Best Mini Angle Grinders – Reviewing 2 & 4 inch Angle Grinders

Are you looking for a mini angle grinder for yourself? The 2-inch and 4-inch are the perfect sizes for the mini-angle grinder. Although it is small, this machine can perform tough tasks that include cutting, grinding, and polishing very hard solids such as metals, etc. This apparatus is perfect for use in areas that require more accuracy because its disc rotates at a very high speed.

The small-sized grinding tool is perfect for DIY projects and metal work. As mentioned above, this equipment ensures more accuracy. So one should use it for tasks that require smooth and precise cutting, grinding, or polishing. Following are the top 3 best 2 and 4-inch grinders along with their weight, dimensions, features, pros, and cons.

3 Best Mini Angle Grinders Review

Best 2 and 4-Inch Mini Angle Grinders

1. Pneumatic 2-Inch Mini Air Angle Grinder

Best Overall

Best 2 and 4-Inch Mini Angle Grinders



  • Power Source: Air Powered
  • Weight: 1.63 lbs.

This item is the best 2-inch mini-angle grinding device. It is manufactured by a brand named Si Fang. It is one of the easily available items on the internet with a rating above 4. As stated in its name, it is pneumatic which means that it is highly durable and long-lasting. The features such as specifications, pros, and cons of this product are the following.

The size of this tool is 2 inches. It weighs around 1.63 pounds which is 0.7 kg. The length of this product is 7.91 inches, the width is 3.62 inches, and the height is 2.05 inches. It usually comes in orange color. The maximum speed at which the disc of this device rotates is 15000 RPM. This tool is made from metal and stainless steel. The size of a disc attached to the product is also 2 inches. Furthermore, it has an air-powered system. The air consumption of this tool is around 5.0 cfm, while the air inlet is ¼ inches.

The equipment consists of a steel guard, a push switch, and the speed switch for the air inlet. This product is usually used in the welding and grinding of different substances, in the factories for manufacturing steel, and metal, and for automobiles such as cars, etc. Its small size makes it portable enough. The package of this product includes the grinding tool itself, a wrench, and a disc.


  • Durable
  • Portable
  • Lightweight


  • Expensive

The above product is the best 2-inch mini angle grinding machine because of its durability, portability, lightweight, high rotational speed, and many other features. Although it is one of the top choices for a 2-inch grinding apparatus, it is more expensive than others. If one can not afford it, they should still invest their money in this product for sure because it is worth the money.

2. DEWALT Angle Grinder Tool, 4-1/2-Inch

Premium Pick

DEWALT Angle Grinder Tool, 4-12-Inch



  • Power Source: Corded Electric
  • Weight: 1 lbs.
  • Dimensions: 15.63 x 5.94 x 4.81 inches

Although a 2-inch angle grinder performs quality work with accuracy, 4-inch is the most suitable size for a grinding item. The best and most selling product of the 4-inch grinder is from DEWALT. As clear enough from its name, this product is manufactured by a very famous USA-based tool company DEWALT.

It weighs around 6.2 pounds which is 2.8 kg. The dimensions of this product are 15.63 x 5.94 x 4.81 inches. It is made up of metal and comes in black color. This apparatus runs on electricity and uses a voltage of 120 volts. The highest speed for the rotation of its disc is 11000 RPM. Furthermore, it has a horsepower of 1.80.

The apparatus consists of a guard that reduces the risks of any damage in case of an accident, a paddle switch, a quick change wheel release, a one-touch guard, and a high motor of 11000 RPM. It is one of the long-lasting grinding tools on the market and contains a unique system to eject dust. Usually, if the dust does not eject from its disc, there is a high chance of malfunctioning the device. Therefore, this product comes with a dust ejecting system.


  • Long-lasting
  • High power motor
  • Dust ejection system


  • Pricey

Besides being costly, this is the best 4-inch mini grinder with many unique features and a high-power motor, making it perform accurate work. The one-touch guard system, quick chain wheel release, and dust ejector make it worth buying.

3. Makita GA4030K 4″ Angle Grinder

Heavy Duty

Makita GA4030K 4 Angle Grinder



  • Power Source: ‎Electric-powered

Another top-rated 4-inch mini grinder is the one from Makita. It is manufactured by a China-based brand name Makita. It comes in a unique teal color that enhances its appearance. This product comes with a toolbox. Mentioned below are the details about the size, weight, dimensions, and features along with the pros and cons.

It weighs around 3.7 pounds which is 1.3 kg. The length of this tool is 5.87 inches, the width is 16.77 inches, and the height is 12.76 inches. It runs on a voltage of 120 volts. It consists of a 6 AMP motor with 11000 RPM. Moreover, it comes with a warranty of one year, so as a result of the breaking of the machine or any other technical issues, you can exchange or refund it.

The features of this tool include its lock-on button, small barrel, high-power motor, and many more. The power system used in this tool is electricity. Its small-sized grip makes it very comfortable for a person to hold. The lock-on button present on this tool makes it more convenient to use. This item includes the grinding device, a grit, lock nut, wrench, and a wheel guard. It has a zigzag-shaped coil that prevents dust from entering the motor.


  • Durable
  • Lightweight
  • Comfortable


  • No variable speed

These are the most reliable, comfortable grinding apparatus on the market. Having various special features make this tool among the top grinding tools. The only drawback of this product is that it does not have a variable speed, so it has a fixed speed at which it works.

Frequently Asked Questions about Mini Angle Grinders

Who makes the best 4-inch mini angle grinder?

DEWALT is the most famous company that manufactures the best 4-inch mini angle grinder. Although it is a little costly, it performs accurate and precise tasks.

What is the best grinder for concrete?

A pneumatic 2-inch mini air grinder is the best tool because it has a high-power motor of 15000 RPM and can easily cut, grind, or polish substances like metal, concrete, and stones.

What is the most popular size mini grinder?

Although there are many different sizes of angle grinders, the most popular and suitable size for it is 4 inches. A 4-inch mini-angle grinder will be lightweight, have a high-power motor, and is very durable and long-lasting.

Concluding Mini Angle Grinders Review

The above guide consists of the top 3 best mini grinders of a size 2 inches and 4 inches. A 2-inch mini grinder is very powerful and focuses on one point that results in the smooth cutting, grinding or polishing of the materials. A 4-inch mini angle is the most selling grinding device in the market. The size of this tool is not too small nor too large. Therefore it performs the tasks with more precision.

For further clarification, the top 2 best 2 and 4-inch mini-angle grinders I will suggest are given below.

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