A Comprehensive Guide On Buying The Best Angle Grinder

Man Using Angle Grinder

When it comes to selecting the best angle grinder there are some important factors that you have to consider. As it is an angle grinder, you need to consider all the right functionalities and features of the machine.

You need something that handles well and can be used continuously without putting a lot of stress on your hand. Fortunately, this article highlights some of the best features of the machine and the top most recommended product used by professional contractors in the US.

When it comes to material cutting nothing can beat the versatility and functionality of a compact and durable angle grinder. Moreover, you need a machine that can be easily stored in your home.

Using Angle Grinder For Cutting Metal

This is why it is important to select something that falls right in your budget and can offer the benefits and advantages. The decision to buy a good angle grinder can be a bit daunting because there are so many options you can choose from on the market.

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Why You Should Opt For The Best Angle Grinder

When it comes to the best hand grinders, you might have seen professional contractors using one to cut metal castings, marbles, iron, etc. Moreover, angle grinders are also used by tradesmen and artist. Not to mention these automatic garages, metalworking shops, etc. You can also use an angle grinder to smooth different materials and remove excess components and materials.

Irrespective of whether you are do-it-yourself expert or a contractor or tradesmen, an angle grinder is the foremost tool to use when it comes to polishing different materials, cutting or grinding metal. This is where a corded grinder comes in.

It can offer a versatile and flexible series of options you can use to get the job done in less than half the time. Topnotch products come with automatic shutoff features and they also come with changeable rotating gear hands without using any tools. The abrasive wheels can be changed easily.

Man Changing Abrasive Wheel On Angle Grinder

Depending on the head you are using on the grinder, you can perform many cutting and grinding activities. You can polish and sand different types of materials. There are different types of projects you can undertake with an angle grinder. This can include different things like slicing metal rods, metal sheets and materials, cutting or trimming marble and ceramic tiles and stone. You can also use the grinder to polish your car’s paint or your walls.

These are just entry-level tasks that you can easily perform using a Makita cordless angle grinder. Moreover, you can also use the power tool to sharpen knives, blunt objects or tools. However, you need to use an adequate abrasive grinder head to perform different activities. You can’t use cutter to polish your car. A majority of the best 4.5 angle grinder also come with a different abrasive heads.

When it comes to the best small angle grinder there are so many different accessories and disc that you can buy online or from the market. However, some of the most common components include grinding discs, abrasive discs for cutting, grinding stones, pads for polishing, discs for sanding materials, etc.

What To Look For When Buying The Best Angle Grinder

Like many power tools, there are numerous words and phrases or jargon you need to understand and familiarize yourself with. There are also terms that you may not have heard of. Moreover, specifications for hand grinders widely differ from product to product.

Using Hitachi Angle Grinder

However, there are still some important and common terminologies and factors you should always consider before you buy a Hitachi angle grinder. In light of this, mentioned below are some important things to take into account:

The Wheel, Disk Or The Head

All three of these terms are utilized interchangeably when it comes to the best angle grinder. It is important to understand that the best 7-inch angle grinder comes with a good variety of disc types and sizes. However, the more commonly used disc sizes include 115mm and 230mm (4.5 inches and 9 inches respectively).

Furthermore, you have the option to select different discs or head based on the grinding task you are seeking to undertake. If you want to cut metal, there is a different head for that, but if you want to polish your car, you will need to buy a different disk.

You can also purchase a topnotch hand angle grinder that comes with 4 or 5 different discs for added convenience. However, if you wish to purchase them separately, ensure that the discs are the right size as your angle grinder.

The Wattage Of Your Angle Grinder

Look for the best hand grinder that comes with a high wattage or watts. The symbol for wattage is W. Remember that the higher the wattage, the more powerful the grinder and in turn the durable it will be.

Angle Grinder Voltage On White Background

In other words, with an increased wattage, you will be able to use the grinder on a continual basis. Moreover, grinders that come with particularly bigger heads or wheels require an increased wattage.

The “No-Load Speed”

The No-Load-Speed specifically refers to the total rotation speed of the head or disc: the speed before you begin grinding or cutting a material. If you want optimal and streamlined material cutting, go for a hand grinder that has a high no-load-speed. A traditional drill has a no-load-speed varying between 700 RPM to 1,200 RPM – the best angle grinder however, has a no-speed-limit of around 12,000 RPM. That is a lot of power.


This is a pretty sweet feature in top rated angle grinders. You can learn more about them in different angle grinder reviews once you compare prices. In simpler terms, a spindle-lock enables the user to quickly change the head of the grinder or any other accessory on the power tool without having to use different tools such as wrenches and whatnot.

The Auxiliary Handle

The Auxiliary handle is also referred to as the side handle on the grinder. The handle offers quite the convenience and one of the best advantages of this handles is the fact you can fit on either the left side of the hand grinder or the right.

Angle Grinder Auxiliary Handle

This enables both left and right-handed individuals to use the power tool without any complications. Some of the best angle grinder comes with more than two auxiliary handle positions for added ease of use.

The Benefits Of Using The Best Angle Grinder

Being an industrial tool for cutting and grinding hard materials, a hand grinder is an awesome tool you can use for a series of independent and do-it-yourself tasks. The grinder is designed to be powered by electricity, but there are certain gas-powered models as well. The most common power tool in the category is the angle grinder. This grinder is designed is handheld and is designed with a spinning shaft. The shaft is designed to stick out forming a 90° angle.

The wheel attached at the end is the most important components of the hand grinder. It similar to a jigsaw blade but is much more compact and comes in different sizes and variations. As you place the best angle grinder with high RPM on a metal surface or on any other material, the head or wheel rapidly spins and gets rid of the material you are looking to alter, polish or remove entirely, smoothening its surface.

For effective results, always go for an angle grinder that has the highest voltage. The faster the motor is, the more powerful the grind. In addition, putting a lot of pressure on the material can provide you with quicker results. Compatibility is key to selecting the best types of grinding heads or discs so make sure you buy a set of these wheels to ensure you don’t have to buy extra.

Man Using Angle Grinder Safety

In addition, there is a plethora of grinding wheels you can use and attach to your hand angle grinder in order to perform a diverse array of activities. Every head is manufactured for a specific purpose or work-type. For example, there are different heads for shaping and polishing. Similarly, there are different wheels for cutting and scraping.

You have to look for a wheel that is made from the same material that you intend to cut or grind – this is true for different tasks such as polishing and buffing. However, there are wheels that are designed for everyday grinding applications as well – but it is important to understand that the performance of these wheels can be limited.

In light of this, mentioned below are some commonly utilized best angle grinder heads or wheels you can use to perform a variety of different tasks:

  • Wire Brush – This is perfect for polishing or cleaning metal or steel surfaces. You can also use it to strip paint or rust.
  • Cutoff – This wheel is good for effectively cutting through objects such as steel tubes, metal sheets, bolts, etc.
  • Diamond – This is perfect for smoothening or cutting through marble or ceramic tiles.
  • Carbide – You can use this disc to polish your car, other metallic materials – you can also use it to sharpen those objects.
  • Flapper – This wheel is specifically used for sharpening everyday tools such as the wood axe or shovels.

Our Top 5 Recommendations


The Dewalt DWE402 Amp Paddle switch angel grinder has become quite popular due to several reasons. With a nice host of features and added functionality not to mention it has an enhanced ergonomic design, handling the grinder is easier and less stressful.

The machine is designed with a cutting-edge 11 amp alternate and direct current motor that generate a whopping 11,000 revolutions per minute. If you look at it from a power to size ratio – there can be nothing better than the DWE402.

Moreover, the angle grinder is also fitted with a Dust Ejection mechanism that provided an added layer of durability by quickly getting rid of all the dust accumulated when you use the grinder. Moreover, it also gets rid of tiny particles of debris.

DEWALT Angle Grinder On White Background

This functionality helps the tool dust and debris feel and you won’t have to worry about cleaning it after every job. This newer model comes fitted with a big bevel gear that offers far more durability in terms of the machine’s transmission life.

Moreover, another handy feature is its One-Touch rotation guard. Using this you will be able to rotate the machine to a full 360 degrees, by just tapping a button. This model also comes fitted with a Quick-Change wheel system – this enables users to quickly release of the wheel without using any tools. Other benefits and features include:

  • Made from high-grade industrial metal and plastic
  • Imported product
  • 11,000 RPM motor with the best size and weight ratio
  • The size of the spindle is 5/8” – 11”
  • Corded power tool
  • One-Touch rotation guard
  • Dust and debris injector
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PORTER-CABLE PC60TAG 6.0-Amp 4-1/2-Inch Angle Grinder

When it comes to cutting-edge power tools and specifically a power angle grinder, you need the best of the best and something that comes under your budget. At this price range, nothing can top the Porter-Cable PC60TAF angle grinder.

The sheer simplicity, durability and the fact it is so ergonomic and easy to use makes this power tool a top contender. The machine is built with an 11,000-RPM motor for lighting fast material removal. The long lasting 6-amp AC/DC motor makes any material-cutting task easy and less frustrating.

PORTER-CABLE PC60TAG Angle Grinder On White Background

The Porter-Cable angle grinder is designed with a metal gear casing grinder or cutting tool – this helps keep the grinder maintained and durable. It extends the life of the power tool and adds to its resilience to cut anything. On top of that, the angle grinder also has another great functionality – and that is a quick release guard – you can instantly release the guard without using a wrench or any other tool.

You can also use this functionality to adequately align it and to maintain a safe spark pattern and path. This also acts as a good safety feature. Moreover, the rapid guard release feature also save a lot of time. Plus, the angle grinder is also built with spindle lock functionality. This enables workers to experience singular changes in wrench bits, which is another important factor that can save a lot of time. Other benefits and features include:

  • Highly ergonomic – safe and injury-free grip
  • Light weight and powerful
  • Comes with amp 6 batteries
  • Designed to have spindle lock
  • Comes with wrench
  • Cast metal casing for gear transmission
  • Designed with 3-position handle on the side
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Makita 9557PBX1 4-1/2-Inch Angle Grinder With Aluminum Case

The Makita 9557PBX1 angle grinder is another top contender in this list of the best grinders you should opt for. Apart from its competitive pricing, another reason why this product is becoming so popular is the design. The Makita is designed with a unique, state of the art labyrinth casing that keeps the motor sealed. The same goes for the bearings, both these vital mechanical components are kept safe from damage and contamination.

Makita Angle Grinder With Replacement Wheels

On top of that, the power tool features useful feature – and that is the fact it is designed with a conveniently placed AC/DC switch – right on above the motor encasing. Moreover, the tool is also designed with an ergonomic grip for superior and injury-free tool handling. The product is fitted with a 7.54 ac/dc motor making the tool perfect for heavy-duty material cutting and grinding and numerous other grinding applications.

Moreover, the machine is also fitted with a spindle lock design so that you don’t have to waste any time changing the wheels – moreover, you will not need any tools to change the wheel. Plus, another side handle can be easily installed so that you can easily use the power tool. Other benefits and features include:

  • Ergonomic handling
  • Fitted with 4-1/2” grinders
  • Side handle guard
  • Comes with a added diamond wheel case
  • Spindle lock feature
  • Cutting-edge labyrinth casing for exceptional maintenance
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Hitachi G12SR4 6.2-Amp 4-1/2-Inch Angle Grinder With 5 Abrasive Wheels

The Hitachi G12SR4 angle grinder comes with a 5 powerful and durable abrasive wheels. This angle grinder is ideal for various types of steel finishing and cutting. Plus, you can also use it to easily and effortlessly cut aluminum and bronze materials. The same goes for iron castings, welded components, grinds and materials that need to be cut using an acetylene torch. You can also use the power tool to cut through marble, brick, slates and synthetic resin.

Hitachi Angle Grinder With Replacement Wheels

The G12SR4 angle grinder is designed with a 6.2 amp motor and has a 4½-inch grinder. The added 5 abrasive blades can be used to for a number of different small or big grinding applications. On top of that, you can also attach a wire brush on the grinder tool. However, it is important to understand that you should never cross the maximum threshold of RPM. If you are using a wire-brush, never cut anything without wearing your safety helmet and glasses.

The machine is also designed with a full adjustable and easily removed spindle lock system. You don’t need a wrench to change the grinder. Another great factor about the G12SR4 is the fact it also designed with an automatic shutoff feature. As soon as the machine is overload, it will turn itself off. Other features and benefits include:

  • Small, comfortable and ergonomic gripping for fast and flexible task performance
  • Enhanced durability
  • Maximum power output – has 6.2 amp motor generating 980 watts – good for any tough grinding tasks
  • Spindle-lock system – change accessories with ease and without using any tools
  • Features trigger lock-on mechanism for consistent and injury free operation
  • Lead encased motor protection for enhanced durability and low level maintenance
  • Quick slide switch fitted on the left – the switch is mounting so that you can easily turn the machine off
  • Removable side handle fitted on the front for enhanced machine control – it also improves comfort for left hand and right hand users
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PORTER-CABLE PC60TPAG 7-Amp 4-1/2-Inch Angle Grinder

The Porter-Cable PC60TPAG is an improvement over the previous model by the same company. This angle grinder is designed for topnotch performance and you can use it to grind just about anything. The handling is smooth and you can use it continuously without having to worry about straining or injuring your hands.

The angle grinder is measured at 4- ½ inches and provides a lightweight, easy to use and portable platform to workers and professional opting for corded power grinder that are budget-friendly.

PORTER-CABLE PC60TPAG 7 Angle Grinder On White Background

The power tool is perfect for contractor, mason, welders, fabricating experts, etc. Moreover, it can be used by different tradesmen as well as artists who work with sturdy and tough materials like iron castings, metals, etc. The best part about the Porter-Cable PC60TPAG power grinder is the fact it is one of the lightest grinders (weighing just 4 lbs) available on the market and at that price.

With that being said, it is fitted with a powerful motor generating 11,000 RPM. This is ideal for different material cutting applications – and the machine also has a protective and heat-dissipating metal cast ensuring durability and functionality. Other benefits and features include:

  • Comes with a 3-position handle for enhanced usability and positioning
  • Comfortable paddle switch for increased control
  • Has auto shutoff function
  • Cast metal gear case for durability
  • High speed motor – generating 11,000 RPM
  • Easy guard adjustments – tool free removal
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Bottom Line

Overall, these are some critical reasons you should invest in the best angle grinder.

Ben Jones

When it comes to selecting the right tool for the job there are some important factors that you have to consider. I hope by sharing some of my knowledge I'll be able to educate you on a range of grinders so you can get the job done.

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