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

by Metabo
4.7 out of 5 stars 48 customer reviews
| 8 answered questions

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  • Maximum Torque 19.5 inch lbs.
  • No-load speed (RPM) 10000
  • Toolless guard adjustment
  • 2-position side handle
  • Metabo S-automatic torque limiting clutch
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Technical Details

  • variable-speed

Product Description

Product Description

Includes W8-115 4-1/2-in 10,000 RPM 8.0 AMP Angle Grinder - 600259980, Side Handle - 314000970, Wheel Guard - 339209210, Inner Flange - 341031290, Face Spanner - 623934000, Outer Nut - 341101480

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 5.9 pounds
Product Dimensions 15.1 x 5.1 x 4.9 inches
Item model number W8115
Color Black
Power Source electric-powered
Voltage 120 volts
Item Package Quantity 1
Special Features variable-speed
Included Components bare-tool
Warranty Description 1 yr. standard / 3 yr. with online registration

Technical Specification

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

Additional Information

ASIN B001CSEJLA
Customer Reviews
4.7 out of 5 stars 48 customer reviews

4.7 out of 5 stars
Best Sellers Rank #187,534 in Home Improvements (See top 100)
#189 in Home Improvement > Power & Hand Tools > Power Tools > Grinders > Angle Grinders
Shipping Weight 5.9 pounds
Date First Available January 1, 2006

Warranty & Support

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

Customer Reviews

Top Customer Reviews

First off, this is professional quality grinder. It is also extremely versatile. You can cut, grind, brush, clean, sand, and polish a variety of materials with this tool including metal, stone, brick, concrete, wood & more. You just need to buy the appropriate discs & wheels for those operations.

I've owned 5 angle grinders over the years and have used countless competing brands in other shops. Metabo makes the best grinders hands down. I'm a custom metal fabricator and reach for the grinder multiple times daily. I've owned the previous version of this same grinder for 6 years (W7-115) and was looking to buy a new one to keep in the shop. The old model still runs great, all I've had to do is change the brushes and replace the occasional nicked power cord. I was reluctant to buy a new one when I saw Metabo redesigned it. I thought there was no way to improve on the old model. But, I was pleasantly surprised. The new model is nearly identical in feel and operation to the old one. It actually runs smoother (presumably because the old one has seen years of heavy use.)

The only noticeable difference is in the switch. It has been slightly redesigned. It still operates like the old slider switch, but you need to rock it slightly forward to get it to lock on (I'm assuming for safety). But you get used to it after a day. And when I palm the grinder close to the head with one hand for detail work, I occasionally turn the power switch off unintentionally. This is a very unorthodox way to hold the grinder and will not likely affect the average user.

Many of the other manufacturers offer grinders with a large paddle switch on the bottom of the tool. Doing custom metalwork requires you to use nearly every nonmoving part of the grinder as a control surface.
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Our metabo grinder had a switch failure that caused the grinder to stay on about 5% of the time AFTER the switch was turned off and this led to an injury before it was taken out of circulation. We have a total of 7 electric angle grinders from many manufacturers in my metal shop and my experience has been Dewalt is the quickest to die, metabo is perhaps the middle of the pack and Makita with some proper cleaning is the best especially the 12.5A variable speed unit - this is what we are moving to for all our grinders as others die. That and we also keep a few of the $50 bosch slim bodies for lighter applications as they are only 7a or so so much less power.

Payam Sarabi
Sarabi Studio Custom Fabricators
Comment 10 of 11 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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First I will say that I did not purchase it through Amazon simply because I needed it right then and there for work. With that, I also paid about $30 more and I was fine with that plus it did go to a local business as well.

As far as the product itself compared to the Bosch, Snap-On, Hitachi, Fein, Porter Cable, and several others that I have had over the years--- it simply is better. What makes it better is first they give you the option to purchase one with a paddle or thumb switch--- since a paddle switch for me is out of the question, I went with the latter. What was a nice surprise was that the wheel guard can be rotated without tools.... way better than any other that I have used since there are no tools required. That aspect alone is worth quite a bit since I have found myself adjusting it to the job as needed instead of leaving it in one spot and simply dealing with it. From there the switch is on the back side and stays on. The Bosch that I also have is on the side and is too sensitive--- I inadvertently turn it off almost every time I use it, the Metabo simply has a better switch. The other part that I found interesting is when you turn it on with one hand it actually has a bit of a soft start to it which is great as it does not jerk when it does come on. Again, nice touch. Body size. At first I thought a smaller body would have been better to work with and be more comfortable.... that is surprisingly not true. The body of the Metabo is larger than any other that I have used and it feels great. I have a tendency to hold onto tools like this with a heavy grip and it definitely reduces fatigue. I did get the one with the standard wheel nut--- not the quick release. I have to know how tight I make the wheel and the standard nut with wrench works for me.
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1 Comment 9 of 10 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I've killed a couple lower cost Porter cable and DeWalt grinders over the years, and felt it was time to get something a little more robust. A lot of online research and talking to a few metal working pros (I'm in the "advanced hobbyist" class myself) pointed me straight at Metabo. I can't speak to the longevity aspect personally yet (only just completed my first project with the Metabo)but I can speak well for it's performance. It never felt like it was being burdened no matter what I asked of it, and it runs very cool under whatever load it's presented with.

I very much liked the slide switch for the power (vs the paddle arrangement on other brands). The overall ergonomics were outstanding for my (rather large) hands.

It may be a bit more cash than some of the low end models from the other manufacturers, but I feel the difference in quality (which you can honestly actually feel) and the fact you're getting a German engineered and built tool from a company with a stellar reputation is more than worth the modest extra cost.
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