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Ingersoll Rand

Ingersoll Rand 307B 1/4” Air Die Grinder, Straight, 28,000 RPM, 0.25 HP, Ball Bearing Construction, Safety Lock, Aluminum Housing, Lightweight Power Tool

  • Based on 3,279 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, May 16
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Size: Metal Housing


Style: Straight


Features

  • POWERFUL AIR GRINDER: Invest in quality with the Ingersoll Rand 307B straight-angle Air Die Grinder. This grinder tool boasts a powerful vane motor delivering 0.25 hp at 28,000 rpm. Its ideal for grinding, deburring, and polishing tasks.
  • CONVENIENT LIGHTWEIGHT TOOL: This straight die grinder features a light, compact design to fit into tight spaces. It includes 2 wrenches and 1/4" and 6 mm collets for compatibility with various attachments.
  • HEAVY-DUTY CONSTRUCTION: This tool is built with ball-bearing construction and a robust aluminum housing for balance, reduced vibration, and equipment longevity, even in tough conditions. It has a built-in lubricating wick that increases gear life.
  • SAFETY FEATURES: Get power and safety in one package with this handheld air grinder tool. It features an integral safety-lock throttle lever to prevent accidental system start-up and a front exhaust that helps keep your work surface clean.
  • UNLOCK YOUR POTENTIAL: For 160 years, Ingersoll Rand has been committed to making life better by creating innovative, durable, and quality tools. Our legacy is reflected in every product we make.

Description

The Ingersoll Rand 307B Air Die Grinder is a reliable workhorse designed for versatile applications. Whether it’s porting, weld grinding, deburring, or polishing, this grinder is built to deliver exceptional performance wherever it’s needed. Its compact design allows for easy maneuverability and access to tight spots, making it a valuable addition to any tool kit. It comes with 2 wrenches and 1/4" and 6 mm collets for compatibility with a variety of attachments. It’s powered by a robust motor that delivers 0.25 hp (0.19 kW) at 28,000 rpm, so it packs a punch while remaining lightweight and easy to handle. Constructed with durability in mind, the 307B features ball-bearing construction for improved balance, reduced vibration, and extended tool life. Its strong aluminum housing can withstand harsh operating conditions, ensuring reliability and longevity. Plus, its integral safety-lock throttle lever prevents accidental start-ups for user safety, and its front exhaust design helps keep your work surface clean. Whether you’re a professional mechanic, a metalworker, or a DIY enthusiast, the Ingersoll Rand 307B Air Die Grinder is the perfect tool for tackling a wide range of tasks with ease and efficiency. Ingersoll Rand is a trusted name in industrial innovation and excellence. With a rich legacy spanning over a century, Ingersoll Rand has continuously pushed the boundaries of engineering to deliver cutting-edge solutions that power progress across industries worldwide.

Manufacturer: ‎Ingersoll Rand


Part Number: ‎IRC-307B


Item Weight: ‎11.7 ounces


Product Dimensions: ‎5.19 x 1.34 x 2.4 inches


Country of Origin: ‎China


Item model number: ‎307B


Is Discontinued By Manufacturer: ‎No


Size: ‎Metal Housing


Color: ‎Chrome


Style: ‎Straight


Material: ‎Other


Power Source: ‎pneumatic-powered


Wattage: ‎15 KW


Item Package Quantity: ‎1


Special Features: ‎compact


Included Components: ‎Tool, (2) Wrenches, 6mm Collet and Manuals


Batteries Included?: ‎No


Batteries Required?: ‎No


Warranty Description: ‎1-year


Date First Available: July 11, 2012


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • 3 years business use and still going strong. Detailed long term review.
Size: Metal Housing Style: 301B - Air Angle Die Grinder
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. ... show more
Reviewed in the United States on February 6, 2021 by Jason
    • Great product
Size: Metal Housing Style: Straight
My 20 + year old IR died and my cheap replacement/spare was so loud I couldn't use it. Thankful to have another IR die grinder....SO QUIET !!!
Reviewed in the United States on December 16, 2024 by Steve Taylor
    • Good tool
Size: Composite Housing Style: Right Angle Kit
These are expensive but are good quality, make sure you have a big enough air compressor.
Reviewed in the United States on June 19, 2024 by Al
    • Well worth the money
Size: Metal Housing Style: 301B - Air Angle Die Grinder
I am a Toyota technician and use this all the time and in has not let me down ever. I have 3 of these one at home and two at my job so I don't have to switch from wire brush to roll lock cleaning disc.
Reviewed in the United States on January 16, 2025 by David Ashford
    • Awesome size, awesome performance - only taking off one ...
Size: Metal Housing Style: Straight
Awesome size, awesome performance - only taking off one star because I had to take off the bottom hex fitting and put some sealant tape and thread locker on it and put it back together, cuz it leaked rather badly out of the box. No biggy really, but putting it in a vice with some rags to get the stupid fitting off was more of a pita than it really should have been, since the flat spot on the handle isn't really sufficient to do that with. Also, the speed adjustment doesn't make much sense. The screw either has it at high or low, there's no in between, and I'm not even sure at this point how far in or out the screw actually is, it doesn't really stop in either direction. Not very straight forward at all. To be fair, the high and low settings are pretty much what you would need, but I wish this could go a LITTLE slower, like 20% slower at the slowest setting. Still holds up to the ones my friends have that they paid double/triple for, so it's a great bargain, probably the best you will find on an air die grinder. Awesome for porting heads with. Can't comment on air requirements, I have a giant 60g air compressor pumping 90psi into it with no problems. After ~2 minutes straight of grinding at full, the compressor will kick on for like a minute and fill back up, whatever that tells ya. ... show more
Reviewed in the United States on March 2, 2017 by vince
    • Ingersol
Size: Composite Housing Style: Straight
Review Image by mohd nor mohd nor
Review Image by mohd nor mohd nor
Thank seller.quality ok.heavy duty.recommended👍
Reviewed in the United States on January 7, 2025 by mohd nor mohd nor
    • Lightweight and efficient
Size: Composite Housing Style: Straight
I'm a welder and I'm very picky on hand tools, but this certainly has been a good add to the toolbox
Reviewed in the United States on December 12, 2024 by Brian Fink
    • IR Die Grinder
Size: Metal Housing Style: 301B - Air Angle Die Grinder
I've only used this once so far. I still oil it and fire it up on the air line from time to time to make sure its working. I started replacing my older air tools with IR air tools and so far they work great. I have both this angle grinder and the straight grinder for whatever may come down the road (better safe than sorry). I also have a few of their air ratchets as I do my own automotive work. For the price you can't really beat it. I mostly work on my own vehicles so these don't see the normal abuse as they would in a shop environment but they are still holding up after at least 6-7 years of ownership. ... show more
Reviewed in the United States on January 9, 2023 by JonasWhitley

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