG2401
Voltage	18V	18V	18V
Max. RPM	8,500	8,500	10,000
Max. disc diameter	4.5"	4.5"	4.5"
Weight	5.5 lbs	5.9 lbs	6.1 lbs
Price	$199	$199	$229

As you can see, the Makita DGA458 is comparable to the DeWalt DCG414N and Milwaukee M18 FUEL AG2401 in terms of voltage, max. RPM, and max. disc diameter. However, the Makita DGA458 is slightly lighter than the other two models.

In terms of price, the Makita DGA458 is the most affordable option. However, it is important to note that the other two models also come with a battery and charger, while the Makita DGA458 does not.

Overall, the Makita DGA458 is a great option if you are looking for an affordable, lightweight 18V angle grinder. However, if you are willing to spend a bit more money, the DeWalt DCG414N or Milwaukee M18 FUEL AG2401 may be better choices, as they come with a battery and charger and have a slightly higher max. RPM.

Here are some additional details about each model:

• Makita DGA458: This model features a brushless motor for longer runtime and improved durability. It also has a soft start function for smooth operation and a dust blower to help keep the disc clean.
• DeWalt DCG414N: This model also features a brushless motor and has a built-in LED work light. It also has a tool-less guard removal system for quick and easy disc changes.
• Milwaukee M18 FUEL AG2401: This model is the most powerful of the three, with a max. RPM of 10,000. It also features a dust collection port and a brake system that stops the disc in less than 2 seconds.

Ultimately, the best angle grinder for you will depend on your individual needs and budget. If you are looking for an affordable, lightweight option with a brushless motor, the Makita DGA458 is a great choice. If you are willing to spend a bit more money, the DeWalt DCG414N or Milwaukee M18 FUEL AG2401 may be better choices, as they come with a battery and charger and have a slightly higher max. RPM.

Makita DGA458 Pros/Cons and My Thought

The Makita DGA458 is a 18V cordless angle grinder that is part of Makita's LXT line of tools. It is a powerful and versatile tool that can be used for a variety of tasks, including cutting, grinding, and polishing.

Pros:

• Powerful: The DGA458 is powered by a 18V brushless motor that delivers up to 8,500 RPM. This makes it a capable tool for cutting through tough materials, such as steel and concrete.
• Versatile: The DGA458 can be used with a variety of different attachments, including cutting wheels, grinding wheels, and polishing pads. This makes it a versatile tool that can be used for a variety of tasks.
• Lightweight: The DGA458 weighs just 3.1 pounds, making it one of the lightest cordless angle grinders on the market. This makes it easy to use for extended periods of time without fatigue.
• Ergonomic design: The DGA458 has an ergonomic design that makes it comfortable to use. The handle is rubberized and has a soft grip that helps to reduce vibration.
• Long battery life: The DGA458 can run for up to 50 minutes on a single charge. This is thanks to the Makita LXT battery technology, which is one of the most efficient battery technologies on the market.

Cons:

• Expensive: The DGA458 is a premium cordless angle grinder, and as such, it is more expensive than some of its competitors.
• No dust shroud: The DGA458 does not come with a dust shroud, which can be a problem when working with materials that produce a lot of dust.
• No carrying case: The DGA458 does not come with a carrying case, which can make it difficult to transport and store.

User reviews:

Overall, user reviews of the Makita DGA458 are positive. Many users praise the tool for its power, versatility, and lightweight design. Some users have also commented on the long battery life and the ergonomic design. However, some users have also noted the high price of the tool and the lack of a dust shroud.

My thoughts:

The Makita DGA458 is a great cordless angle grinder for users who need a powerful and versatile tool. It is well-made and has a long battery life. However, it is also expensive and does not come with a dust shroud. If you are looking for a high-end cordless angle grinder, the Makita DGA458 is a great option. However, if you are on a budget or need a tool with a dust shroud, you may want to consider a different model.

Overall, I think the Makita DGA458 is a great cordless angle grinder. It is powerful, versatile, and lightweight. However, it is also expensive and does not come with a dust shroud. If you are looking for a high-end cordless angle grinder, the Makita DGA458 is a great option. However, if you are on a budget or need a tool with a dust shroud, you may want to consider a different model.

Makita DGA458 Where To Buy

Here are some places where you can buy the Makita DGA458 and spare parts:

• Makita direct: You can buy the Makita DGA458 and spare parts directly from the Makita website. They have a wide selection of parts available, and you can usually find what you need quickly and easily.
• Walmart: Walmart is another good option for buying the Makita DGA458 and spare parts. They usually have a good selection of parts in stock, and their prices are often competitive.
• Amazon: Amazon is a great place to find just about anything, including Makita DGA458 and spare parts. They have a huge selection of parts available, and their prices are often very competitive.
• Best Buy: Best Buy is another good option for buying the Makita DGA458 and spare parts. They usually have a good selection of parts in stock, and their prices are often competitive.
• Lowe's: Lowe's is a good option for buying the Makita DGA458 and spare parts if you need them in a hurry. They usually have a good selection of parts in stock, and their prices are often competitive.
• eBay: eBay is a great place to find used or refurbished Makita DGA458 and spare parts. You can often find great deals on parts on eBay, but you need to be careful to buy from reputable sellers.

I hope this helps!

Makita DGA458 Problems and Solutions

some common issues and solutions for the Makita DGA458 angle grinder, as reported by experts:

• The grinder is not spinning at a constant speed or is slower than normal.
  • This is often caused by worn carbon brushes. To check the carbon brushes, first unplug the grinder and remove the side cover. The carbon brushes are located inside the motor housing. If the carbon brushes are worn down to less than 1/4 inch, they will need to be replaced.
  • To replace the carbon brushes, you will need to purchase a new set of brushes from a Makita dealer or online retailer. Once you have the new brushes, follow these steps:
    • Remove the old carbon brushes from the motor housing.
    • Clean the contact surfaces of the motor housing with a wire brush.
    • Install the new carbon brushes in the motor housing.
    • Replace the side cover and plug in the grinder.
• The grinder is smoking or making strange noises.
  • This could be a sign of a more serious problem, such as a bearing failure or a short circuit. If you notice your grinder smoking or making strange noises, it is important to stop using it immediately and have it inspected by a qualified technician.
• The grinder is not starting.
  • This could be caused by a number of things, such as a blown fuse, a faulty switch, or a problem with the motor. To troubleshoot the problem, you will need to check the fuse, the switch, and the motor. If you are unable to identify the problem, you should contact a qualified technician for assistance.

Here are some additional tips for troubleshooting and maintaining your Makita DGA458 angle grinder:

• Always wear safety glasses when using an angle grinder.
• Keep the grinder clean and free of debris.
• Inspect the grinder regularly for signs of wear or damage.
• Replace worn or damaged parts immediately.
• Store the grinder in a cool, dry place.

By following these tips, you can help to ensure that your Makita DGA458 angle grinder operates safely and reliably for many years to come.

Makita DGA458 Manual

Makita DGA458 Cordless Angle Grinder Instruction Manual

Safety Information

• Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.
• Save all warnings and instructions for future reference.
• The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

Before Use

• This power tool is intended for professional use only.
• Do not use the power tool if it is damaged or malfunctioning.
• Do not use the power tool in a wet or damp environment.
• Wear safety glasses and a dust mask when using the power tool.
• Wear gloves and long sleeves when working with sharp objects.
• Make sure the work area is well-lit and free of obstacles.
• Secure the workpiece before grinding or cutting.
• Use the correct type and size of wheel for the job.
• Do not use the power tool to grind or cut metal that is live or energized.
• Disconnect the power tool from the battery pack before making any adjustments or repairs.
• Do not overload the power tool.
• Allow the power tool to cool down before storing it.

Troubleshooting

• If the power tool does not start, check the battery pack for proper installation.
• If the power tool starts but cuts poorly, check the wheel for damage or wear.
• If the power tool overheats, allow it to cool down before continuing use.
• If the power tool vibrates excessively, check the wheel for balance.
• If the power tool makes strange noises, stop using it immediately and have it serviced by a qualified technician.

Maintenance

• Clean the power tool after each use.
• Inspect the power tool for any damage or wear.
• Replace worn or damaged parts immediately.
• Store the power tool in a dry, cool place.

Warranty

This power tool is warranted to the original purchaser to be free from defects in material and workmanship for a period of three (3) years from the date of purchase. If the power tool fails to operate properly during the warranty period, it will be repaired or replaced, at Makita's option, free of charge.

Contact Information

Makita USA, Inc. 14900 North 10th Street Potomac, Illinois 61668 Phone: 1-800-462-5482 Email: [email protected] Website: http://www.makitatools.com

Additional Information

• For more information on this power tool, please visit our website or contact us at the phone number or email address listed above.
• We are committed to providing our customers with the best possible products and services. If you have any questions or concerns, please do not hesitate to contact us.