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Harbor Freight
harborfreight.com › home › power tools
Grinders - Harbor Freight Tools
Harbor Freight Tools grinders come in a variety of sizes and power options, including corded and cordless models, to meet the needs of any job. In addition to the grinders themselves, Harbor Freight Tools also carries a range of grinder stands and accessories.
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Harbor Freight
harborfreight.com › home › power tools › grinders
Angle Grinders - Harbor Freight Tools
Harbor Freight has a great selection of heavy duty, cordless and corded angle grinders to fit your budget and the demands of your project. Grind, cut, and clean with angle grinders from Bauer, Hercules, and Chicago Electric.
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Harbor Freight
harborfreight.com › home › power tools › grinders › angle grinders › 4-1/2 in. angle grinders
20V Brushless Cordless, 4-1/2 in. Slide Switch Angle Grinder - Tool Only
20V Brushless Cordless, 4-1/2 in. Slide Switch Angle Grinder - Tool Only
The BAUER™ 20V Brushless Cordless, 4-1/2 in. Angle Grinder delivers up to 10,500 RPM to tackle most grinding applications. Spindle lock for fast, easy wheel changes. This angle grinder is the ideal choice for metal grinding, shaping, and sanding. Powered by the BAUER™ lithium-ion battery system.
(4.6)
Price   $39.99
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Harbor Freight
harborfreight.com › power-tools › grinders › angle-grinders › 4-1-2-in-corded.html
Harbor Freight | Whatever You Do, Do It For Less
Harbor Freight buys their top quality tools from the same factories that supply our competitors. We cut out the middleman and pass the savings to you!
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Harbor Freight
harborfreight.com › home › power tools › grinders › angle grinders › 4-1/2 in. angle grinders
20V Cordless, 4-1/2 in. Slide-Switch Angle Grinder - Tool Only
20V Cordless, 4-1/2 in. Slide-Switch Angle Grinder - Tool Only
The BAUER™ 20V Cordless, 4-1/2 in. Angle Grinder delivers up to 7000 RPM to tackle most grinding applications. Powered by the BAUER™ lithium-ion battery system.
(4.4)
Price   $34.99
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Harbor Freight
harborfreight.com › home › power tools › grinders › angle grinders › 4-1/2 in. angle grinders
20V Brushless Cordless, 4-1/2 in./5 in. Paddle-Switch Angle Grinder - Tool Only
20V Brushless Cordless, 4-1/2 in./5 in. Paddle-Switch Angle Grinder - Tool Only
Powered by a high-efficiency brushless motor, the HERCULES® 20V Brushless Cordless Angle Grinder maintains constant power in the toughest grinding and cutting applications. The compact, lightweight frame, the 2-position side handle and the lock-on switch provide ultimate comfort and control during extended periods of use. Powered by the HERCULES® Lithium Battery System, this brushless grinder goes where the job takes it.
(4.8)
Price   $79.99
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Harbor Freight
harborfreight.com › home › power tools › grinders › angle grinders › 4-1/2 in. angle grinders
20V Brushless Cordless, 4-1/2 in./5 in. Slide-Switch Angle Grinder - Tool Only
20V Brushless Cordless, 4-1/2 in./5 in. Slide-Switch Angle Grinder - Tool Only
Powered by a high-efficiency brushless motor, the HERCULES® 20V Brushless Cordless Angle Grinder delivers up to 45% more runtime, along with 20% more power.* This grinder maintains constant power in the toughest grinding and cutting applications. The compact, lightweight frame, 2-position side handle, and lock-on switch provide ultimate comfort and control during extended periods of use. Powered by the HERCULES® Lithium Battery System, this brushless grinder goes where the job is.
(4.7)
Price   $79.99
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Harbor Freight
harborfreight.com › home › power tools › grinders › die grinders › cordless die grinders
12V Brushless Cordless, 1/4 in. Right-Angle Die Grinder - Tool Only
12V Brushless Cordless, 1/4 in. Right-Angle Die Grinder - Tool Only
This HERCULES® 12V Brushless Cordless, 1/4 in. Right-Angle Die Grinder has a high-performance brushless motor that delivers speeds up to 25,000 RPM to grind, sand, polish, and machine the toughest materials. The lightweight construction reduces user fatigue. The compact size makes this grinder easy to use in confined spaces. Powered by the HERCULES® Lithium-Ion Battery System, this brushless grinder goes where the job takes it.
(4.9)
Price   $59.99
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Harbor Freight
go.harborfreight.com › coupons › 2021 › 04 › 175433-60656
CHICAGO ELECTRIC Corded 1/4 in. 4.3 Amp Long Shaft Die Grinder for $29.99 – Harbor Freight Coupons
July 13, 2021 - Save $79 by shopping at Harbor Freight. This die grinder has an extended shaft for extra reach in molds, cylinders and other hard-to-reach areas. The durable 4.3 amp motor delivers high speeds to 25000 RPM.
Find elsewhere
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Harbor Freight
go.harborfreight.com › coupons › 2020 › 02 › 60372-54403003
CHICAGO ELECTRIC Corded 4-1/2 in. 5 Amp Angle Grinder for $16.99 – Harbor Freight Coupons
June 23, 2020 - Save 41% by shopping at Harbor Freight. This angle grinder has a powerful ball-bearing motor that provides smooth-running power to tackle metal cutting, shaping and slag removal. Features include tough aluminum construction for durability, a ...
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Reddit
reddit.com › r/harborfreight › cordless hercules angle grinder - worth it or no?
r/harborfreight on Reddit: Cordless Hercules Angle Grinder - Worth it or No?
March 23, 2024 -

Interested in the Hercules Cordless Hercules Angle Grinder that has the on/off switch and NOT the one with the pressure grip squeeze handle. Had been looking at major brand names for a larger upcoming project when family member suggested I consider Harbor Freight Tools. Wanting to know if anyone has had good or bad experiences, any battery issues or charging issues?
Angle Grinder will be used with wire brushes and pads to remove rust from large trailer that was parked out in the elements so I am able to repaint the trailer after rust has been removed.

Potentially interested in continuing pieces from Hercules line as well such as eventually adding a circular saw, drill, and sander depending on if the line is worth it.

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Reddit
reddit.com › r/harborfreight › what is the best cordless grinder that harbor freight offers. any deals with batteries chargers ect? anyone have a coupon i can have? thank you
r/harborfreight on Reddit: What is the best cordless grinder that harbor freight offers. Any deals with batteries chargers ect? Anyone have a coupon I can have? Thank you
October 30, 2022 - A sub-reddit dedicated to Harbor Freight and reviewing their tools. ... The Hercules and bauer brushless grinders are basically identical, Herc might be slightly more powerful but it might be the bigger batteries. I use both in professional automotive and fab work and haven’t crapped either out yet in a year. I still use the corded dewalt to really grind fat welds because they spin faster and are slightly more powerful, but for most tasks these cordless grinders have been surprisingly stout compared to the crappy Ryobi I got.
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Harbor Freight
harborfreight.com › home › power tools › grinders › die grinders › cordless die grinders
20V Brushless Cordless, 1/4 in. Die Grinder - Tool Only
20V Brushless Cordless, 1/4 in. Die Grinder - Tool Only
HERCULES™ Brushless Cordless 1/4 in. Die Grinder is powered by a high-efficiency brushless motor that delivers speeds up to 18,000 RPM. The die grinder maintains constant power in the toughest grinding, sanding, polishing, and deburring jobs.
(4.5)
Price   $69.99
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Harbor Freight
harborfreight.com › home › hercules
Hercules Grinders - Harbor Freight Tools
Find Your Local Harbor Freight Store · 2 Items · All Hercules · 2 Items · Best Match · Top Rated · Price Low · Price High · Hercules(2) Please choose a rating · $50 - $100(2) 12V(1) 20V(1) No(2) $59.99 · Add to Cart Add to List · $69.99 · Add to Cart Add to List ·
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Harbor Freight
harborfreight.com › home › power tools › grinders › angle grinders › 4-1/2 in. corded angle grinders
7 Amp, 4-1/2 in. Slide-Switch Angle Grinder
7 Amp, 4-1/2 in. Slide-Switch Angle Grinder
The BAUER™ 4-1/2 in. 7 Amp Angle Grinder was built for general grinding and cutting applications. The high-performance 7 amp motor delivers up to 11,000 RPM for fast material removal. The adjustable 2-position side handle and ergonomic slim body design with slide switch provide maximum comfort during extended periods of grinding and cutting. A tool-free guard and spindle lock provide fast on-the-job wheel changes, minimizing downtime. This grinder is optimized for grinding, cutting, and shaping.
(4.7)
Price   $29.99
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Reddit
reddit.com › r/homeimprovement › thoughts on harbor freight angle grinder
r/HomeImprovement on Reddit: Thoughts on Harbor Freight Angle Grinder
October 19, 2021 -

Hey everyone!

I've moved a few walls in my basement which were nailed into the concrete ground. The nails were mostly cut through and flush with the concrete. A few have a bit of a jagged edge sticking out yet though. I've tried a few different techniques with tools I have on hand but no luck.

So I'm looking at a really cheap angle grinder from Harbor Freight. $10 cheap. Couldn't figure out hyperlink, sorry :(

https://www.harborfreight.com/43-amp-4-12-in-slide-switch-angle-grinder-69645.html?utm_source=google&utm_medium=cpc&utm_campaign=12126402660&campaignid=12126402660&utm_content=118355052953&adsetid=118355052953&product=69645&store=356&gclid=EAIaIQobChMIiPKTqJ3V8wIVbWpvBB0m5ADkEAQYAiABEgLFrvD_BwE

I only need it for these like 2 nails (seriously 2) and then I have no idea when I would use it next. It just feels too cheap, too good to be true, even with great reviews... these nails are 1/4 diameter btw. So, what do y'all think?

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Reddit
reddit.com › r/tools › harbor freight angle grinder or spend more?
r/Tools on Reddit: Harbor Freight Angle Grinder or Spend More?
August 3, 2025 -

I would like to repair my Mustang’s frame rail rot and shock tower rust. The standard procedure is to cut out the bad areas and weld in new patches from repair kits (it’s a rite of passage).

Should I get a cheap corded 4.5” angle grinder from Harbor Freight, spend more on a corded brand, or spend even more on a cordless brand? (I currently have the Milwaukee Fuel impacts and ratchets).

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Harbor Freight
harborfreight.com › home › power tools › grinders › die grinders
Corded Die Grinders - Harbor Freight Tools
Find Your Local Harbor Freight Store · 1 Item · All Die Grinders · 1 Item · $79.99 · Add to Cart Add to List ·
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Harbor Freight
harborfreight.com › home › power tools › grinders › die grinders
Cordless Die Grinders - Harbor Freight Tools
Find Your Local Harbor Freight Store · 2 Items · All Die Grinders · 2 Items · Best Match · Top Rated · Price Low · Price High · Hercules(2) Please choose a rating · $50 - $100(2) 12V(1) 20V(1) No(2) $59.99 · In-Store Only · In-Store Only Add to List ·
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Harbor Freight
harborfreight.com › home › power tools › grinders › angle grinders › 4-1/2 in. angle grinders
4.3 Amp, 4-1/2 in. Angle Grinder with Slide Switch
4.3 Amp, 4-1/2 in. Angle Grinder with Slide Switch
The WARRIOR™ 4.3 Amp, 4-1/2 in. Angle Grinder quickly removes stock for efficient shaping, grinding, and metal cutting. The 4-1/2 in. angle grinder has a 4.3 amp motor that delivers 12,000 RPM and features an aluminum gear case for durability. The 2-position auxiliary handle adjusts to left or right hand use.
(4.4)
Price   $14.99