- Ingersoll Rand 301B Air Die Grinder – 1/4", Right Angle, 21,000 RPM, Ball Bearing Construction, Safety Lock, Aluminum Housing, Lightweight Power Tool, Black

Short version: I bought two of these in Feb 2018 for use at my business. They're still going strong and work great. Long version: The HF cheapie die grinders are fine for the guy at home using them once in a blue moon, but they don't hold up at all for regular use. I wanted to get something better than the HF junk but was not willing to spend hundreds for a true "industrial" model. These have fit the bill perfectly. Both units are primarily used with roloc pads doing general metalwork. One has a 3" roloc and is primarily rough sanding. The other has a 2" roloc with some sanding but is primarily used for deburring and polishing with scotchbrite pads. For how we use them power is never an issue but speed modulation is very important. These have been great for that. Interestingly, the more expensive IR models I considered have multiple reviews complaining about a lack of speed control, but I've had no complaints with this model. The front exhaust has been a plus for our use. But, I do not have auto-oilers on our shop lines. We just manually add a few drops once in a while (probably far less frequently than we should). They are not used all day every day like a production fab shop, but they definitely see daily use. Honestly though, if you're using a tool for multiple hours every day you should be buying WAY more expensive industrial level air tools. As others have mentioned, the collets do have a tendency to stick. This hasn't really been an issue for us. We're not changing things that often and when we do they break loose with a tap after loosening the nut sufficiently. In summary, at this price point I can't imagine a better bang for the buck. They're good quality yet still very affordable. Speed modulation is great. They are compact and light weight. They have a study, solid feel to them, not loose and sloppy like the HF tools. I will definitely buy these again if we need more.

I like the size and feel, very comfortable to work with and performs flawlessly. Just make sure you have a quality compressor with good psi. Ingersoll Rand is a quality brand and this represents good value.

Works well. Nice little grinder.

A fantastic right angle die grinder, just make sure you have the volume and cfm's required. I run it off a 130psi 20 gallon 6.5cfm compressor and it works intermittently. Which is good enough for my needs. I run it at 90PSI at the regulator. Spins fast, doesn't vibrate a whole lot and has plenty of power. It's also a nice fit in the hand.

A little uncomfortable to use for long periods, you’ll want a good pair of gloves. But the power is unmatched for a tool of this size.

Has been working hard for me as a full-time tech for over a year, still going strong. I have gone through many, many wire wheels/cups in the meantime. The trigger lockout can be a touch annoying at times though, and don't expect this to be a powerhouse.

No problems so far with this die grinder. It is what was wanting for light smaller projects.

It's Ingersoll Rand. Nuff said.

Car fix

Ingersoll Rand is at the top end of quality when it comes to air tools you won't be disappointed 10/10

Thanks good stuff

buen producto

Definitely an used item sold as new, dents and scratches from the box. Missing 6mm collet, only has the 1/4" one. Buy at your own risk.