Last Updated: May 1, 2021 by Simon Heth
No doubt, angle grinders are a versatile and extremely useful tool. Grinding, Sanding, and cutting with an angle grinder is just a matter of seconds. Aside from this, they are one of the most useful welding prep supplies just because of their grinding and sanding function.
Most of the welders’ work is rejected by their contractor just because of having less finishing in their welding work. This problem can be easily eliminated by using the best angle grinder for welding.
Angle grinder is a great tool for preparing metal before welding. And, for adding finishing in your welded project by removing weld slag. The wide varieties of angle grinder discs are very helpful in making your welding job easier.
- Grinding disc removes excess weld metal, weld spatter, and burrs. Besides this, it removes rough edges of oxy-cut material.
- Cutting disc cuts through the metal that has to be weld.
- Flap disc is quite useful in preparing metal before welding. They smooth out the metal surface.
- Wire brush discs are often used after MIG or TIG welding to remove weld spatter and slag from the welded surface.
- For removing high welds down sanding disc is used.
For a flawless welding work, angle grinder is the must have in your metalworking shop.
Best Angle Grinder for Welding Reviews 2021
Here we have chosen some best welding angle grinders that are pocket friendly and promises to give you high end performance.
[OUR TOP PICKS]
Makita 9005B – Best Angle Grinder for Welding 2021 (Best Overall)
A durable and lightweight angle grinder that has a larger wheel size which is ideal for welders working on bigger projects.
WORKPRO – Best Angle Grinder for Metal Fabrication (Cordless)
Cordless angle grinder that ensures the safety and comfort of welders by installing anti-slip rubber handles in three positions. Perfect tool for metal fabricators, students, and home-based welders.
Bosch GWS8 – Best Welding Angle Grinder (Slim Fit Body)
An angle grinder with a slim body that is maneuverable to use for professional welding jobs. Fits comfortably in your hands and makes little or no noise.
WESCO – Welding Grinder (Budgeted)
A small angle grinder that is ideal for removing and cleaning grease, paint stains, rust, dust, and welding slag. One of the most useful tools in the shed of a metal fabricator.
SUPRAONE – Welding Angle Grinder (Compact & Lightweight)
Small angle grinder which is packed with outstanding power. Delivers exceptional performance at a pocket friendly cost. Highly recommended for heavy-duty welding projects.
1. Makita 9005B – Best Angle Grinder for Welding 2021
A compact and lightweight angle grinder that is ideal to be used for high production work when you need less fatigue. Its 9Ampere powerful motor makes it different from the other angle grinders on my list.
The wheel is 5 inches in diameter which rotates with a no-load speed of 12,000RPM. Besides this, it’s a corded angle grinder that is comparatively bigger in size. That’s the reason Makita 9005B is on the top spot on our list of best welding grinders.
Powerful motor which delivers the fastest no load speed makes it perfect angle grinder for those welder who need efficiency with perfection.
Makita 9005B features a trigger switch at the rear side of the motor housing. For welders, trigger switch is a nice option, because they have to use an angle grinder for a short period like 30-40seconds.
For welder comfort, Makita angle grinders come with an uninstalled side handle leaving the option completely on users. You can install it on the right or left side, it’s up to you.
Using Makita Angle grinder is very easy and all thanks to its AC and DC power source which is all yours choice to use. Welders need to switch between different discs frequently, for this purpose; Makita 9005B angle grinder comes with a spindle lock, which makes it easier to change the discs.
Furthermore, it features a lock on switch which eliminates the chances of triggering the power switch accidentally. Makita 5 inch angle grinder is the true example of a perfect welding angle grinder.
Since it lacks a variable speed option, so Makita 5-inch angle grinder is not a safe tool to be used by DIY-ers on delicate things. Instead of this, for professional welders who work on a tough project, a single speed option is the ideal feature for them.
It is comparatively bigger in size than the other angle grinders. This will definitely make your job quicker and easier. Its 12,000 RPM single speed option makes it a tool of choice for welders who truly work on a professional level and has to meet strict deadlines.
2. WORKPRO – Best Angle Grinder for Metal Fabrication
For metal fabrication, a tidy workplace is mandatory with no bunches of wire in which welders feet tangles. WORKPRO is the choice of tool for welders who are working in Metal Fabrication jobs. It’s cordless.
Yes, it won’t let you entangled and makes your working space clean and tidy.
Packed with high performance battery of 20V 4.0AH that delivers outstanding power to its 4.5 inch wheels.
It features no load speed of about 7500 RPM and that’s the reason it’s a great tool for home based welders and students who are learning to weld.
Besides this, it weighs around 3.5 pounds which is exactly like the requirement of welders who want fatigue-less jobs.
WorkPro angle grinders come with its dedicated charger to top-up the batteries so that they will provide strong and stable power. For the long life of tool, it has a heat dissipation system that dissipates the heat from the vents that are above the tool.
Unlike the other angle grinders on my list, it has a cruise speed switch which is located right at the top of the tool. The reason is, no matter the welder is left-handed or right handed, and he can easily turn on/off the switch whenever he needs.
WorkPro has shown great concern for welders and metal fabricators and that’s the reason WorkPro 4.5 inch angle grinder is specially designed for them.
Safety and comfort of welders are at the top priority and that’s why there is an ergonomically designed handle with a rubber grip so that welders can work comfortably. The handle can be installed in three positions that are left, right, or top.
Furthermore, for the convenience of the user, WorkPro angle grinder comes with numerous cutting and grinding discs. With the help of the spindle lock button, changing the disc is as easy as ABC.
WorkPro 4.5 inch angle grinder is indeed a perfect choice of tool for those peeps who want to do little welding jobs outside the home where the power source is an issue.
It’s not a great tool for doing heavy-duty jobs, rather for performing small metal preparing jobs, WorkPro angle grinder can be used. Though 7500 RPM speed is slower as compare to other ones on my list but it is of great use when you need cutting with precision.
3. Bosch GWS8 – Best Welding Angle Grinder
For a worth appreciating welding project, Bosch Angle grinder serves the best.
The 4.5 inch angle grinder featuring a powerful motor of 7.5 Ampere, which delivers ultimate power to its disc that it rotates with a no-load speed of 11,000 RPM, making it a perfect angle grinder for welders. It features a flat gear head on the front which makes it easier to clean and finish tight metal spaces.
The question is, is the Bosch Angle grinder really perfect for welders?
Bosch GWS8 angle grinder is a compact and lightweight angle grinder that has a sleek and slender style grip circumference. This allows welders and metal fabricators to work comfortably for hours.
Besides this, it has two positioned side handle for greater control and utility by users.
Unlike the cordless tool, Bosch GWS8 needs some power outlet to work. It is not portable but it promises to deliver you power with excellent performance. The 11000 RPM is enough to do your tough and labor-intensive jobs.
Sanding or grinding metal pieces before welding results in lots of dust that makes the tool ask for preventive maintenance. Keeping in mind this need, Bosch has incorporated the Service Minder Brush system, which will shut down the tool whenever it needs any maintenance. In addition to this, it has a quickly adjustable guard that protects the internal components. But in actuality, the guard is not a quick adjustable one, it’s just a guard that can be adjusted using a hex screw.
Also, to keep the internal components protected from dust, the angle grinder has multiple vents that divert the dust from important components.
You know, metal fabricators and welders need powerful angle grinders that deliver exceptional performance. Bosch angle grinder is one of them. According to toolscout.com, Bosch 4.5 inch angle grinder is best suited to any Seasonal Welders and professional welders, since it has the highest no-load speed.
Though it lacks vibration dampening feature in its handle and its gear housing heats up in two minutes, I would say, welders won’t use angle grinder for more than 2 minutes. Their task is to clean up the metal prior to welding, which can be done in less than two minutes via a high-performance angle grinder.
4. WESCO – Welding Grinder
Wesco Angle grinder is the other name of power. Featuring a 6 Ampere powerful motor that delivers no load speed of around 11,000 RPM. It is one of the highest using tools in the shed of professional welders who are used to delivering highly finished work pieces.
When removing rust from metal is a challenge, Wesco Angle grinder accepts this challenge delivers and efficiently removes rust and slag from metal. So that you can create your welding masterpiece in a more professional way.
Wesco Welding grinder is one of the best choices of metal fabricators and the reason is, it has a compact metal head, which removes TIG and MIG weld slag from congested welded joints.
Apart from all these features, it has many other safety related features which are designed keeping in mind the tough and labor intensive job of welders. That’s the reason it has a locked work button which prevents any accident that may occur while switching between a welding machine and angle grinder.
Buying an angle grinder is a one-time decision, so it’s better to buy a durable angle grinder like WESCO angle grinder which has features that assure its longevity. One of these features is the presence of a wheel guard around the abrasive disc, which protects the internal component of a tool from dust, sparks, and metal pieces. In welding, these are the for sure by-products.
To keep the tool cool during use, WESCO has added a heat dissipation unit which dissipates the heat from the exterior vents.
Since angle grinder is used in welding for doing various jobs. For which you have to switch between different discs. A professional welder looks for such tools that save his time. Wesco is one of them; it has a spindle lock which allows easier and quicker disc change.
Unlike other angle grinders on my list, Wesco welding grinder is a little bit heavy. It weighs around 5.45 pounds. You may experience fatigue in your arm while using Wesco angle grinder for long hours. So it’s better to use it for short period to avoid fatigue. Indeed it’s a high performance angle grinder on which no one can compromise.
Wesco angle grinder is a perfect tool for cleaning and preparing metal before welding.
For metal fabricators who need professional tool for quickly getting their job done, Wesco Angel grinder is just perfect for them. The high no load speed cuts and grinds tough surfaces within few minutes. Also, it is a compact and space savvy tool, so this could be used by freelance welders to give door-to-door welding services.
One thing that is bit strange in Wesco angle grinder is, they are bit noisy. It’s true that angle grinders are not a noiseless tool, but Wesco angel grinder makes an extra loud noise which may disturb some people.
5. SUPRAONE – Welding Angle Grinder
New welders who have recently started working independently, Supraone is a perfect choice. Since it has the power and speed of any high end angle grinder like Makita and it’s quite affordable in terms of price.
Equipped with a powerful motor of 9 Ampere that produces no load speed of 12,000 RPM. This is the speed that most metal fabricator looks for.
The wheel diameter is around 4.5 inches making it a handy and easy to carry angle grinder. Cherry on the top, is its weight that is around 4.4 lbs which is quite light that you won’t even feel in your toolbox.
Supraone angle grinder has been designed keeping in mind the needs of professional welders, for this purpose it has a compact body design and small diameter barrel grip. Welders can easily hold such compact angle grinder without being fatigued. Besides this, for the comfort of metal fabricators, it features an ergonomically designed rubber handle that can be installed in three positions according to your choice.
Angle grinder in welding is all about cleaning and preparing metal, which can be done by using a different disc. With the help of a spindle lock, changing discs becomes an easier task.
Usually welders don’t use an angle grinder for more than 40 seconds in one go. Keeping in mind this habit of welders, Supraone angle grinder has a trigger on/ off switch which is suitable for most of the welders.
Like other angle grinders on my list, Supraone also has a protective wheel guard to prevent metal pieces and dust from entering into the tool.
You will get a cutting disc, grinding disc, and flap disc along with Supraone Angle grinder. All these abrasive disc are enough for any welder to prepare metal for welding.
12,000 RPM speed is quite useful in saving your precious time. Supraone is a 4.5 inch angle grinder which is a small angle grinder but it is packed with immense power. Highly recommended angle grinder for heavy duty jobs. But you have to use this angle grinder safely, since it lacks safety lock on/off feature which prevents accidental start-up.
Supraone angle grinder has all similar power and performance as Makita angle grinder. Those newbie welders who can’t afford a brand new Makita angle grinder can enjoy the same feature and performance in the shape of Supraone angle grinder.
What is a grinder used for in welding?
Angle Grinders are use for cutting thins metal pieces, cleaning & preparing base metal, removing weld slag, and smoothing the weld joints.
What is the best way to cut welds?
Cutting weld or undo a weld is really a hard and tricky task. You can do this by plasma cutting and torch cutting when it comes to the thermal method. As far as mechanical method is a concerned, grinders can be used to cut a weld as it is considered as one of the best ways to cut welds. Don’t forget to grind the beads after cutting the weld.
Can a Dremel cut welds?
Yes, Dremel can be used to cut welds by using a cutting disc or grinding stones.
How do you grind weld tight spots?
For this purpose, angle grinder or die grinder can be used.
How do you break a welding spot?
Most commonly used method is to remove it via grinding. For this purpose, angle grinders are used which directly remove the metal above the spot weld without damaging the panel.
Diversity and versatility are the other names of angle grinders. A handheld tool that is used for cutting, grinding, sanding and polishing, could become a useful tool in metal fabrication, which is quite impressive. Welder and metal fabricators prefer to use welding grinders in order to produce masterpiece with high finishing.
The above reviewed angle grinders will definitely quench your thirst for the best angle grinder for welding. Makita 9005B is one of the high performance angle grinder that is suitable for professional use whereas, Supraone angle grinder has the same performance but at a comparatively lower price.
My name is Simon Heth and I am a father of two kids. A full-time grinding professional who can perform multiple tasks at once, whether it is cutting, carving, polishing, grinding, deburring, and finishing. Read More about me…