If you are looking a grinder that has comfort and is an easy to use tool to operate in various sort of positions then you need the Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock. It has an addle-switch design and a REDLINK PLUS intelligence feature – this specification provides optimized performance, electronic clutch, and overload protection.
It has a seamless communication system between the tool, battery and charger which enables overload protection. This tool’s battery and power to grind is exceptionally great. The metal housing and gearing system is a validation of its claim of durability. Its features make it a high performance corded grinder.
Summary
9.1/10
If you are looking for a grinder that works great and does its job effortlessly you need to buy the Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock. It’s priced at a reasonable amount and gives you performance just as you want. This grinder capability is the same as a corded grinder’s and it gives you portability at the same time.
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Powerful, stronger and lighter
Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock is a grinder that actually works and gets the job done. Just like their previous models, the person using the tool can change guards or positions on the guards without using any other tool. Milwaukee has a brushless motor and a 4.0 A/h battery to give a longer run time, greater power/torque and a longer life. The capacity is either 4-1/2” or 5”.
The grip is just amazing – this is because the handle is slim and has a nice grip because of the rubber material which helps in providing a better fit for the user. At the back of the tool, there is a protective screen to keep the metal fine and the dust away from the intake.
Better than the best
The best part of the Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock is that it has two screens. You will always have a spare one. Therefore, if you ever accidentally break your screen or lose it, you will always have an extra one to fall back on.
The biggest reason why it is suggested to this upgrade there is no cutting out and the power of this tool is more than enough to grind or cut materials. The fact that you get so much power without having the need drag around the cord is a deciding factor for many people. If you aren’t already convinced, I don’t know what else it will take.
Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock Price
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Specs and Features
- Length: 15”
- Weight: 5.8 lbs
- Tool warranty: 5 years
- Speed: 8,500 RPM
- Vibration Reduction: Yes
- Arbor size: 5/8” – 11
Pros
- Great balance
- Cordless grinder
- Paddle switch design
- World’s first cordless grinder with corded performance
- Metal housing and gearing system for legendary high performance corded grinders
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Cons
- Cannot completely replace corded grinders
Conclusion
If you are looking for a grinder that works great and does its job effortlessly you need to buy the Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock. It’s priced at a reasonable amount and gives you performance just as you want. This grinder capability is the same as a corded grinder’s and it gives you portability at the same time.
Its construction makes this tool a durable one and it’s not only easy to use and comfortable but also has an overload protection system in place. It is a must-buy grinder for all your workshop needs. Totally recommended.
Powerful, Stronger, and Lighter

Product Name: Milwaukee 2780-21 M18 FUEL 4-1/2" / 5" Grinder, Paddle Switch No-Lock
Product Description: Milwaukee Angle Grinder
Price: $$$
Currency: US
Availability: InStock
- Comfort - 8.8/108.8/10
- Durability - 9.0/109.0/10
- Ease of Use - 9.0/109.0/10
- Performance - 9.4/109.4/10
- Weight - 9.5/109.5/10
Summary
If you are looking for a grinder that works great and does its job effortlessly you need to buy the Milwaukee 2780-21 M18 FUEL 4-1/2" / 5" Grinder, Paddle Switch No-Lock. It’s priced at a reasonable amount and gives you performance just as you want. This grinder capability is the same as a corded grinder’s and it gives you portability at the same time.
Milwaukee 2780-21 M18 FUEL 4-1/2″ / 5″ Grinder, Paddle Switch No-Lock Image
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