An angle grinder wheel determines how effective the angle grinder will grind, cut, and polish metals. This is because the wheel is the essence of the tool. Without the wheel, the power tool loses its usefulness.
Plus, an inadequate or blunt wheel can mar your metalworking, construction, and woodworking projects. So paying attention to the wheel is of utmost importance.
Suppose your angle grinder wheel has been ineffective, and you desire to change it. Here's a well-detailed buying guide of the 5 best angle grinder wheel for cutting metals in 2021. Have a read!
GRAFF Professional Diamond Angle Grinder Wheel
DEWALT Cutting Wheel
BHA Metal and Stainless Steel Thin Cut Off Wheels
Makita 5 Pack - 4.5" Angle Grinder Wheels For 4.5" Grinders
T TOVIA Black Cutter 4½" Angle Grinder Metal Cutting Wheel
Our 5 Best Angle Grinder Wheel For Cutting Metal Picks:
Here are the top 5 angle grinder wheels that you can use to cut metal-
1. GRAFF Professional Diamond Angle Grinder Wheel
To kick off this review is the GRAFF professional diamond angle grinder wheel with a ⅞" arbor size. This wheel has a 1/16" thin kerf for cutting metals such as rebar, iron, aluminum, stainless steel, cast iron, metal pipes, to mention a few.
However, it leaves a burred edge. So use it for only rough surfaces. Also, it isn't suitable for thick metals, only for sheets and thin-walled metals.
Further, the GRAFF professional diamond angle grinder wheel has been certified by MPA Hannover. It has been proven to make over 3000 cuts during its lifetime. With a size of 5", it produces a constant diameter, unlike regular wheels that are so inconsistent.
This angle grinder wheel is very durable thanks to the high-temperature plasma soldering and an innovative diamond grit design in its cutting segment to withstand heavy use. It is cheap, costing below $20.
It produces no smell, fewer sparks, and no dust while cutting metals, making the worksite conducive and comfortable for prolonged cutting activity.
Additionally, its disco para cortar metal construction can withstand a high rotational speed of up to 12,250RPM without any issue.
- It cuts well
- Certified by MPA Hannover and can make up to 3000 cuts
- Cheap and over great value for money
- Cuts at constant diameter
- Can withstand a high rotational speed of up to 12,250RPM
- Produces no smell, fewer sparks, and no dust
- It leaves blurred edges
- Not suitable for thick metals
2. DEWALT Cutting Wheel (DW8062B5)
Next on the list is the DEWALT (DW8062B5) 4.5" cutting wheel for multi-purpose cutting of metals of different kinds. This high-performance wheel cuts rebar, iron, aluminum, stainless steel, cast iron, metal pipes, etc., like butter.
It has a thin .045" wheel design that ensures it makes fast burr-free cutting. DEWALT built it with their patented aluminum oxide grain alloy to survive aggressive cutting action, making it extremely durable.
Moreover, it has two complete sheets of fiberglasses that provide added durability and user safety. This angle grinder cutting wheel can bear a high rotational speed of approximately 13,300 RPM.
It has an arbor size of ⅞" and will fit into any grinder of the same size. Most importantly, it is cheap and bangs for the bucks. DEWALT runs a promo on it, such that if you buy four of this angle grinder wheel, you'll get one free.
Also, there's a 30-day money-back guarantee if you don't like it or it's defective within the period.
- 30-day money-back guarantee
- Can bear a high rotational speed of approximately 13,300 RPM
- Can cut all types of ferrous metals and stainless steel
- Fast and burr-free cutting
- It wears fast when used to cut rebars
3. BHA Metal and Stainless Steel Thin Cut Off Wheels Pack for Angle Grinders
The BHA metal and steel angle grinder wheels pack consists of 25 heavy-duty metal cutting discs for cutting all kinds of metals and stainless steel. The pack is affordable, costing below $30.
Each angle grinder wheel in this pack has high-performance thin 6" x .045 dimensions for making fast and flush cuts. Their thin design is to ensure there is little or minimal material loss during the cutting process. Also, the design helps in maximizing cutting precision.
The BHA metal and steel angle grinder wheels are made from exclusive aluminum oxide grain to stand up to heavy-duty cutting action and wear slower.
Hence, they are durable and last long. Each of the angle grinders in this pack has an arbor size of ⅝" and will fit into grinders of the same size. They can withstand a maximum speed of 13,000 RPM.
- They cut very well
- 25 angle grinder wheels in one pack for cutting carbon steel, stainless steel, aluminum, or any kinds of metal
- Heavy-duty construction
- They produce precise cuts
- Can run on a maximum RPM of 13,000
- They reduce material waste
4. Makita 5 Pack - 4.5" Angle Grinder Wheels For 4.5" Grinders
The Makita five-pack of 4.5" angle grinder wheels optimizes your cutting work. Each of the wheels in this pack provides smooth and fast cutting of rebar, structural & galvanized steel, steel pipe, sheet metal, tubing, steel, cable, and small to medium diameter solid pieces. They have a 4 ½" x 045" x ⅞" dimension and will fit in comfortably to any 4.5" angle grinders.
Furthermore, their unique high-performance aluminum oxide grain grit, hard bond matrix, and thickness allow them to offer one of the best cutting precision in the industry (3X more than regular angle grinder wheel) and a slower wearing rate.
They perform well under heat, which makes them useful for prolonged cutting activities. However, you must apply light pressure when using these wheels, so they don't stall or kickback and, most importantly, prevent them from blowing up on your face.
Each of the angle grinder wheels in the Makita five-pack contains less than 0.1% of sulfur, iron, and chlorine to provide corrosion-free results. The pack is cheap and offers excellent value for money.
- Produces accurate cuts
- Slower wearing rate
- 5-in-1 pack for cutting numerous metals and stainless-steel
- Provide corrosion-free results
- They fit any 4.5" angle grinder
- Perform well under heat
- If used under high pressure, they will blow up, which can be hazardous
5. T TOVIA Black Cutter 4½" Angle Grinder Metal Cutting Wheel
To round up is the heavy-duty T Tovia black cutter 4½" angle grinder metal cutting wheel with 1.5mm thin kerf. It has an innovative diamond grit that enables it to cut through rough metals of different types like metal, rebar, iron, metal profiles, aluminum, pipes, and other sheet metal. Although, it cuts slow and leaves a burred edge.
This angle grinder wheel has a long life span (100X that of abrasion wheels) due to its diamond grit that ensures it isn't affected by high-temperature. It produces less vibration, fewer sparks, no bad smell, and doesn't break.
Compared to other angle grinder wheels on this list, it is quite expensive. But, it offers good value for money. Its arbor size is ⅞", so it will fit into any grinder with a guard of the same size.
- Its diamond grit ensures it lasts long
- Produces less vibration, fewer sparks, no bad smell, and doesn't break
- Not affected by high-temperature
- Quite expensive
- Slow cutting and leaves burred edges
How to Choose the Best Angle Grinder Wheel For Cutting Metal
Want to know the determining factors in deciding the top grinding wheel? Here we go-
Abrasive Nature of Wheel
A major feature of an angle grinder wheel is the abrasiveness. Its abrasive's quality is a major instrument to the cutting and shaping process. The two main parts for achieving this function are grits and the bond. The wheel structure depends on the amount of grains, the space between them, and how they are bonded.
The material used in manufacturing the wheel also contributes to the performance, resistance, hardness and strength. The most common material is aluminum oxide, and it is capable of cutting different steels, iron, bronze and other metals.
There are other abrasive materials that are also efficient for the specific grinding process. Zirconia alumina is an abrasive that combine zirconium oxide and aluminum oxide in just the right proportion. It is very durable and tough enough for cutting and grinding operations involving steels and steel alloys.
When working with textures of brass, stone, chilled iron, rubber, soft bronze, gray iron and non-ferrous metals in general, silicon carbide wheels come in handy.
The latest innovation is the ceramic aluminum oxide, and it has high precision and purity. A big advantage here is that this wheel can work easily on difficult materials, and it is more optimal.
The grit size is the designated characteristic that defines the size of each grain on the abrasive wheel. The grit size intensity is measured per unit inch. Low grit sizes ranging from 10 to 24 are coarser and can remove bigger masses of material. Using small grit size is more appropriate for grinding large chunks, rather than making smooth finishes.
Larger grit sizes (between 50 to 200) are regarded as fine grits. They are more precise and accurate. High grit wheels are appropriate for processes that involve detailed tailoring of the workpiece. These fine grits are very suitable for working in narrow regions.
Shape of the Wheel
The wheel itself comes in several ways. The straight wheel is the product usually pictured when one thinks of a grinding wheel. The grinding face is located on a straight wheel's periphery.
This is the area that gets the job done. It is named the recessed wheel because the wheel's center is recessed, which allows it to fit on a machine spindle flange assembly. It is a traditional variant of the straight wheel style.
The cutting face on specific wheels is on the side of the shaft. As with cylinder wheels, cup wheels and dish wheels, these wheels are typically named after their distinctive designs.
Bonded abrasive pieces of different shapes are often mounted to form a constant or periodic side grinding wheel. Such commodities are called segments. To grit, the teeth of cutting instruments and other hard-to-reach surfaces, wheels with cutting faces on their sides are also used.
The fixed wheels are miniature grinding wheels with special forms permanently mounted on a steel mandrel, such as cones or tubes. For several off-hand and precision internal grinding works, they are beneficial.
The wheel must have the correct bond to enable the abrasives in the wheel to cut efficiently. The bond is the material that binds together the abrasive grains so they can cut perfectly. If the abrasive grains wear, the attachment often tends to wear away and is expelled such that fresh sharp grains are revealed.
In traditional grinding wheels, there are three principal types of bonds used. Each type is capable of giving the wheel's grinding operation its distinct characteristics. The form of bond chosen depends on variables like the pace of movement of the wheel, the type of grinding operation, the necessary accuracy, and the material to be grounded.
Most grinding wheels, consisting of a mixture of carefully picked clays, are built with vitrified bonds. Grinding wheels are very stiff, solid and brittle, constructed from vitrified bonds. At large speeds, they strip stock content and mill to exact demands. Air, ammonia, oils, or changes in temperature do not influence them. Vitrified bonds are very tough. Just like glass, they are porous at the same time.
There are other bonds made from renewable compounds. The most popular organic bond form is the resinoid bond, which is produced from synthetic resin. For applications that need rapid stock removal, wheels with resinoid bonds are good choices for better finishing. They are built to run faster rates and are mostly used in manufacturing shops, foundries, billet stores, and for saw gumming and sharpening.
To sum up, angle grinder wheels are a crucial part of an angle grinder. We have come to the end of this review, and each angle grinder wheel that made it to this list has been carefully explained in detail.
We have discussed their rotational speed limits, value for money, cost, durability, and many more. If you choose an angle grinder wheel from this list, you can be sure that you'll be buying one of the best ones available in today's market. Good luck!