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Astro Pneumatic 3037 Air Belt Sander (1/2" x 18") with 3pc Belts (#36, #40 & #60)

4.7 4.7 out of 5 stars 2,004 ratings

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1/2” x 18”
Sander

Purchase options and add-ons

Brand Astro Pneumatic Tool
Product Dimensions 15"L x 4"W x 3"H
Grit Type Medium
Power Source Air Powered
Grit Number 40

About this item

  • Great for Spot Weld Removal
  • Simple belt tension lever
  • Variable speed control and increased pulley space for new thicker belts
  • Industry leading 0.5HP
  • Includes: 303740 -Sanding Belt 40 Grit - 1/2" x 18" 303760 - Sanding Belt 60 Grit - 1/2" x 18" 303780 - Sanding Belt 80 Grit - 1/2" x 18"
See more product details

Customer ratings by feature

Durability
5.0 5.0
Easy to use
4.7 4.7
Light weight
4.7 4.7
Value for money
4.6 4.6

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Astro Pneumatic 3037 Air Belt Sander (1/2" x 18") with 3pc Belts (#36, #40 & #60)
Astro Pneumatic Tool Astro Pneumatic 3037 Air Belt Sander (1/2" x 18") with 3pc Belts (#36, #40 & #60)
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Price$97.41$59.90$89.99$129.99-26% $103.56
List:$139.99
$229.30
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Tuesday, Apr 2
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Value for money
4.6
4.3
4.3
Longevity
4.3
4.5
5.0
Sold By
Amazon.com
Upwood
Maximilian Walsh
Amazon.com
American-Mechanic
MAdeals
power source
Air Powered
Air Powered
Battery Powered
Air Powered
Air Powered
Battery Powered
max rotational speed
15000 rpm
16000 rpm
20000 rpm
20000 rpm
3600 rpm
grit type
Medium
60
Medium
Coarse
grit number
40
0
40
100
18
60
maximum current
10 amps
4.5 amps
12 amps
model number
3037
Air Belt Sander
qidonggongju-18
360-313
85300
2482-20
weight
2.2 pounds
3 pounds
2.29 pounds
5 pounds

From the manufacturer

The Solution To Spot Welds & Metal Prep

The Astro 3037 is the industry's newest and most popular way to remove spots welds quicker and cheaper than traditional methods. Other common tasks include metal prep and cleaning up welds.

360° Adjustable Arm

Adjust arm angle as desired for better access with the simple turn of an Allen bolt using the supplied wrench.

Universal Belt Fitment & Quick Changes

Designed to fit nearly all 1/2" x 18" belt brands and styles, the 3037 auto-latches the arm open when changing belts, then auto-tensions by pressing the lever release.

Adjustable Speed

RPM adjustment located on rear of handle allows for fine tuning the speed required for your application up to 16,000RPM.

3035 Air Belt Sander 3036 Air Belt Sander 3037 Air Belt Sander
Customer Reviews
4.7 out of 5 stars
2,004
Belt Size 3/4 x 20.5" 3/8 x 13" 1/2 x 18"
Most Common Use Metal surface finishing Spot welds and metal prep Spot welds
Belt Gaurd
Power 1/2HP 1/2HP 1/2HP
Air Consumption 4cfm 4cfm 4cfm

Looking for specific info?

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here. [PDF ]

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Astro Pneumatic 3037 Air Belt Sander (1/2" x 18") with 3pc Belts (#36, #40 & #60)


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Product Description

Never compromised on quality, fully equipped with state-of-the-art technology - Designed with the user optimal experience in mind. International Renown, constantly modernizing powerful devices to meet the demands of the modern user.

Customer reviews

4.7 out of 5 stars
4.7 out of 5
2,004 global ratings

Customers say

Customers like the performance, quality and value of the sander. For example, they mention it works well, the belts last well and that it's easy to use. They're also happy with the tightness, and power. That said, opinions are mixed on the volume.

AI-generated from the text of customer reviews

158 customers mention151 positive7 negative

Customers are satisfied with the performance of the sander. They mention that it has decent torque, gets the job done, and is excellent. They say it's a must in a body shop, works great for grinding down welds in hard to reach areas, and for spot welders and taking metal off. Customers also say that it'll be a great tool for any project, especially replacing body panels.

"...I use it for bodywork and it works great for spot welds and taking metal off...." Read more

"Should have bought one years ago. Works great for grinding down excess weld in tight spots and removing spot welds...." Read more

"Works awesome! Tons of power for what it is, it absolutely screams and has the best belt changing setup in the game. LOVE this tool...." Read more

"...belt sander for almost 4 years now I can say this is a great tool to have on hand...." Read more

91 customers mention78 positive13 negative

Customers like the quality of the sander. They say it is well-made, holds up well, and the included belts seem to last well. Some customers also mention that the body and air motor are still solid. Overall, customers are satisfied with the quality and performance of this tool.

"...After 3 years and 7 months I finally broke it. The body and air motor are still solid but one too many drops on concrete cracked the tensioning..." Read more

"Feels really high quality. Miles better than harbor freight" Read more

"Great little sander, I mistakenly ordered the 3/8, the 1/2 would have been a little better for what I'm using it for. It will work though." Read more

"Nice belt sander.Middle size body. A little larger than a harbor height mini belt sander.It uses only 4 CFM @90 PSI." Read more

57 customers mention53 positive4 negative

Customers are satisfied with the value of the sander. They mention that it works wonders for the price of admission, and is surprised at the quality for the money. Some say that it has saved them time and money on several projects.

"...LOVE this tool. Not the cheapest but still a very reasonable price for a high end tool. You will find yourself looking for things to use it on." Read more

"It’s good for the price but to lock it down you have to have the allen wrench handy and tighten it up that way" Read more

"Nice quality for this price" Read more

"...This is every bit as good as more expensive tools, and better than cheaper ones I've tried...." Read more

48 customers mention48 positive0 negative

Customers find the belt sander easy to use. They say the belt changing mechanism is super slick, and takes about 10 seconds. They also say the trigger is easy to engage and feather for RPM. Customers say it has the best belt changing setup in the game.

"...of power for what it is, it absolutely screams and has the best belt changing setup in the game. LOVE this tool...." Read more

"Hello this tool not only cuts off welds, it can cut off old rusty bolts from your car ...." Read more

"...Great for tight spaces. The belts stay centered and are easy to change." Read more

"...great tool for any project especially replacing body panels, sands spot welds with ease" Read more

26 customers mention23 positive3 negative

Customers like the speed of the sander. They say it is really fast, the variable speed is great, and it gets the job done quickly. The sanding pad is easy to adjust and the belt changes are quick. Overall, customers are satisfied with the performance and quality of the product.

"...This has been a time saver for spot welds and smoothing things out! Belts definitely get expensive but its worth it" Read more

"...The belt speed is variable and easily adjusted on-the-fly...." Read more

"...it has a very satisfying sound when you turn it on and the variable speed is great...." Read more

"...The Astro has an adjustable regulator built and can obtain higher speeds than the 3m. This tool also a locking mechanism for changing the belts..." Read more

17 customers mention17 positive0 negative

Customers find the sander great for tight spaces. They say the belts stay centered and are easy to change. Customers also mention that the a good tool for those tight places.

"...It fits in hard to reach spaces .I would high6 recommend this tool I love it...." Read more

"...Great for tight spaces. The belts stay centered and are easy to change." Read more

"...this is lighter and in my less of the cost and it is easier to fit into small places" Read more

"Great for what it is !!! Don’t try to over work it !! Works good for small tight spots.dont try to grind a weld off with it" Read more

15 customers mention15 positive0 negative

Customers are satisfied with the power of the sander. They mention that it has enough power to cut off welds and other metal. Some say that it is a great tool that requires a high capacity air tank.

"Works awesome! Tons of power for what it is, it absolutely screams and has the best belt changing setup in the game. LOVE this tool...." Read more

"This is a good tool that is reasonably well made. It has decent amounts of power and runs smooth...." Read more

"Plenty of power. Belt stays aligned good. Quality seems real good. It is the loudest air tool i have...." Read more

"...Good power, not too loud or heavy" Read more

17 customers mention8 positive9 negative

Customers are mixed about the volume of the sander. Some mention that it's not too loud, has a very satisfying sound when you turn it on, and has slick, quiet operation. Others say that it absolutely screams and the only downside is the noise.

"...issues from the Marine Corps and Iraq and I STILL think this this is crazy loud. If you're standing perpendicular to it, it's not too horrible...." Read more

"Works awesome! Tons of power for what it is, it absolutely screams and has the best belt changing setup in the game. LOVE this tool...." Read more

"Works well but this thing is super loud!" Read more

"...But, this particular tool is incredible, it has a very satisfying sound when you turn it on and the variable speed is great...." Read more

Owned for almost 4 years now, great tool
5 Stars
Owned for almost 4 years now, great tool
Having owned this handheld belt sander for almost 4 years now I can say this is a great tool to have on hand. I've used it for more projects than I ever expected to and for some work it's been indispensable. With this tool and 3M sandpaper you can tackle just about anything. I added a photo of a recent project to show how tight the workspace was and having to grind off a rivet head, no problem with this tool.
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Top reviews from the United States

Reviewed in the United States on December 22, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
Reviewed in the United States on May 25, 2017
Size: 1/2” x 18”Style: SanderVerified Purchase
185 people found this helpful
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Reviewed in the United States on December 20, 2023
Size: 3/8” x 13”Style: SanderVerified Purchase
Reviewed in the United States on May 30, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
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Reviewed in the United States on December 20, 2023
Size: 3/8” x 13”Style: SanderVerified Purchase
Reviewed in the United States on June 16, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
Reviewed in the United States on September 10, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
3 people found this helpful
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Reviewed in the United States on December 10, 2023
Size: 3/8” x 13”Style: SanderVerified Purchase

Top reviews from other countries

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Gary Paquette
5.0 out of 5 stars Works great
Reviewed in Canada on November 30, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
Rodolfo Alvarado
5.0 out of 5 stars Muy práctico y funciona perfectamente
Reviewed in Mexico on March 20, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
Leonel
1.0 out of 5 stars SOBRE CALENTAMIENTO EN EL ROTOR
Reviewed in Mexico on September 13, 2022
Size: 3/8” x 13”Style: SanderVerified Purchase
Max Power
5.0 out of 5 stars A must have for welding
Reviewed in Australia on April 26, 2023
Size: 1/2” x 18”Style: SanderVerified Purchase
Simon Hudson
5.0 out of 5 stars Great product
Reviewed in Australia on May 29, 2022
Size: 3/8” x 13”Style: SanderVerified Purchase