Milwaukee 2686-20 M18 Brushless Cut-Off Grinder
- 18 volts, M18 FUEL brushless
- 11000 RPM maximum speed
- 4-1/2 and 5 inch wheel class
- Angled style body
- 12.87 inches long
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A cordless brushless cut-off grinder with a high stated speed for metal work. The weight field is clearly wrong, and the box contents are unclear.
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ASIN: B0C5XXMC95Model: 2686-20Category: Power Grinders
Overview
Cutting and grinding metal is the job of this cordless angled tool, a brushless cut-off grinder from the Milwaukee M18 FUEL line. The body is metal and plastic in red and black.
A high stated speed and a brushless motor suit cutting and grinding on a job site without a cord. The limitation is that the weight reads as a few ounces, which cannot be right, and the battery details are missing.
Who it's for
Job site metal cutting and general grinding suit a cordless cut-off grinder. Anyone sensitive to tool weight should look for a corrected listing.
Pros and cons
- High stated speed
- Metal and plastic body
- Weight field is wrong
- Battery inclusion unclear
- Guard details missing
Performance notes
A brushless motor holds wheel speed under load and the wheel diameter sets cutting depth. The battery sets run time. The listing gives a speed but no torque figure.
Specifications
| Brand | MILWAUKEE |
|---|---|
| Model | 2686-20 |
| Dimensions & fit | |
| Item Dimensions L X W X H | 12.87"L x 10.71"W x 4.29"H |
| Item weight | 3.75 Ounces |
| Capacity & performance | |
| Maximum Rotational Speed | 11000 RPM |
| Power & efficiency | |
| Power Source | Battery Powered |
| Voltage | 18 Voltslower than 78% of 97 power grinders |
| Construction & materials | |
| Material Type | Metal, Plastic |
| Color | Red/Black |
| Included components | |
| Included Components | Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 |
| Unit Count | 1.0 Count |
| Warranty & support | |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Other details | |
| Style Name | Angled |
| Item Type Name | M18 FUEL Brushless 4-1/2 / 5 Cut-Off Grinder |
Closest rivals on specs
Frequently asked questions
Which batteries fit the Milwaukee 2686-20?
The item type names the M18 FUEL line, so M18 batteries are the likely match. Confirm with the seller.
Is the Milwaukee 2686-20 weight really 3.75 ounces?
No. That figure cannot be right for a cordless grinder, so check the weight before ordering.
What wheel size does the Milwaukee 2686-20 take?
The item name says 4-1/2 / 5 inch.
Does the Milwaukee 2686-20 include a battery?
The listing does not name one.