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JET 8-Inch Bench Grinder, 3450 RPM, 1/2 HP, 1Ph 115V (JBG-8A)

4.6 4.6 out of 5 stars 388 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Power Bench Grinders by Jet

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8-Inch Bench Grinder

Purchase options and add-ons

Brand Jet
Material Alloy Steel, Cast Iron
Product Dimensions 19"L x 12.5"W x 10"H
Style 8-Inch Bench Grinder
Power Source electric-powered

About this item

  • Variable Grinding: Fine (60-grit) and coarse (36-grit) vitrified grinding wheels
  • Long Machine Life: Totally-enclosed pre-lubricated ball bearings
  • Built for Durability: Cast iron wheel guards and dust vents
  • No Shifting: Rubber mounts prevent movement
  • Added Safety: Follows strict guidelines and electrical requirements to meet CSA safety standards
See more product details

Customer ratings by feature

Sturdiness
4.6 4.6
Value for money
4.6 4.6

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From the brand


From the manufacturer

grinder

JET 8-Inch Shop Bench Grinder

For shops that may be short on space, a cast iron JET Bench Grinder delivers work power and pristine finishes. Built to withstand the high-volume demands of even the busiest shops, this high-quality machine grinds, sharpens and smooths with equal precision and flawless results

grinder

  • For added safety, the JBG-8B follows strict guidelines and electrical requirements
  • Totally enclosed pre-lubricated ball bearings
  • Rubber mounts prevent movement
  • Heavy-duty guarded toggle switch
  • Cast iron wheel guards and dust vents

grinder2

  • One-piece quick adjusting spark guards
  • Large eye shields with quick adjustment
  • Adjustable tool rests
  • Fine and coarse vitrified grinding wheels

JET JBG-10B 6" Industrial Bench Grinder (577101) JET JBG-8B 8" Bench Grinder (577102) JET JBG-10B 10" Bench Grinder (577103)
JET JBG-6B, 6-Inch Industrial Bench Grinder (577101) JET JBG-8B, 8-Inch Bench Grinder (577102) JET JBG-10B, 10-Inch Bench Grinder (577103)
Customer Reviews
4.5 out of 5 stars
127
4.6 out of 5 stars
388
4.4 out of 5 stars
31
Wheel Size (D x W x Bore) 6" x 3/4" x 1/2" 8" x 1" x 5/8" 10" x 1 x 1"
Motor (RPM) 3,450 3,450 1,725
Wheels Included/Grit 36 & 60 36 & 60 24 & 46
Horsepower 1/2 1 1-1/2
Voltage 120V, 1PH 120V, 1PH 120V, 1PH
Weight (Lbs) 38 60 119
JET Banner - metalworking

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Technical Details

Additional Information

Warranty & Support

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

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JET 8-Inch Bench Grinder, 3450 RPM, 1/2 HP, 1Ph 115V (JBG-8A)


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Product Description

Product Description

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Perfect for cleaning, sharpening, buffing, removing rust, or removing burs from metal, the Jet 577102 JBG-8A bench grinder comes with industrial grade 36-grit and 60-grit 8-inch wheels for maximum versatility. The 1-horsepower, 115-volt motor operates at 3,450 rpm and delivers plenty of power for heavy grinding. The grinder sits on a rubber foot to prevent unwanted movement and can be bolted down if desired for maximum stability. This 8-inch model also includes a heavy-duty guarded toggle switch.



The Jet 577102 features totally enclosed pre-lubricated ball bearings, cast-iron wheel guards and dust vents, one-piece quick adjusting spark guards, and large eye shields with quick adjustment for maximum safety. It's backed by a 2-year limited warranty.

What's in the Box

One Jet 577102 JBG-8A bench grinder, two 8-inch wheels (36-grit and 60-grit), hardware, and operating and assembly instructions.

Specifications

  • Motor: 1 horsepower, 1 phase, 115 volt
  • Wheel diameter: 8-inch diameter, 1-inch thickness
  • Wheel speed: 3,450 rpm
  • Wheel grits: 36 and 60
  • Shaft diameter: 5/8-inch
  • Dimensions: 19 inches by 12-1/2 inches by 10 inches
  • Warranty: 2 years, limited





Product guides and documents

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JET 8-Inch Bench Grinder, 3450 RPM, 1/2 HP, 1Ph 115V (JBG-8A)
Jet JET 8-Inch Bench Grinder, 3450 RPM, 1/2 HP, 1Ph 115V (JBG-8A)
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Price$79.99$147.77$139.79-15% $469.00
List:$550.00
$295.00
Delivery
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Monday, Apr 8
Get it as soon as Thursday, Apr 4
Customer Ratings
Value for money
4.6
4.5
5.0
4.2
4.4
4.4
Sturdiness
4.6
4.6
4.1
4.8
Easy to assemble
4.6
4.3
4.7
4.8
Sold By
Vera Tools
Bucktool factory direct
Vera Tools
Amazon.com
Spreetail
Amazon.com
power source
electric-powered
Corded Electric
Corded Electric
AC
Corded Electric
AC/DC
max rotational speed
3450 rpm
1750 rpm
3400 rpm
3600 rpm
3450 rpm
horsepower
0.33 horsepower
3 amps
5 horsepower
voltage
120 volts
120 volts
120 volts
115 volts
115 volts
style
8-Inch Bench Grinder
6" Slow Speed
8'' Bench Grinder
2021 Model
Industrial Bench Grinder
Grinder
weight
58 pounds
41 pounds
44 pounds
31 pounds

Important information

Bulb Voltage

120 volts

Customer reviews

4.6 out of 5 stars
4.6 out of 5
388 global ratings

Customers say

Customers like the quality, speed and performance of the grinder. For example, they mention it's well made, runs smooth and that it performs perfectly for their needs. That said, opinions are mixed on vibration and durability.

AI-generated from the text of customer reviews

72 customers mention59 positive13 negative

Customers like the quality of the grinder. They mention it's well made, sturdy, and holds up great. Some say it'd be suitable for normal shop use.

"...small but since this is not an industrial grinder they are adequate for normal shop use. Will be attached to floor for actual use...." Read more

"...I was skeptical that it would be that much better, but this is a serious grinder...." Read more

"...I'm a mechanic, and have worked in many shops. This is very well made. The tool rest are 3/8" thick machined parts. The stone guards are cast iron...." Read more

"...Now for the positives. I love the power 8A grounded, the "heavy duty", and the shields...." Read more

40 customers mention37 positive3 negative

Customers are satisfied with the speed of the tool. For example, they mention it works nicely and is very smooth running with plenty of power. The wheels run very smooth with no to minimal vibration. The powerful motor spins up quickly, and the machine gets up to speed quickly.

"...Fast start up, smooth running, powerful and worth every penny.I have had several cheaper grinders and not one will compare to this beast...." Read more

"Very Good Grinder for a small shop. Well built and out of the box very smooth running with no real vibration...." Read more

"...I then videoed how it starts and runs. Starts up fast and I could not ask for something smoother: Or should I say, I am very satisfied with how..." Read more

"...The powerful motor spins up quickly.Unforturnately, this otherwise sturdy grinder is marred by several deficiencies...." Read more

36 customers mention29 positive7 negative

Customers like the performance of the grinder. They say it's powerful, runs true, and works hard every day. Some mention that the grinding wheels are too soft and wear down. Overall, most are satisfied with the performance and quality of the tool.

"...We ordered another a month ago and it is working perfectly in our shop...." Read more

"...So far so good. So I grabbed a horse shoe for some testing. This thing is amazing...." Read more

"...I attached some after market items on the grinder and it's working well. I use it almost every day...." Read more

"very good product" Read more

29 customers mention29 positive0 negative

Customers are satisfied with the power of the tool. They mention that it has great power, is smooth running, and does the job well. Some appreciate the 8A grounded power and the heavy duty design.

"...Fast start up, smooth running, powerful and worth every penny.I have had several cheaper grinders and not one will compare to this beast...." Read more

"...The wheels don't wobble, it's powerful as can be, and it's silent compared to all of our other grinders...." Read more

"Been using for sharpening mower blades and small metal projects….good power and minimal vibration… 4 stars due to the design of the guard brackets…..." Read more

"...Now for the positives. I love the power 8A grounded, the "heavy duty", and the shields...." Read more

20 customers mention20 positive0 negative

Customers appreciate the value of the tool. They mention that it's built like a tank and well worth the price.

"...Fast start up, smooth running, powerful and worth every penny.I have had several cheaper grinders and not one will compare to this beast...." Read more

"...They’re pricey, but we would happily pay double considering the time it’s saved us compared to cheap models." Read more

"...this grinder to anyone looking for a great product at an affordable price ." Read more

"...hard to slow it down , good power, very nicely done and worth the extra money!!" Read more

15 customers mention12 positive3 negative

Customers like the alignment of the tool. They say the wheels are properly dressed and balanced, and the fit and finish are fine. Some say the grinder runs very smooth and quiet, and that the wheels produce an excellent surface finish on chisels. Overall, most are satisfied with the alignment and performance of the product.

"...These are pretty nice. One has a slight wobble. This is an expensive tool. But quality comes at a premium. I am very pleased...." Read more

"...I am totally happy with this purchase. I have not had to do any balancing...." Read more

"It's nice. If you're using a wire wheel 1.5 hp would be perfect" Read more

"...grinder's name plate: it is attached skewed to one side, not centered like in the pictures...." Read more

29 customers mention20 positive9 negative

Customers are mixed about the vibration of the tool. Some mention that there is essentially no vibration, while others say that there's some vibration from the balance of the wheels. The wheels don't wobble, and the grinder runs quite well with no imbalance or strange vibration. However, some customers also mention that the plastic shields tend to vibrate loose, and one has a slight wobble.

"...Mounted on a medium sized cast iron stand and never moves or tried to walk off the spot when tested...." Read more

"...The wheels don't wobble, it's powerful as can be, and it's silent compared to all of our other grinders...." Read more

"...These are pretty nice. One has a slight wobble. This is an expensive tool. But quality comes at a premium. I am very pleased...." Read more

"...sharpening mower blades and small metal projects….good power and minimal vibration… 4 stars due to the design of the guard brackets…fail to stay in..." Read more

22 customers mention15 positive7 negative

Customers are mixed about the durability of the tool. Some mention that it runs quietly and is quite powerful, while others say that one of the cast iron wheel guards was broken off the motor and the shaft. The wheel was broken in half due to poor packaging. The grinder arrived smashed and unusable, with a fissure in the motor housing. The grinding wheels came apart, throwing pieces all over the shop. The package was slightly damaged, causing the left guard to be loose.

"...The wheels don't wobble, it's powerful as can be, and it's silent compared to all of our other grinders...." Read more

"...And it's extremely quiet. Really surprised how quiet it is. And mine has zero wobble or vibration. So far so good...." Read more

"Plugged it up, it ran for a few seconds, then tripped the breaker. Unplugged everything in the shop, same thing. Tripped the breaker!..." Read more

"...it runs as smooth as silk with no to minimal vibration, quiet allowing normal conversation to take place while running...." Read more

This thing is a smooth running beast!
5 Stars
This thing is a smooth running beast!
I needed a good grinder after I knowing better tried a 3/4 HP Harbor freight cheap grinder. You'd barely even touch the grinding wheel and the speed would drop off and the thing would stop. Not with this grinder. It gets up to speed quickly. And it's extremely quiet. Really surprised how quiet it is. And mine has zero wobble or vibration. So far so good. So I grabbed a horse shoe for some testing. This thing is amazing. I put a ton of pressure on the grinding wheel and it just chewed through the steel horse shoe. I'm sure it had to have slowed a little but honestly I didn't notice a RPM change. Or it speeding up when I removed pressure. No longer do I need to grind a little and then wait for the grinder to speed back up. This thing powered through even when I really applied some pressure to it. It was between this and a Baldor and I'm super happy I saved all that money and went with the Jet 1 HP 8". You wont find a better grinder and I'd be willing to bet it'll beat some of the extremely expensive grinders out there. I could not be happy with this thing.
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Top reviews from the United States

Reviewed in the United States on December 14, 2021
Style: 8-Inch Bench GrinderVerified Purchase
Customer image
Ed
5.0 out of 5 stars Powerful and awesome
Reviewed in the United States on December 14, 2021
This grinder is legit.

Fast start up, smooth running, powerful and worth every penny.

I have had several cheaper grinders and not one will compare to this beast. I fitted mine with a home made 2x48 belt grinder attachment and I turn it on almost every day. I use it to make knives, sharper ANYTHING, sand wood, polish, deburr and pretty much anything else you can think of.

You will not be disappointed.
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6 people found this helpful
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Reviewed in the United States on November 26, 2016
Style: 8-Inch Bench GrinderVerified Purchase
18 people found this helpful
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Reviewed in the United States on July 30, 2018
Style: 8-Inch Bench GrinderVerified Purchase
17 people found this helpful
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Reviewed in the United States on October 17, 2023
Style: 8-Inch Bench GrinderVerified Purchase
Reviewed in the United States on August 2, 2018
Style: 8-Inch Bench GrinderVerified Purchase
Customer image
5.0 out of 5 stars This thing is a smooth running beast!
Reviewed in the United States on August 2, 2018
I needed a good grinder after I knowing better tried a 3/4 HP Harbor freight cheap grinder. You'd barely even touch the grinding wheel and the speed would drop off and the thing would stop. Not with this grinder. It gets up to speed quickly. And it's extremely quiet. Really surprised how quiet it is. And mine has zero wobble or vibration. So far so good. So I grabbed a horse shoe for some testing. This thing is amazing. I put a ton of pressure on the grinding wheel and it just chewed through the steel horse shoe. I'm sure it had to have slowed a little but honestly I didn't notice a RPM change. Or it speeding up when I removed pressure. No longer do I need to grind a little and then wait for the grinder to speed back up. This thing powered through even when I really applied some pressure to it. It was between this and a Baldor and I'm super happy I saved all that money and went with the Jet 1 HP 8". You wont find a better grinder and I'd be willing to bet it'll beat some of the extremely expensive grinders out there. I could not be happy with this thing.
Images in this review
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Customer imageCustomer image
15 people found this helpful
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Reviewed in the United States on January 18, 2023
Style: 8-Inch Bench GrinderVerified Purchase
3 people found this helpful
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Reviewed in the United States on February 19, 2024
Style: 8-Inch Bench GrinderVerified Purchase
Reviewed in the United States on May 24, 2022
Style: 8-Inch Bench GrinderVerified Purchase
7 people found this helpful
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Top reviews from other countries

Mario
5.0 out of 5 stars Beast
Reviewed in Canada on April 26, 2023
Style: 8-Inch Bench GrinderVerified Purchase
Peter J
5.0 out of 5 stars Excellant grinder
Reviewed in Canada on February 16, 2022
Style: 8-Inch Bench GrinderVerified Purchase