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Amazon
amazon.ca › Bosch-GWS12V-30N-Brushless-Angle-Grinder › dp › B09LX43LC4
Bosch 12V Max Brushless 3-inch Angle Grinder (Bare Tool).
Bosch 12V Max Brushless 3-inch Angle Grinder (Bare Tool).
Bosch GWS12V-30N 12V Max Brushless 3 in. Angle Grinder (Bare Tool) : Amazon.ca: Tools & Home Improvement
(4.5)
Price   $179.00
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Alibaba
alibaba.com › showroom › 3-inch-angle-grinder.html
3 Inch Angle Grinder - Cordless Brushless 12V Mini Tool
These portable, small grinders complete polishing, grinding, and cutting tasks in commercial settings. Below are the common industry uses for these industrial tools. In this industry, 3-inch grinders are used to smooth welded metal pieces to get rid of sharp areas or rust.
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The Home Depot
homedepot.com › tools › power tools › grinders › angle grinders
3 in - Angle Grinders - The Home Depot
20V XR Cordless 3 in. Cut-Off Tool and 20V MAX POWERSTACK Compact Battery Starter Kit
20V XR Cordless 3 in. Cut-Off Tool and 20V MAX POWERSTACK Compact Battery Starter Kit
(4.6)
Price   US$358.00
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Canadian Tire
canadiantire.ca › home › tools & hardware › power tools › grinders
Angle Grinders: Corded & Cordless | Canadian Tire
Get a wide range of angle grinders designed for construction, metalworking, and home repair tasks. From corded to cordless, find options to meet your needs. | Canadian Tire
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Jusfit Power Tools
jusfitools.com › products › 3-inch-mini-angle-grinder
Buy 3 Inch Mini Angle Grinder | Jusfitools
JUSFIT'S 3 inch Mini Angle Grinder
Discover the versatility of the JUSFIT 3-inch Mini Angle Grinder – a powerhouse designed to tackle household tasks with ease. This cordless grinder is equipped with a robust motor capable of cutting through concrete, stucco, and rebar, making it the ideal tool for various DIY projects. With enhanced safety features like restart protection and soft start controls, the JUSFIT 12V Angle Grinder is user-friendly, catering to DIY enthusiasts of all skill levels. An Angle Grinder Tailored for Your Tasks Explore the power within the compact design of the JUSFIT 3-inch Mini Angle Grinder. With dimen
Price   £62.69
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The Home Depot Canada
homedepot.ca › tools › power tools › grinders › angle grinders
Angle Grinders - Grinders - Homedepot.ca
The Ryobi 18V brushless angle grinder provides longer runtime, more power and longer motor life. Versatile design is perfect for cutting or grinding applications. The 3-position side handle is ideal for optimum hand placement.See less -
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Amazon
amazon.ca › TOOLSGO-Handheld-Grinder-Portable-100‑240V › dp › B0F4CVHGKR
TOOLSGO 3 Inch Mini Handheld Angle Grinder Multi Purpose Portable ...
TOOLSGO 3 Inch Mini Handheld Angle Grinder Multi Purpose Portable Angle Grinder US Plug 100‑240V for Home Ourdoor Use, Angle Grinders - Amazon Canada
TOOLSGO 3 Inch Mini Handheld Angle Grinder Multi Purpose Portable Angle Grinder US Plug 100‑240V for Home Ourdoor Use in Angle Grinders.
Price   $58.29
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ONEVAN
onevantool.com › home › news › news
What Size Angle Grinder Do I Need
January 22, 2025 - Finding a tool that offers power and maneuverability in tight spaces can be challenging. The ONEVAN 76 mm (3 Inch) Angle Grinder solves this problem. It is the smallest standard size.
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Walmart
walmart.com › auto & tires › auto body › auto repair tools › automotive repair instruments › power tools › grinders › angle grinders
Angle Grinders in Grinders - Walmart.com
$49.99Fovendi 3-inch Angle Grinder Tool, Cordless Angle Grinder with 2 x 1500mAh Battery and Charger for Metal Cutting, Grinding and Polishing
Find elsewhere
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Lowe's
lowes.com › tools › power tools › grinders › angle grinders
Bosch 3-in 12-volt Max Sliding Switch Brushless Cordless Angle Grinder (Charger Not Included) GWS12V-30N at Lowes.com
The Bosch GWS12V-30 12V Max 3 In. Angle Grinder is ideal for the pro who needs a compact powerhouse to get to those quick, difficult cuts in tight spaces other tools can't. With its brushless motor design and optimized gear structure, this efficient ...
Published   November 26, 2025
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RONA
rona.ca › home › products › tools › power tools › grinders
Grinders - Angle Grinders, Bench Grinders & More | RONA
RONA carries the best Grinders to help you with your renovation projects: Angle Grinders, Bench Grinders & more! Everyday Low Prices + Free shipping on eligible orders
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IHL Canada
ihlcanada.com › home › grinders & polishers
Grinders & Polishers
Cordless Brushless No-Lock Grinder with Slide Switch (Tool Only)MILWAUKEE ... SKU: 28083 Milwaukee 2522-20 M12 FUEL 12-Volt Lithium-Ion 3 in. Brushless Compact Cut Off Tool (Tool Only)MILWAUKEE ...
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Makita Canada
makita.ca › index2new.php
Angle Grinders
Makita Canada: The best in class for cordless power tool technology. A leader in power tool technology for the professional.
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Amazon
amazon.ca › Tools-Home-Improvement-Angle-Grinders › b
Amazon.ca: Angle Grinders: Tools & Home Improvement
MAXCULAR Cordless Angle Grinder 4-1/2-Inch to 5-Inch, 2x4.0 AH Battery, 9600 RPM Brushless Motor, 3 Variable Speeds with Auxiliary Handle for Cutting, Grinding, Polishing
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TEGS Tools
tegstools.com › home › shop by category › corded power tools › angle grinders
Corded Angle Grinders | TEGS Tools
Explore our comprehensive selection of angle grinders, featuring top brands like Makita, Dewalt, and Bosch. Perfect for cutting, grinding, and polishing tasks!
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Bayside Performance
baysideperformance.ca › home › tools and supplies › jet tools › air tools › air tools › jet tools 1/4 inch .6 hp air die grinder 3 inch extended shaft
JET Tools 1/4 Inch .6 HP Air Die Grinder 3 Inch Extended Shaft - Bayside Performance
JET Tools 1/4 Inch 2-In-1 Set .3 HP Mini and Mini 90° Angle Air Die Grinder Includes Product Numbers 402109 and 402110 : 402109 - .3 HP 1/4" Mini Die Grinder - Standard Duty Quality advances for longer service life include: steel end plate ...
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Canada Welding Supply
canadaweldingsupply.ca › collections › angle-grinders
Shop High-Quality Angle Grinders | Canada Welding Supply – Canada Welding Supply Inc.
Canada Welding Supply carries a complete line of angle grinders. From 4 1/2" to 9", 7 amp to 15 amp, locking and paddle switch, corded and cordless.
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MIG Welding
mig-welding.co.uk › forums › tools, compressors and metal coatings › tools, materials and techniques
Who dose a good 3 inch/75mm grinder | MIG Welding Forum
July 14, 2022 - Any one know of a 75mm or 3 inch grinder looking as doing a bit of work in tight spaces and the 4 and 4.5 inch grinders just a little cumbersome. Corded or cordless. don’t have a air compressor and I ain’t a dremmel fan plus don’t think it be gutsy enough for this application. ... Die grinder territory , hard to go past Dynabrade , just a wee tad spendy though. But when the hurt is over they are mighty versatile , you wonder how you ever got by without a few of them , either straight , angled or 90 degree , and so many discs and burrs to choose from too.
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KMS Tools & Equipment
kmstools.com › power-tools › grinders-grinding-wheels › angle-grinders.html
Angle Grinders - Grinders & Grinding Wheels - Power Tools
KMS Tools & Equipment | - Air Tools Autobody Hand Tools Air Compressors Construction Metalworking Tools Outdoor Tools & Equipment Power Tools Safety Equipment Shop Equipment Tool Boxes Welders Woodworking Hot Deals Classes and Gift Cards C.A.R. Parts Air Nailers and Staplers Gift Ideas Cordless Power Tools Clearance Featured Brands Featured Products
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Reddit
reddit.com › r/tools › angle grinder buying advice? variable speed, diameter, etc
r/Tools on Reddit: Angle grinder buying advice? Variable speed, diameter, etc
June 5, 2021 -

It's been 20+ years since I last used a small angle grinder for small welding jobs. I'm looking to buy one for occasional DIY, but see a wide range of power specs, and a pretty wide range of prices too. My main use is small welding jobs (furniture, repairing a fence, etc) and removing rust before painting, e.g. a metal fence. Any advice would be appreciated!

Size: 115 (4.5") vs 125 mm (5") seems like a small difference, but even a single manufacturer (Bosch) offers a bunch of versions in each size. Does it matter? Are disks more readily available in one of those sizes?

Power/amps: how much do I need?

Variable speed: how useful is this feature? Saw some claims that running at low speed can lead to burnout due to insufficient cooling? Intuitively, I like the idea of being able to drop the speed down for say removing rust, but maybe it's not necessary?

Anything else to look for?

Top answer
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Everyone has their own opinions on grinders, so take mine with a grain of salt. 4.5/5" grinders are by far the most common. However I find myself using a 6" grinder more often. However, I don't think I would be happy with ONLY a 6" grinder, because many attachments (wire wheels, cup wheels, diamond grinding wheels, etc) will only fit a 4.5" grinder. So if I were to only get one, I would probably go with a 5"/125mm grinder. A 5" cutting or grinding wheel really does make a noticeable difference vs. a 4.5 wheel. There are very few times where you would really use a variable speed grinder. Such as polishing stone/concrete. Even then, you could probably get away with a full speed grinder and be easy, or ghetto mount the polisher to a drill, etc. Overall, I don't think variable speed grinders are worth their price premium. When using the grinder for the most common tasks (grinding, wire wheel, cutting) you definitely want full speed, I don't see any benefit to doing any of those tasks at less than full speed. I think you should have at least 6 amps (800W) of power. 8+ amps is preferable. I use 14A grinders exclusively and love the extra power. I'm a big fan of paddle handle grinders, but again, to each their own. Locking paddle handles are kind of the best of both worlds, but they're not very common due to OSHA requirements.
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4.5” or 5” isn’t a big difference, as long as the wheels you need are readily available. I wouldn’t go bigger. Variable speed is a great feature if it doesn’t increase the price a lot. Wire wheels flick off wires a lot at full speed, so if you can lower the speed and avoid that you’ll be loving life more. The big sticking point will be a personal one- switch type and position. Some people like slide slide switches, some people like paddle. Some manufacturers put their switches in weird locations that force you to turn it on and adjust your grip every time. Go to the store and play with a bunch to see what you like.