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Ingersoll Rand 3445MAX 4-1/2-Inch Air Angle Grinder

4 out of 5 stars 7 customer reviews

List Price: $415.00
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4.5-Inch
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  • 0.88-horsepower air motor delivers 12,000 RPM for impressive performance and greater material removal
  • Internal governor maximizes speed under load, thus increasing productivity
  • Enhanced grip design and lightweight construction increases comfort for extended usage
  • Built-in lubricating wick optimizes the life of the angle gear set by improving lubrication to the pinion and bevel gear set
  • Features a 6.4-meters-per-second-squared vibration level
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  • Ingersoll Rand 3445MAX 4-1/2-Inch Air Angle Grinder
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Size: 4.5-Inch

Technical Details

Size: 4.5-Inch
  • lightweight

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This item: Ingersoll Rand 3445MAX 4-1/2-Inch Air Angle Grinder
Customer Rating 4 out of 5 stars (7) 4 out of 5 stars (23) 4 out of 5 stars (82) 5 out of 5 stars (120)
Price $219.99 $79.98 $45.00 $59.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com ToolTopia Amazon.com Amazon.com
Dimensions 0 inches x 0 inches x 0 inches 2.99 inches x 6.93 inches x 1.58 inches 1.75 inches x 9.5 inches x 6.25 inches 2.91 inches x 5.27 inches x 1.34 inches
Item Package Weight 5.45 pounds 1.3 pounds 1.8 pounds 1 pounds
Power Source pneumatic-powered pneumatic-powered pneumatic-powered pneumatic-powered
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Product Description

Size: 4.5-Inch

Product Description

The 3445MAX is the perfect choice for high performance finishing. This 4 1/2in. air angle grinder combines a unique motor controller that virtually eliminates overspeeding...with a powerful .88 HP motor to provide plenty of power for rust and material removal. CFM at Load: 41, Air Inlet Size (in. NPT): 1/4, Disc Diameter (in.): 4 1/2, Tool Length (in.): 9 1/2, Min. Hose Size (in.): 3/8, Side Handle: Yes, Speed (RPM): 12,000, Air Consumption (CFM): 9

Amazon.com

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.

At a Glance
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

At a Glance
Ingersoll Rand Impactool
Ingersoll Rand's 3445MAX air angle grinder is ideal for metalworking. View larger
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 ImpactoolIngersoll Rand air grinder
Ingersoll Rand's 3445MAX air angle grinder provides maximum power and comfort. (Click each to enlarge)

Product Information

Size:4.5-Inch

Technical Details

Part Number 3445MAX
Item Weight 5.4 pounds
Product Dimensions 12 x 6.9 x 4.2 inches
Item model number 3445MAX
Size 4.5-Inch
Power Source pneumatic-powered
Item Package Quantity 1
Special Features lightweight
Included Components bare-tool
Warranty Description 1 year limited repair warranty

Additional Information

ASIN B00381TFV8
Customer Reviews
4 out of 5 stars 7 customer reviews

4 out of 5 stars
Best Sellers Rank #66,267 in Home Improvements (See top 100)
#85 in Home Improvement > Power & Hand Tools > Power Tools > Grinders > Angle Grinders
Shipping Weight 5.5 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available February 10, 2010

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Customer Reviews

Top Customer Reviews

By wrenchrrr on February 21, 2012
Size: 4.5-Inch
IR makes excellent air tools. That being said, they missed on this one.

Power is good for a 4.5 grinder. But attaching and replacing the discs sucks. There is no lock, or a nut to hold it from turning. Instead, you use a hex wrench to remove a little screw, then another one to hold the shaft while grabbing the disc to spin it off. If you ran the disc down too small to get the leverage to spin it off, then you need a third hand to use a wrench. If you chew up the little screw,

which I'm certain will happen, then you're definetly scrud.

My old grinder, another IR, had a little nut shaped portion on the shaft that you could put a little wrench on, then spin the disc off.

I had hoped the new one would have evolved to a shaft lock.

Update 3/8/13:
Already, the trigger gets stuck, so hooking to air it suddenly turns on. Pretty dangerous.lock.
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Size: 4.5-Inch Verified Purchase
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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Size: 4.5-Inch Verified Purchase
I'm going to look for a better cutter. This started falling apart within a week. The little valve that the trigger pushes on fell out and I had a heck of a time finding the tiny parts. Finally epoxied it in. That sucks. Doubt they would return my money. Will change review. No reply so far.
Note, regardless of what the book says, oil this at least 3 times a day or it will slow down and get draggy like it is going to seize up!
Oh, and be careful, these things earn the term MEATAXE!
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Size: 5-Inch Verified Purchase
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.
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Ingersoll Rand 3445MAX 4-1/2-Inch Air Angle Grinder
This item: Ingersoll Rand 3445MAX 4-1/2-Inch Air Angle Grinder
Price: $219.99
Ships from and sold by Amazon.com
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