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Best Angle Grinder For Cutting Metal (2023 Updated)

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When it comes to cutting metal, an angle grinder is one of the most versatile tools available. Whether you’re a DIY enthusiast or a professional contractor, having the right angle grinder for cutting metal can make all the difference in your project. Here are five key points to consider when selecting an angle grinder for cutting metal:

1. Motor Power: The motor power of an angle grinder determines how much power it can deliver for cutting metal. Look for an angle grinder with a motor power of at least 1,000 watts for efficient and precise cutting.

2. Disc Size: The size of the disc on an angle grinder determines how much material can be cut with each pass. Choose an angle grinder with a disc size between 4.5 and 9 inches for the best results.

3. Speed Settings: The speed settings of your angle grinder will determine how quickly and efficiently it can cut through metal. Look for an angle grinder with variable speed settings to allow you to adjust the speed according to the material you’re cutting.

4. Handle Design: The handle design of an angle grinder affects its maneuverability and control. Look for an angle grinder with an ergonomic handle design for better control and comfort during use.

5. Weight: The weight of an angle grinder affects its portability. Look for an angle grinder that is lightweight enough to be easily transported between jobs.

Choosing the right angle grinder for cutting metal is essential to achieving the best results. When selecting an angle grinder, consider the motor power, disc size, speed settings, handle design, and weight. With these five key points in mind, you can find the perfect angle grinder for your cutting needs.

10 Best Angle Grinder For Cutting Metal

1. Makita 4-1/2" Cutoff Wheels For Grinders (5 Pack)

The Makita 5 Pack – 4.5" Cut Off Wheels For 4.5" Grinders – Aggressive Cutting For Metal & Stainless Steel/INOX – 4-1/2" x .045" x 7/8-Inch is a great choice for anyone needing to quickly and easily cut through all kinds of metal, steel and stainless steel parts, including rebar, steel pipe, structural & galvanized steel, sheet metal, structural tubing, black steel, cable and small to medium diameter solid pieces.

This wheel is optimized for Makita 4-1/2” angle grinders and is compatible with all 4-1/2” angle grinders. It is designed for hard and continuous use on stainless steel, and is quality assured and contaminant-free, containing less than 0.1% iron, sulfur or chlorine, ensuring rust and corrosion-free results. It cuts 2-3x more than lower quality or excessively thin wheels due to the carefully selected grain grit, hard bond matrix and wheel thickness that provide the best balanced cut life, cut rate, cut precision, power demands and heat buildup in the industry, allowing you to cut longer, consistently precise with unmatched wheel integrity, moderate power demands and relatively low heat buildup.

The proprietary strong synthetic resinoid bond matrix binds premium white aluminum oxide with phenol resin, allowing for optimal grain wear which yields accurate cutting performance, precision, longevity, stability and integrity, cutting longer, faster and reliably than other wheels that may shatter or prematurely wear.

In short, the Makita 5 Pack – 4.5" Cut Off Wheels For 4.5" Grinders – Aggressive Cutting For Metal & Stainless Steel/INOX – 4-1/2" x .045" x 7/8-Inch is an excellent choice for any professional needing to cut through metal and steel, offering great cutting performance and precision, along with a long life span, stability and integrity.

2. 4.5" Cut-Off Wheel For Angle Grinder – Black Diamond Metal Cutting Disc.

The GRAFF Black Cut Off Wheels 4 1/2 Inch is the perfect choice for dry cutting of metal, rebar, iron, metal profiles, aluminium, and different types of pipes. The wheel is designed with a constant diameter and a new generation of diamond grit in the cutting segment, increasing its lifetime. This wheel is more comfortable in use than any abrasive wheel, creating fewer sparks, no dust, no smell, and no overheating.

The disc body of the wheel is made of high-strength steel, eliminating disc rupture when operating at high speed rotation (13 200 RPM). This wheel comes with a certification from MPA Hannover, ensuring it is a safe and efficient tool.

The GRAFF Black Cut Off Wheels 4 1/2 Inch is an excellent choice for metal cutting. It is convenient to use and has a longer life than other wheels. It can be used for grinding burred edges that can leave after rough metal cutting. This wheel is the perfect choice for those who need an efficient and safe metal cutting wheel.

3. Dewalt Dw8062 4-1/2"x.045"x7/8" Metal Cutoff Wheels, 10 Pack

The DEWALT DW8062 4-1/2"x.045"x7/8" Metal Angle Grinder Thin Cutoff Wheel is the perfect solution for fast, burr-free cutting. The Thin .045-Inch wheel design allows you to easily cut through metal with minimal effort. Highly durable, this Cutoff Wheel is manufactured in China using a proprietary aluminum oxide grain combination for aggressive cutting action. The proprietary material mix ensures durable, long-life wheels with two full sheets of fiberglass for durability and safety.

The DW8062 Cutoff Wheel is designed to make quick work of cutting metal. It features a thin .045-Inch wheel design for superior burr-free cutting, and a proprietary aluminum oxide grain combination for aggressive cutting action. The proprietary material mix ensures durable long-life wheels with two full sheets of fiberglass for added durability and safety. This 10-Pack of Cutoff Wheels is perfect for tackling a variety of metal-cutting tasks.

The DEWALT DW8062 4-1/2"x.045"x7/8" Metal Angle Grinder Thin Cutoff Wheel is an essential tool for any metal-cutting job. With its thin .045-Inch wheel design, it is perfect for fast burr-free cutting. The proprietary aluminum oxide grain combination provides aggressive cutting action, while the proprietary material mix ensures a durable, long-life wheel. The two full sheets of fiberglass provide added durability and safety. This 10-Pack of Cutoff Wheels is perfect for tackling a variety of metal-cutting tasks with ease.

4. Marshall 7.5a 4-1/2" Grinder | 12000 Rpm, 3 Wheels, 3 Discs, Safety Guards, Non-Slip Handle

This SHALL Angle Grinder Tool is specifically designed to help you get your job done quickly and efficiently. It is equipped with a 7.5 Amps motor and 900W maximum power output, which gives it a no-load speed of 12000RPM, allowing you to cut and grind with great speed and precision.

For your safety, this angle grinder is equipped with two different types of Tool-Free wheel guards to protect you during use. The slide switch has a lock-off/on feature for easy operation and the raised spindle lock makes it easy and safe to change its accessories. Weighing only 3.7 pounds, the narrow and lightweight body ensures a comfortable grip and less fatigue even during prolonged use.

The ergonomic 2-position side handle is made of a non-slip rubber material, giving you added control and comfort for different angles and materials. The slide switch is designed to accommodate both left and right-handed users. The universal size of this 4-1/2 inch grinder tool has a 7/8” arbor with a spindle size range of 5/8” -11” threaded.

This angle grinder comes with 3 cutting wheels, 3 flap discs (60 grit), a side handle and 2 carbon brushes. The extra carbon brushes double the motor life compared to other grinders. It also features an efficient vent system and dust ejection, which is ideal for cutting, sharpening, removing dust and surface preparation.

We are confident that this SHALL Angle Grinder Tool will help you get your work done quickly and safely. If you have any questions or problems with the product, please contact us and we will be happy to assist you.

5. 4-1/2" Cutting Wheels, 50 Pack, For Metal & Stainless Steel

This 50-Pack Cut Off Wheel 4 1/2 Inch Cutting Wheels is the perfect choice for cutting metal and stainless steel. With a 4-1/2" x 3/64" x 7/8" size, this cutting disc is perfectly compatible with all 4-1/2 angle grinders with 7/8-inch arbor and can operate up to 13,300 RPM and 80M/S. The thin .045-Inch wheel design ensures fast burr-free cutting, while the proprietary aluminum oxide grain combination provides aggressive cutting action. These cutting discs are double fiberglass mesh reinforced for further safety and durability.

When using these cutting discs, it is important to use all necessary protective gear. If there are any problems with the product, SALI offers customer service to help you solve any after-sales problems. With this 50-Pack Cut Off Wheel 4 1/2 Inch Cutting Wheels, you can be sure to get the job done quickly and efficiently.

6. Diamond Cutting Wheel 4-1/2" X 7/8" For Metal – 5000+ Cuts On Rebar, Steel, Iron & Inox

The EZARC Diamond Cutting Wheel 4-1/2 x 7/8 Inch for Metal, Cut Off Wheel with 5000+ Cuts on Rebar, Steel, Iron and INOX provides users with an all-in-one metal solution. This wheel utilizes diamond technology to deliver more cuts per cost than bonded cut-off wheels, with over 100X longer life in metal cutting applications.

The solid steel wheel body of the EZARC Cutting Wheel reduces the risk of shatter and injury, while the diamond cutting edge is 100% contaminant-free and does not wear down, reducing dust particles and creating a cleaner work station. The wheel provides industrial quality with assured accurate cutting performance, precision, longevity, stability and integrity. It maintains the original wheel diameter throughout its life, providing users with better control and precision cutting.

The EZARC Cutting Wheel is an ideal tool for dry cutting of metal, rebar, iron, brass profiles, aluminum and different types of pipes and sheet metal. It delivers longer, faster and more reliable cutting than other wheels that may shatter or prematurely wear. Its diamond technology ensures that users get more cuts per cost than traditional bonded cut-off wheels.

For users who need an all-in-one metal solution, the EZARC Diamond Cutting Wheel is the perfect solution. It provides users with accurate cutting performance, precision, longevity, stability and integrity that is unmatched by other wheels. The diamond cutting edge is 100% contaminant-free and does not wear down, creating a cleaner work station and reducing the risk of shatter and injury.

7. 4-1/2” Cut-Off Wheels (52 Pack), 0.45 Usd/pack, Metal/ss

This pack of Truswe Cut Off Wheels is the perfect choice for all your metal and stainless steel cutting needs. These 4 1/2 inch wheels have a 7/8 inch arbor, making them perfectly compatible with all 4-1/2 inch angle grinders. With their 0.045 inch ultra-thin design, they offer precise and quick burr-free cutting with minimal material loss.

These Cut Off Wheels are made from aluminum oxide grains which make them much safer than other wheels that might shatter or prematurely wear. Bonded with corundum and white alundum grain and reinforced by a double fiberglass mesh, they are designed to provide aggressive cutting action with long lasting durability.

The wheels are suitable for hard and continuous use on all metal, fiberglass, iron, plastic, steel and stainless steel parts including rebar, steel pipes, structural and galvanized steel, sheet metal, structural tubing and other ferrous metals. With a maximum operating speed of 13,300 RPM, they can handle all your metal cutting needs.

These Cut Off Wheels are the perfect choice for everyone from DIYers to professionals. With their precision cutting and exceptional durability, you can be sure that your cutting needs are taken care of with this 52 pack. So no matter your project, trust Truswe Cut Off Wheels to get the job done.

8. 4-1/2" Cut-Off Wheels (25 Pack)

The COMOWARE 4 1/2" Cut Off Wheel 25 Pack is an ideal choice for fast and clean cutting of metals and stainless steel. The thin .045-inch wheel design ensures straight cuts with minimal burr.

Made from a combination of corundum, aluminum oxide grain and double fiberglass reinforcement, these 4-1/2" grinding wheels offer high hardness, durability and abrasion resistance. This makes them suitable for a range of applications, from carbon steel and sheet metal, to rebar steel and stainless steel.

The reinforced double fiberglass and zinc-iron alloy rings further provide additional safety and longer service life, making these ultra-thin cutting wheels highly stable and dependable. The wheels are designed to be compatible with all 4-1/2 inch angle grinders with 7/8 inch arbor, and can reach up to 13,300 RPM, providing maximum productivity.

The COMOWARE 4 1/2" Cut Off Wheel 25 Pack is the perfect choice for fast, clean and precise cutting of metals and stainless steel. With its durable construction and high performance, this set of wheels is sure to meet all your metal cutting needs.

9. 4-1/2" Cut-Off Wheels, 20-Pack, 7/8" Metal/stainless Steel

The WORKPRO 20-Pack Cut-Off Wheels are specially formulated for fast cutting in metal and stainless steel, making them ideal for a range of projects. Crafted with corundum and white alundum grain, and reinforced with double fiberglass mesh, these cutting discs are both safe and durable, delivering a reliable performance time and time again.

Designed with a 3/64-inch ultra-thin profile, these cut-off wheels provide fast burr-free cutting with minimal material loss, making them perfect for precision projects. Compatible with all 4-1/2 inch angle grinders with 7/8-inch arbor, they are capable of operating up to 13,000 RPM and 80M/S.

These cut-off wheels are ideal for a range of projects, from super-fast cutting in carbon steel, stainless steel, pipe, iron, copper and all other ferrous metals, to general household DIY. With a 20-pack, you’ll have enough to last you a long time, meaning you can rest assured you’ll have the right tool for the job.

For fast, clean cutting in metal and stainless steel, the WORKPRO 20-Pack Cut-Off Wheels are the perfect choice. Durable and reliable, with a 3/64-inch ultra-thin design for precise cutting, they are compatible with all 4-1/2 inch angle grinders and are perfect for a range of projects.

Best Angle Grinder For Cutting Metal FAQs

Can you use a angle grinder to cut metal?

Yes, you can use an angle grinder to cut metal. Angle grinders are versatile and powerful tools that are ideal for cutting through various materials, including metal. They are equipped with a grinding wheel that can be used to cut through metal and other materials with precision. However, it is important to remember to use the right wheel for the job and to use the grinder safely to avoid accidents and damage to the material being cut. It is also important to wear protective gear, such as safety glasses, when using an angle grinder to cut metal. Additionally, it is important to use the right technique when cutting metal so that you get the best results.

How thick of metal can angle grinder cut?

An angle grinder can cut through metal up to 1/4 inch thick. However, the thickness of the metal that can be cut depends on the type of metal and the type of disc used. For example, a thin metal like aluminum can be cut with a standard abrasive grinding wheel, but a thicker metal like steel will require a specialized cutting wheel. Additionally, the power of the angle grinder and the speed of the disc can affect how thick of metal it can cut. Generally, a higher powered angle grinder with a faster disc can cut through thicker metal than a lower powered angle grinder with a slower disc. The best way to determine how thick of metal an angle grinder can cut is by testing it with a sample of the material.

What disc to cut metal with angle grinder?

When cutting metal with an angle grinder, it is important to use the correct disc for the job. A regular grinding disc should not be used for cutting metal, as it will quickly wear away. Instead, use a cutting disc specifically designed for metal. These discs are usually labeled as "metal cutting discs" and are available in a variety of sizes and thicknesses. When selecting a disc, be sure to choose one that is rated for the type and thickness of the material you are cutting. Additionally, wear protective gear such as safety glasses and a face shield to protect yourself from flying debris. Finally, be sure to follow the manufacturer's instructions when setting up the machine and installing the disc. With the right disc, an angle grinder can be an invaluable tool for cutting metal.

What metal cant be cut with a grinder?

Metal that cannot be cut with a grinder includes titanium, hardened steel, stainless steel, and some alloys. Titanium is a strong, lightweight, and corrosion resistant metal that requires special grinding tools to cut. Hardened steel is also difficult to cut due to its strength and durability. Stainless steel and alloys are usually composed of several metals and therefore require special grinding techniques to cut. For these metals, power tools such as an angle grinder are not suitable. The best option is to use a saw designed for cutting metal, such as a band saw, circular saw, or hacksaw. The saw is the safest and most precise way to cut metals. It is important to wear protective gear such as goggles and gloves when using a saw to cut metal. Additionally, it is important to ensure that the saw blade is sharp and properly aligned for the best possible results.

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