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Metabo W8-115 Quick 4-1/2-Inch Angle Grinder

by Metabo
4.9 out of 5 stars 18 customer reviews
| 5 answered questions

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  • Excellent quality, high performance and user-friendly ergonomics
  • Maximum torque of 19.5 inch pounds
  • Innovative air-cooling concept enables higher motor output
  • Handle helps lower vibrations which can be damaging to the user's health
  • Quick technology allows for changing discs and guards without tools
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Technical Details

  • heavy-duty

Product Description

Product Description

The Metabo W8-115 Quick Professional Series Angle Grinder features Metabos 8.0 Amp, 800 watt long life motor with Winding Protection Grid. At 10,000 RPM this tool was made to work hard for weld preparation, smoothing welded seams, metal removal, cutting rod, angle iron and pipe. Other feature include Metabos S-Automatic clutch for protection against kick-backs which occur if the cutting wheel jams, Quick wheel change system, slide switch with lock on capability, AC-DC capable and auto-stop carbon brushes. Also included are Metabos VibraTech anti-vibration side handle, type 27 wheel guard, inner flange and outer nut.

From the Manufacturer

Metabo is well known for its top-class angle grinders. Excellent quality, high performance and user-friendly ergonomics are characteristics which are also distinctly evident in our new generation of small angle grinders. Their design is completely new and even more ergo-nomic. The innovative air-cooling concept enables higher motor output, which gives them an enormous amount of torque. The Metabo VibraTech (MVT) handle helps lower vibrations which can be damaging to the user’s health. Metabo’s core strength technologies are also utilised, such as the infamous Marathon Motor, S-automatic Safety Clutch and Metabo “Quick” techno-logy for changing discs and guards without tools. The WB 11-125 Quick and the WB 11-150 Quick offer users even more protection with their new mechanical disc brake system, which stops the disc within seconds of switching off the machine. With this technology, every professional need look no further.

Product Information

Technical Details

Part Number W8115
Item Weight 6.5 pounds
Product Dimensions 15.6 x 6.6 x 5.2 inches
Item model number W8115
Color Black
Power Source electric-powered
Voltage 120 volts
Item Package Quantity 1
Special Features heavy-duty
Included Components bare-tool
Warranty Description 1 yr. standard / 3 yr. with online registration

Additional Information

ASIN B001CSAY6Y
Customer Reviews
4.9 out of 5 stars 18 customer reviews

4.9 out of 5 stars
Best Sellers Rank #252,639 in Home Improvements (See top 100)
#245 in Home Improvement > Power & Hand Tools > Power Tools > Grinders > Angle Grinders
Shipping Weight 6.2 pounds
Date First Available January 1, 2006

Warranty & Support

Product Warranty: For warranty information about this product, please click here

Customer Reviews

Top Customer Reviews

You will not be disappointed with a Metabo Grinder. I have been a hobby machinist/fabricator for several years and used my fair share of other big name grinders. All eventually let me down. After researching and hearing about Metabo, I decided to try them out. I bought one and liked it so much I am ordering a second!
Easily the highest quality grinder I have worked with over the years and I expect it to last for years to come.
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I am the type of guy that will wait till I can afford to buy a quality tool before I go cheap in most cases! This grinder burns stuff up! Very smooth and the lack of a paddle switch seals the deal!
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By far the best product one could buy for grinding and cutting. This is actually the second Metabo unit. I was expecting a half as good a product compared to my first unit. This is double the product of my 7 year old grinder. I have pressed both units into a manufacturing process and expect both to last many years to come......
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After purchasing a couple of other grinders and having failures I decided to "bite the bullet".

So far the Metabo has done the job. I used Metabo grinders at my job so I should have just went with one for my personal use..DOH!!

The quick change is nice. No tools for disc swap or adjusting guard.
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Didn't think I would like an angle grinder so much, but I do. I'm cutting hardened steel chains and the Metabo slices them like a hot knife through butter. When I screw up and bind the disk in the cut, the clutch kicks in and prevents damage. The quick change mechanism works every time and is easy to use. I fully expect to use this sturdy machine the rest of my life, so I don't expect to buy another one. But if I do, chances are it'll be another Metabo. Highly recommended!
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The housing is a bit more bulky than most comparable 4-1/2" angle grinders, but the Metabo runs smooth with less vibration. I use mine with cut-off disc, flap disc, and grinder for pipe welding. This is the model without the deadman switch, which I prefer since I use it mostly without the side handle. If you're always going to be using the side handle, a deadman switch is safer and more convenient.
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I do a lot of welding and grinding and cutting of metal. I have 4 1/2 inch grinders from Bosch, Makita, Porter Cable, Hitachi and a couple of off brands. All those grinders seem to have drawbacks - this Metabo seems to have none so far.

I bought the Metabo quick grinder a couple months ago and started using it. At first I didn't think I would like the ergonomics, the barrel is pretty bulky compared to my thin Bosch grinders, but I've gotten used to the Metabo and find it feels fine.

The grinder runs smoothly, better than my Bosch grinders and Porter Cable grinders, but pretty similar to the smooth Makita Grinders. None of my 4 1/2 inch grinders, including this Metabo, runs as smoothly as my 7-9 inch grinders from Hitachi and Makita.

Where this grinder stands out is the features:

First the switch - nothing makes or breaks a 4 1/2 inch grinder more than the switch. The Metabo has the thumb switch on the back of the barrel, like Bosch, rather than the side of the barrel, like Makita. I like the positioning of it, but most of all I like the way it clicks on and off. It clicks on with a very nice positive feel, and when it comes time to shut it off, a slight touch of the thumb and it pops loose, shutting the grinder off, however it stays locked on until you touch the switch. Neither Bosch or Makita have the same feel to their switch. I constantly struggle with the Makita switches, which want to unlock and turn off frequently when i'm using them. The Bosch switches on the other hand are difficult to get turned off, requiring a much more conscious effort.

The next feature of the grinder is the quick nut. What a great idea. One problem with other grinders is that it is a pain to find and use the pin wrench to loosen the wheel.
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we have about 12 of them at any given time and we are not kind to them. they still can last a couple of years.
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