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DEWALT DW758 8-Inch Bench Grinder

4.3 out of 5 stars 278 customer reviews
| 20 answered questions

Price: $127.99 & FREE Shipping. Details
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  • The product is 3/4HP 8" Bench Grinder
  • Easy to use
  • The product is manufactured in China
  • 3/4 hp induction motor provides superior power for industrial grinding applications
  • Rugged cast iron base and motor housing provide durability and prolonged life
  • Motor runs at 3,600 rpm for high speed material removal
  • Precision-machined aluminum tool rests allow the user to accurately position work
  • Rear exhaust ports in wheel guards for smoother operation; 12-1/2-inch distance between wheels for larger and longer grinding applications
63 new from $127.99 1 used from $118.97
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$127.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • DEWALT DW758 8-Inch Bench Grinder
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  • DEWALT DW4906 8-Inch Crimped Bench Wire Wheel, 5/8 Arbor, Medium Face, .014-Inch Wire
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  • 2 PC 8" X 5/8" Ply Soft Cotton Bench Grinder Buffing Wheels (8BUFF088(2pc)
Total price: $157.49
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Technical Details

  • quiet

Product Description

Product Description

The product is 3/4HP 8" Bench Grinder. Easy to use. The product is manufactured in China.

Amazon.com

The heavy duty DEWALT DW758 8-inch bench grinder is ideal for all grinding operations, including sharpening tools, deburring, rust removal, shaping parts and cleaning objects. It's powered by a 3/4 horsepower induction motor that runs at 3,600 RPM for easy and reliable high speed material removal.

DeWalt DW758
8-inch bench grinder with 5/8 horsepower motor
(view larger).

The DW758 is complemented by an industrial cast iron base and motor housing for added durability and prolonged life. It has a 12-1/2-inch distance between wheels for longer and larger grinding applications, and precision-machined adjustable aluminum tool rests allow the user to accurately position work. Rear exhaust ports in the wheel guards provide smooth operation. This grinder measures 16 inches long and weighs 39.5 pounds.

Warranty

This DEWALT tool is backed by three-year limited warranty covering any defects due to faulty materials or workmanship (from the date of purchase). It's also covered by DEWALT's one-year free service contract, where DEWALT will maintain the tool and replace worn parts caused by normal use--for free.

What's in the Box

DEWALT DW758 8-inch bench grinder; 36- and 60-grit wheels; eye shields; spark deflectors; tool rests; operating instructions

At a Glance
DW758 8-Inch Bench Grinder At a Glance:
  • 3/4 HP induction motor for heavy-duty grinding operations

  • Runs at 3,600 RPM for high speed material removal

  • 12-1/2-inch distance between wheels

  • Industrial cast iron base and motor housing

  • Three-year limited warranty; one-year free service
At a Glance

Product Information

Technical Details

Part Number DW758
Item Weight 40.5 pounds
Product Dimensions 17.8 x 12.6 x 10.8 inches
California residents Click here for Proposition 65 warning
Item model number DW758
Size EA
Power Source electric-powered
Item Package Quantity 1
Special Features quiet
Included Components bare-tool
Batteries Included? No
Batteries Required? No
Warranty Description 1 Year Full Warranty
National Stock Number 5130-01-397-8895

Additional Information

ASIN B0000224J4
Customer Reviews
4.3 out of 5 stars 278 customer reviews

4.3 out of 5 stars
Best Sellers Rank #11,300 in Home Improvements (See top 100)
#3 in Home Improvement > Power & Hand Tools > Power Tools > Grinders > Bench Grinders
#42 in Industrial & Scientific > Commercial Door Products > Commercial Door Hardware
#940 in Home Improvement > Contractor Supply
Shipping Weight 40.5 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 November 8, 1999

Warranty & Support

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

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By A Customer on December 8, 2001
Having recently purchased the DeWalt DW758 bench grinder for use in my shop, I can say that it is definitely a good value. The ¾ HP capacitor-start motor comes up to speed quickly, runs smoothly with steady speed and ample power for most any grinding need. Overall, it is a very good heavy-duty general-use grinder.
The stamped steel wheel guards are not as sturdy or easy to remove as the cast iron guards on other manufactures more expensive models. The DW758's guards have screws on the top and bottom, instead of on the side, which can be difficult to remove when the grinder is mounted to a bench. A small right-angle "Yankee" ratcheting screwdriver makes bottom screw removal much easier and more practical than unbolting the grinder from the bench to change wheels. This probably won't even be an issue for most users, given the relative longevity and infrequent changing of grinding wheels with normal use.The grinders tools rests work well, are sturdy, and can be tilted with the use of the supplied allen wrench to change the grinding angle, which is a very useful feature. The unit comes supplied with 60 course-grit and 36 medium-grit wheels installed and can accept other 8" wheels with a face width of up to 1" and wire wheels with a face width of up to 1-1/4" as well as cotton buffing wheels. I have no problem at all recommending the DW758. The unit seems very well made, especially considering the modest price tag, and will no doubt last through many years of hard use.
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The price was the best on the Internet, especially with the Amazon super saver shipping. Delivery was faster than expected. However, when I received the machine and turned it ON, I was seriously disappointed with its performance. The course (36 grit) wheel mounted on the right had a very bad wobble to it. Visually, it looked like 1/8", but a close measurement showed it to be little under 1/16" total side to side, enough to vibrate the machine and the bench it was sitting on. I thought about shipping everything back, but then looked at a possible $28.89 shipping charge, and decided to see if I could fix it myself.

I removed both wheels and moved the wobbly right-hand (course) wheel to the left hand side. It made no difference in the wobble, so I figured it wasn't the mounting hardware itself. I experimented with a few layers of black electrical tape shimmed on the inside of the wheel under the mounting washer and found that four layers of tape removed the wobble almost entirely. I also mounted two layers under the fine wheel mounting so that the small amount of wobble that it had is nearly gone. Results - an acceptable grinder.

Pros: Lowest Internet price, fast shipping, OK after wheel wobble fixed as above. 8" wheels larger than motor case makes it easier to grind extended objects.

Cons: Made in China, 1 bad wheel wobble, requires factory service to oil machine, no light, no quenching cup.

Other comments: I found that my old 6" grinder had as much wheel wobble as the new Dewalt, but never noticed it even after several decades of use. I checked out several Sears 8" grinders manually. One was near perfect, the other had a slight wobble. Not allowed to turn them ON.
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Verified Purchase
I read the negative reviews and should have heeded the warnings...but I ordered one anyway and it arrived today. My fears were heightened when I could see the grinding wheels wobble as I spun them by hand. Before messing with assembling the tool rests, shields, etc. I decided to plug it in and check the vibration. Sigh. Really, really disappointing. The vibration is amazingly obvious. This should be the easiest thing to QC at the factory--all they need to do is plug it in and run it.

I was suspicious of getting an 8-inch grinder for a little more than $100. I only ordered this one because my brother has the same grinder and told me it works fine. He was here when I plugged the grinder in and he couldn't believe how poorly it ran. His tool is older so maybe he bought his when DeWalt still cared about quality. This makes me suspicious of ALL DeWalt tools.

UPDATE: While waiting for UPS to pick up the grinder for return, we spent some time diagnosing the problem(s). The cone washers that hold the wheels are stamped and, as others have noted, they aren't necessarily flat/true. But we also found that the shoulder on the shaft that the inside cone washer seats against had a high spot on it. So even if I replaced or machined the cone washers, the wheel would never run true.

These are simple machines: no gears or complex mechanisms, just a motor with an extended shaft. It's almost harder to make it wrong than to make it right. It's not a "made in China" problem. The Apple computer I'm using to write this review was also made in China and it's a beautifully crafted machine. It's a failure by DeWalt to ensure their products adhere to even modest QA/QC standards.
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Verified Purchase
As machinist for 40 years here is what I found.
1. Poorly written instructions.
2. Mounted to a Grizzly bench grinder stand you can't turn it off fast enough due to the vibration.
3. Upon inspection the wheels run out laterally .080 on the left and .045 on the right .
4. Removing the left hand nut I find the nuts have been overly tight bending the stamped washers against the spacer to the bearing.
5. Today I machined out 4 new wheel /arbor washers only to get a similar result but better.
6. Upon removing the bearing spacer the ends are not perpendicular to the bore.
7. I removed the armature the bearings are rough and need replaced right out of the box.
8. I am going to machine the spacers and replace the bearings with a good quality manufacturer .
summary: without a machine shop avoid this unit!!!!
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