TEENO Grinders & Cut-Off Tools · 3 in disc · 2 x 2.0 Ah batteries · 7 options

TEENO 3″ Mini Angle Grinder

4.0 out of 5 · 1,165 ratings

$26.99Light Gray, 16.8 V brushless

Version: Light Gray, 16.8 V brushless

  • 16.8V / 21Vcordless
  • 19,500RPM max
  • 3 indisc
  • 2×2.0 Ahbatteries

$26.99

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  • 19,500 RPM on a 3 in disc
  • Two 2.0 Ah batteries and a charger
  • Six discs for metal, wood and tile
  • Guard turns up to 90°

Our most rated tool. A 3-inch cut-off grinder small enough to hold in one hand, spinning at 19,500 RPM. Every version comes with two batteries, a charger and six discs for metal, wood and tile.

Fit

Who the 3″ mini angle grinder suits

A good fit if

  • You cut bolts, rod, thin pipe and tile edges
  • You work in tight spots under a sink or a car
  • You want a spare battery in the box

Look elsewhere if

  • You grind heavy welds for an hour at a time
  • You need to cut deeper than a 3 in disc reaches
  • You want to use 4-1/2 in discs you already own

Facts

TEENO 3″ Mini Angle Grinder: the numbers

Disc size
3 in
Top speed
19,500 RPM
Voltage
16.8 V or 21 V, by version
Batteries
2 x 2.0 Ah
Discs and blades in the kit
6
Body size
7.8 x 3.1 x 2.0 in
Guard
Adjusts up to 90°
Storage
Hard case
Charger
Charger included
Power
Cordless
Versions
7 to choose from

3″ Mini Angle Grinder or 5″ Brushless Angle Grinder

3-inch mini grinder or 5-inch grinder?

Pick the 3″ Mini Angle Grinder for one-hand cuts in tight places at $26.99. Pick the 5″ Brushless Angle Grinder when you grind welds and rust over a wide area and want 4-1/2 or 5 in discs.

Compared3″ Mini Angle Grinder5″ Brushless Angle Grinder
PowerCordlessCordless
Voltage or motor16.8 V or 21 V, by version21 V brushless
Top speed19,500 RPM8,500 RPM
Disc, bit or blade3 in4-1/2 in and 5 in
Batteries2 x 2.0 Ah2 x 4.0 Ah
Options71
Buyer rating4.0 out of 5 · 1,1654.7 out of 5 · 20
Pricefrom $26.99$76.49

See the 5″ Brushless Angle Grinder

Buyers

What buyers say about the 3″ mini angle grinder

4.0out of 5 · 1,165 ratings

Perfect for small projects

This is a brilliant small grinder! The batteries last a while and I love that it comes with two of them. It also comes with lots of different blade options and has made my small handyman project super easy to do! I finished my chicken run metal roof using this grinder and it worked perfectly. I highly recommend!

Mele N Miyasaki · September 16, 2026 · Color: Red

Very good

I’m very impressed with this cordless angle grinder. It has good power, feels comfortable in the hand, and the two batteries are really convenient for longer jobs. I also like that it comes with several different discs and accessories, plus a carrying case. Great value for the price and perfect for DIY and small metalworking projects.

Yurian malagon marquez · September 28, 2026 · Color: Dark Red

Great little grinder with surprising power.

I originally bought this for a small, one‑time project, but it’s ended up being useful for a lot more. I’ve used it for several jobs, including cutting through an iron fence, and despite its compact size it worked like a champ. The battery lasts a long time, and having a spare included is a big plus. Solid value and performance for a cordless mini grinder.

A buyer · September 28, 2026 · Color: Red

Works very well for what I needed it for!

Works very good. Use it on my goat hoofs and other odd and end projects.It came with 2 battery's. Only one battery works. Tried charging and still won't work.At least one battery works! Other than that its a very good product.3 stars because of the battery.

Linda · October 13, 2026 · Color: Gray

Questions

Questions about the 3″ mini angle grinder

How fast does the TEENO mini grinder spin?

Up to 19,500 RPM. Use discs rated at or above that speed. The six in the kit are made for it.

What is the difference between the 16.8 V and 21 V mini grinders?

Both take a 3 in disc and spin up to 19,500 RPM with two 2.0 Ah batteries. The 21 V versions add an LCD battery display, and the 16.8 V brushless versions add an LED light.

Can the mini grinder cut tile?

Yes, for edges and short cuts. The kit has 6 discs, including one for tile. For long straight cuts in tile, the 3″ Mini Circular Saw with its plunge base keeps the line better.

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TEENO 3″ Mini Angle Grinder, Light Gray, 16.8 V brushless, product photo

$26.993″ Mini Angle Grinder

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