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Introducing the Ingersoll Rand 3445MAX Air Angle Grinder, your ultimate companion for conquering the toughest tasks with ease and efficiency. This 4.5" wheel grinder is crafted to deliver maximum power, productivity, and reliability, making it a must-have tool for professionals in metalworking, construction, and beyond. Its 0.88 hp air motor provides 12,000 rpm, and the internal governor ensures speed consistency under load, supporting faster and safer work for unparalleled performance.
This power sanding tool is crafted with high-quality materials and built to withstand the rigors of heavy-duty use. Its enhanced grip design reduces fatigue during extended use, while its 3.5-pound weight provides the best power-to-weight ratio in its class. The grinder is designed with an innovative built-in lubricating wick that enhances lubrication to the bevel and pinion gear set, helping extend the gear life. Whether you’re cutting, grinding, or polishing, this electric tool will allow you to tackle a variety of materials with confidence, power, and precision. For optimal performance, ensure proper maintenance of the built-in lubricating wick and follow the recommended safety precautions outlined in the user manual.
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.
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Ingersoll Rand’s 4-1/2-inch-wheel 3445MAX air angle grinder delivers MAX power, MAX productivity, MAX comfort, and improved reliability needed to tackle the toughest material removal jobs in metalworking, construction, and more. Cut, grind, or polish a variety of materials – including metal and concrete – with confidence thanks to superior comfort and power.
3445MAX
Air Angle Grinder
At a Glance:
- Houses a .88-horsepower and 12,000-rpm motor
- Features a 6.4-meters-per-second-squared vibration level
- Has a 4.5-inch wheel that’s 1/4-inch thick (type 27)
- Dimensions: 9.6 inches long, 5.2 inches wide; weighs 3.37 pounds
Ingersoll Rand's 3445MAX air angle grinder is ideal for metalworking. Features
The 3445MAX’s .88-horsepower air motor with 12,000 rpm delivers the power needed to grind through the toughest jobs, and the internal governor maximizes speed under load, increasing the rate of material removal. Its built-in lubricating wick optimizes the life of the angle gear set by improving lubrication to the bevel and pinion gear set. The enhanced grip design increases operator comfort for extended usage, and its lightweight construction – it weighs less than 3.5 pounds – delivers the best power-to-weight ratio in its class.
About Ingersoll Rand
With a history dating back to 1871, Ingersoll Rand and its family of brands represents a proven history in construction, mining, industrial and commercial markets. Through acquisitions, innovations, and customer focus, today's Ingersoll Rand offers market-leading solutions and services that enable customers to create progress through a variety of industries and markets that touch everyday life.
What's in the Box
One Ingersoll Rand 3445MAX 4-1/2-inch air angle grinder.
Ingersoll Rand's 3445MAX air angle grinder provides maximum power and comfort. (Click each to enlarge)
Cooney Oei
Reviewed in Canada on May 9, 2023
Strong machine nand well made
Chase
Reviewed in the United States on February 25, 2023
Save your money and buy a chief angle grinder for ⅓ the price. This unit has little to no power (used at 95 psi with 1/2" air line) very slow to get to full rpm and bogs as soon as anything more then weight of tool is applied. Bought to replace a chief unit believing IR would be a better working tool but no.
James Palmer
Reviewed in Canada on July 12, 2021
Works good lots of power
Joseph T
Reviewed in the United States on March 8, 2021
Fantastic so far use it every day only issue was the Guard ,had to take it off it needs to be adjustable . Out of the box its only able to take a hard wheel , all the years I have been welding I built up a nice assortment of grinder parts and was able to put a sanding pad on . $80.00 for $200+ grinder that had a "Blemish" I couldnt find, is money well spent
Quit_Killing_Me
Reviewed in the United States on February 21, 2021
Buttery smooth. Plenty of torque. You can stall it if you try, but it has plenty of power to do the job. Close to my electrics grinders. No regrets
Customer
Reviewed in the United States on November 10, 2019
Ordered this for heavy duty winch deck de-rusting on a ship with 30 lifeboats with capacity of 150 persons each. Lots of davit sheaves, 60 davits, 30 winch motors, LHR12 hooks, etc. Ordered two of them, worked almost daily for hours at a time during two months with excellent results.After that project they got employed in fresh water tanks with same results.The tool is reliable, does the job and still works after five months in marine environment with little maintenance.
Stéphane
Reviewed in Canada on November 1, 2019
il est parfait ,de qualité industriel.
Daniel Morris
Reviewed in the United States on June 10, 2018
I originally got a snap-on grinder that was over $100 more but it had something wrong with it right out the box so I got a refund and bought this ingersoll which is the best air grinder I’ve ever bought. Looks function and feel is far more superior then anything I’ve used. It’s comes with a few tools for changing wheels and disc but there not difficult and not an issue at all.
P. MANDILAS
Reviewed in the United States on May 14, 2016
Considering that I've been in the metal trades for almost eighteen years, I would think my opinion would be beneficial to many when thinking to purchase a pneumatic angle grinder.Over the years I've experimented with an infinite number of pneumatic angle grinders. I'm certainly not green when it comes to the various brands available, and how they produce on the shop floor.The Ingersoll Rand brand has always made a reliable and we'll constructed product. And the 3445max is no exception. Perhaps a little pricey but we'll worth itIt's very comfortable and designed for a purpose. The lean body of the grinder allows the operator to use it with eaze over longer periods of time, without the same fatigue brought on by bulkier grinders. Vibration and noise is very low, and the amount of power it produces is more then sufficient to remove material, sand and finish. Throw on a Walter Zip Cut and you have yourself a impressive grinder.However, a truely unexplainable flaw on this grinder comes from the amount of work needed to change your discs. There's certainly no quick change here. You need your entire tool box when it's time to change a disc. Wrenches , Allen keys and 2 sets of arms for starters. Aside from that it's definitely worth a go. As a Millwright working in heavy industry this grinder gets put to use and it certainly holds his own . Thumbs up
HwyJam
Reviewed in the United States on April 24, 2015
I bought 2 of these. They both lack sufficient power. Changing grinding disc is a chore because their is no head lock & requires 2 specialty wrenches that want to slip off the nut unless both are held at a perfect 90 degrees. Backing pads for various grinding/sanding discs won't work. I used a dewalt sanding disc nut with an oval head. Flipped upside down, it allows my sanding disc rubber backing pad to fit & not burn up motor.
Old Dude/Rancher
Reviewed in the United States on April 23, 2012
I've been using this Grinder for approximately a year now and find that it is my "Go To" Grinder. It has plenty of power and I find the disks easy enough to change. When using the Grinder properly, (from the outside edge not laying it flat) there is no chance of damaging the lock down screw. Hope this helps anyone that needs a powerful light weight easy to use Grinder.
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