Professional Tool Reviews for Pros


Dremel Cordless Oscillating Multi-Tool Review MM20V

Dremel MM20V MultiMax Oscillating Multi-Tool Review

Dremel Cordless Oscillating Multi-Tool Leads Off 20V System

Dremel isn’t known for its cordless tools the way other brands are, but they have been a solid value in the oscillating multi-tool department. With a 20V lineup beginning to emerge, we got our hands on the Dremel cordless oscillating multi-tool to see how it compares to models such as the MM45 and MM50.


Pros

  • Low vibration
  • Angled head for better access in tight workspaces
  • Variable speed dial
  • Comfortable rubberized barrel grip

Cons

  • Accessory changes can be slow
  • Dust extractor attachment not very effective
  • No LED light
  • Not very many compatible 20V tools at the moment

Dremel Cordless Oscillating Multi-Tool Performance

The Dremel MM20V’s speed ranges from 10,000 to 20,000 OPM using a variable speed dial separate from its slide switch and opens up with a soft start. That puts it right up there with some of the best names in the business. The oscillation angle is a more tame 3.2°. There’s nothing wrong with that, but many professional models have shifted to 3.6° swings or higher to get faster performance.

Dremel MM20V MultiMax Oscillating Multi-Tool Review

That said, the tool cuts and sands very efficiently and there’s remarkably little vibration near the middle section of the handle. However, we did notice an increase in vibration towards the front and back of the tool especially when we were running at a slower speed.

Even though it’s not as fast as some of the best oscillating tools we’ve tested, we’re not at all disappointed by the work rate.

Dremel Cordless Oscillating Multi-tool Design Notes

Ergonomics

Personally, I really like the look and feel of this oscillating multi-tool. The barrel-style grip resists bulking up too much in the center and overmold combines to give the tool a secure, comfortable grip. You can easily operate it with one hand or use two hands when precision is key.


Dremel MM20V MultiMax Oscillating Multi-Tool Review

The weight of the tool is very reasonable. Bare, it’s 2.6 pounds and the 2.0Ah battery brings it up to 3.4 pounds.

Angled Head

As we saw on the MM50, Dremel brings its angled head design to the MM20V. The design provides an improved sightline and allows better access while working in cramped quarters. It does take some getting used to if you’re coming from traditional designs, though. It has the tendency to drift away from your cut line if you’re not vigilant so we recommend practicing on some scrap material as you’re getting used to it.

Dremel MM20V MultiMax Oscillating Multi-Tool Review

Accessory Changes

Changing accessories isn’t too difficult and it’s completely tool-free. It’s not as simple as Starlock or clamping-style systems, though.

You need to first unscrew the knob on top. Its star shape makes it easy to grip with or without gloves. Once it’s loose, push down until the lower bolt is out of the way, load your accessory, and reverse the process.

Accessory Change

Dust Port Adapter

Dremel includes a dust port adapter to help capture dust that might otherwise go airborne. We had mixed results in our testing. It is capable of collecting fine dust, but you need some pretty high CFMs for it to be effective. Smaller vacuums don’t do as well.

Dremel Cordless Oscillating Multi-Tool Price

The Dremel MM20V retails for $149.00 as a kit that includes a single 2.0Ah battery, charger, vacuum attachment, three blades, and a storage bag. Dremel backs the tool with a 2-year limited warranty against manufacturer defects.

The Bottom Line

Once again, Dremel scores well in value with a cordless oscillating multi-tool kit you can snag for under $150. Its performance and design fit well for DIY home repair and remodeling jobs, or even for Pros that need something for occasional use. The big consideration at this point is the low number of tools that run on the same battery. It’s something you’ll want to consider if you’re building out a larger cordless tool collection.

To explore the full Dremel lineup, click here.

Dremel Cordless Oscillating Multi-tool Specifications

  • Model: Dremel MM20V
  • Power Source: Dremel 20V Max battery
  • Speed Range: 10,000-20,000 OPM
  • Oscillation Arc Range: 3.2°
  • Weight: 2.63 lbs. (bare) 3.38 lbs. (with 2.0Ah battery)
  • Tool Length: 12.75 in.
  • Warranty: 2-year Limited Warranty
  • Price: $149 (kit)

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