Milwaukee Angle Grinders: Models, Specs, and Pricing
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Milwaukee builds M18 FUEL angle grinders with RAPIDSTOP braking, which stops the disc in under 2 seconds when you release the paddle switch. The 2780-20 is the standard model. The 2785-20 handles larger discs.
Milwaukee M18 (18V) Platform
Standard M18 batteries work in both models. High-output packs (8.0Ah, 12.0Ah) are recommended for the 2785-20 to avoid mid-cut power drops.
Current Models
Milwaukee 2780-20
2780-20
M18 FUEL with RAPIDSTOP braking. The safety feature alone justifies the price over cheaper models.
Milwaukee 2785-20
2785-20
Large-disc grinder for heavy cutting and concrete work. Needs a high-output M18 battery.
Specs at a Glance
| Spec | 2780-20 | 2785-20 |
|---|---|---|
| disc | 4-1/2" to 5" | 7" to 9" |
| rpm | 8,500 | 6,600 |
| switch | Paddle with RAPIDSTOP | Paddle with RAPIDSTOP |
| weight | 4.8 lbs | 8.7 lbs |
| Price | $149 bare | $249 bare |
Frequently Asked Questions
Is RAPIDSTOP worth the price premium?
Yes. A spinning grinder disc is one of the most dangerous things in a shop. RAPIDSTOP halts the disc in under 2 seconds versus 5 to 8 seconds for a standard grinder. For the $20 premium over comparable models, it's a no-brainer safety upgrade.
Can I use the 2780-20 for cutting metal?
Yes. With a cutting disc or cutoff wheel, it handles conduit, rebar, angle iron, and sheet metal. Switch to a grinding disc for weld prep and surface finishing.