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Makita 9903 3" x 21" Belt Sander

4.6 4.6 out of 5 stars 872 ratings

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Purchase options and add-ons

Brand Makita
Grit Type Medium
Voltage 110 Volts
Power Source Corded Electric
AC Adapter Current 8.8 Amps

About this item

  • Powerful 8.8 AMP motor; only 85dB
  • Variable speed control dial (690 -1,440 ft./min.) to match the speed to the application
  • Auto-tracking belt system tracks belt without adjustment
  • Innovative design for sanding flush to wall with nose and side of sander
  • Front grip design for comfortable operation
See more product details

Customer ratings by feature

Easy to use
4.6 4.6
Maneuverability
4.6 4.6
Ergonomic
4.5 4.5
Value for money
4.5 4.5

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This Item
Makita 9903 3" x 21" Belt Sander
Makita 9903 3" x 21" Belt Sander
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Details
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Price$61.99-8% $219.00
Typical:$239.00
$45.99-18% $49.00
List:$59.99
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Monday, Apr 1
Get it as soon as Sunday, Mar 31
Customer Ratings
Easy to use
4.6
4.6
4.6
4.3
Maneuverability
4.6
4.5
4.2
Ergonomic
4.5
4.5
4.5
Value for money
4.5
4.4
4.0
Sold By
Amazon.com
JELLAS
Abe's Electronics Center
Amazon.com
Amazon.com
power source
Corded Electric
Corded Electric
Battery Powered
Corded Electric
Corded Electric
grit type
Medium
Fine
Very Fine
Medium
grit number
80
60
0
80
0
maximum current
8.8 amps
7 amps
7 amps
6 amps
model number
9903
BS02-SD
DCW220B
7AMP Belt Sander
7510-01
voltage
110 volts
120 volts
20 volts
120 volts
120 volts
weight
9.5 pounds
9.6 pounds
7.17 pounds
5.51 pounds

From the manufacturer

9903 sander wood woodworking belt sandpaper paper grit smooth finish

Makita 9903 3" x 21" Belt Sander

Front Grip Design

Makita 3 x 21-Inch Belt Sander, model 9903, combines power and speed with ease-of-use features and less noise for fast and efficient stock removal. The 9903 is ideal for woodworkers, carpenters, furniture makers, floor installers, deck builders and general contractors.

The 9903 features a powerful 8.8 AMP motor with electronic speed control to maintain constant speed under load. The variable speed control dial allows the user to match the speed (690-1,440 ft./min.) to the application. The 9903 also features less noise: at only 84dB, it is one of the quietest sanders in its class.

Additional Features:

  • Dust bag for a cleaner work environment
  • Long 16.4 ft. power cord for easier maneuverability
  • Sands wood or metal and removes paint and rust
  • Double insulated

Key Features

accuracy auto tracking belt system tracks without adjustment

convenience large front grip operator comfort handle holding move

efficiency variable speed control dial feet per minute match speed application

performance innovative design sanding flush wall nose side sander close angle corners

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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Makita 9903 3" x 21" Belt Sander


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Product guides and documents

Product Description

Product Description

Variable speed control dial matches the speed to the application, auto tracking belt system, sands flush to wall with nose and side of sander, front grip, dust bag. Specs: 120V, only 85dB, ft./min. 690-1,440 , 11-5/8"L, 16.4 ft. power cord, double insulated, weight 9.5 lbs. Includes: (1) #80 abrasive belt, dust bag. Belt width- 3 inches.

Amazon.com

Makita's 3 x 21-Inch Belt Sander, model 9903, combines power and speed with ease-of-use features and less noise for fast and efficient stock removal. The 9903 is ideal for woodworkers, carpenters, furniture makers, floor installers, deck builders and general contractors who require a best-in-class belt sander.

The 9903 features a powerful 8.8 AMP motor with electronic speed control to maintain constant speed under load. The variable speed control dial allows the user to match the speed (690-1,440 ft./min.) to the application. The 9903 also features less noise: at only 84dB, it is one of the quietest sanders in its class.

Ease-of-use features include an auto-tracking belt system that tracks the belt without adjustment, and a front grip for comfortable operation. The low profile design provides better balance, and the extended base allows sanding flush to wall with nose and side of sander. The 9903 is easily maneuvered with the long 16.4-foot power cord, and the highly efficient dust collector reduces dust in the work area. An optional sanding shoe is available for precise sanding depth control.

The Makita 9903 is engineered for cabinetry and woodworking, and is ideal for wood panels, furniture, closets, and more. The 9903 is just another example of Makita's commitment to innovative technology and best-in-class engineering.

About Makita's Power Tools
Makita delivers precision, accuracy, capacity, and innovation to woodworkers. Makita has full range of miter saws, jig saws, circular saws, routers, planers, sanders, nailers and staplers, blades, compact cordless drills and impacts, and more. Makita's woodworking solutions are engineered for pro contractors, for use in high production settings and in home shops.

About Makita
Makita is a worldwide manufacturer of industrial quality power tools and offers a wide range of industrial accessories. Makita applies leading-edge innovation to engineer power tools that are more compact and energy efficient, yet deliver industrial strength power and results. Makita U.S.A., Inc. is located in La Mirada, California, and operates an extensive distribution network located throughout the U.S. For more information, please call 800/4-MAKITA (800/462-5482) or visit makitatools.com. Makita is Best in Class Engineering.

Warranty
Every Makita tool is thoroughly inspected and tested before leaving the factory. If you are not satisfied with any Makita tool within 30 days of purchase, return it and Makita will provide a replacement or refund. Each Makita tool is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of Makita's Factory or Authorized Service Centers. Please see makitatools.com for complete details.

What's in the Box
Makita 9903 3 x 21-Inch Belt Sander, abrasive belt and dust bag.


Important information

Wattage

1010 watts

Bulb Voltage

110 volts

Customer reviews

4.6 out of 5 stars
4.6 out of 5
872 global ratings

Customers say

Customers like the quality, stability, ease of use, dust collection, and power of the sander. For example, they mention it's a professional grade tool, the belts track well, and the adjusting is simple. They appreciate the long cord and the fact that it sucks up saw dust like a vacuum.

AI-generated from the text of customer reviews

214 customers mention201 positive13 negative

Customers are satisfied with the quality of the sander. They mention it's well-made, powerful, and a professional grade tool. Some say that it'll perform nicely and is effective. Overall, customers are happy with their purchase and recommend it to others.

"This a great sander, the belt stays on and doesn't try to fly off like some, does what it is supposed to...." Read more

"...It's been extremely reliable, never any problem in the most demanding work I have thrown at it... so I decided to..." Read more

"This sander is a beast. It's heavy and solid!..." Read more

"...It is a definitely a keeper, silky smooth, quiet, and effective in a way that I do not understand, but am happy for...." Read more

86 customers mention78 positive8 negative

Customers are satisfied with the stability of the sander. They mention that the belts track well, stay on track, and are easy to adjust. The auto-tracking mechanism works well, and the paper tracks fine with no constant adjustments.

"This a great sander, the belt stays on and doesn't try to fly off like some, does what it is supposed to...." Read more

"...Power galore and perfect belt tracking, simple adjustment to bring belt to edge if needed (and it stays there)... what more could a belt sander need..." Read more

"...This sander is just quicker and easier to adjust the belt and the belt seems to stay aligned...." Read more

"...The belts track well with minor adjustments to the knob. Dust catcher is mediocre...." Read more

66 customers mention48 positive18 negative

Customers like the dust collection of the sander. For example, they mention it's very good, effective, and mediocre. That said, some say the suction is good and some escapes collection.

"...The dust collection works good." Read more

"...makita did just that uniformly and in a snap. darned nice dust collector. that puppy was jammed. really does it's job...." Read more

"...The belts track well with minor adjustments to the knob. Dust catcher is mediocre...." Read more

"...I could see sawdust around the belt. I was going to have it replaced but there was no replacement to new...." Read more

66 customers mention64 positive2 negative

Customers find the sander easy to use. They say the belts are easy to install, and the rewind lever is easy to operate. Customers also say the ad is easy maintain and clean, with no tools necessary. They also say it is easy maneuver.

"...Changing belts is just as simple as with any other belt sander I've used over the years --- pull back on the clamping lever (it says open), slip..." Read more

"...noticed the weight...it's well balanced and that accounts for the ease of use...." Read more

"...Belt changes are a snap with the release lever which tucks neatly into the chassis and operates with ease...." Read more

"...It is very easy to use and is very well built. I am very impressed with the quality...." Read more

56 customers mention49 positive7 negative

Customers like the power of the sander. They say it has plenty of power, is smooth running, and has excellent power. Some mention that the dust collection system works well. Overall, customers are satisfied with the power and performance of the tool.

"...Power galore and perfect belt tracking, simple adjustment to bring belt to edge if needed (and it stays there)... what more could a belt sander need..." Read more

"...Compact and powerful, the 503 is my gold standard for belt sanders, but is just too heavy and too powerful for this old man...." Read more

"...It has plenty of power and the balance and ergonomics are such that you can use it for extended periods with reasonable comfort...." Read more

"Powerful sander and runs smooth. It is designed to sand up against the edge of a board. To achieve this the motor is offset to the left...." Read more

50 customers mention35 positive15 negative

Customers like the weight of the sander. For example, they say it's heavy, which adds to its efficiency, and is easy to maneuver. Some say it is not too heavy to hold vertically for some period of time without tiring.

"This sander is a beast. It's heavy and solid!..." Read more

"...Belt tracking is easy to adjust and stays put. Light and easy to use overhead smoothing out high spots on and old ceiling repair that wasn't done..." Read more

"...powerful, the 503 is my gold standard for belt sanders, but is just too heavy and too powerful for this old man...." Read more

"its decent, not too heavy or light, reasonably quiet, very long cord which is a bonus!,..." Read more

45 customers mention34 positive11 negative

Customers like the value of the sander. They say it's well worth the price, and worth the extra freight. Some customers also mention that the product is strong and works as expected.

"Powerful, long cord, Makita professional grade tool. Worth the price if you want something you can count on." Read more

"...all in all good value for the money" Read more

"...factors to me were size (3x21 belt), dust control, noise, belt tracking and price. I picked one of the highest priced in the Makita...." Read more

"...product when you spend a lot of $$$ on it but this one is really worth the extra freight." Read more

43 customers mention43 positive0 negative

Customers like the speed of the sander. They mention that it works really fast, has a very high speed (1400 fpm), and the speed control is really useful. They also find the variable speed simple to use and effective. They say that it can slow it to a crawl and that it gets the job done quickly.

"...The variable speed allows the belt to move at a very low speed, making it very easy to remove small amounts of material from the surface you want..." Read more

"...When I first fired it up, I was surprised at how quiet was, and how smoothly it ran...." Read more

"...with the release lever which tucks neatly into the chassis and operates with ease. The tracking is easy to adjust and holds well once set...." Read more

"...I like the variable speed feature that my old sander didn’t have. I also like the dust bag to help contain some of the dust created...." Read more

got used unit not new
1 Star
got used unit not new
got used unit box poorly taped. saw dust shown on belt release side, belt mark shown on when i removed of the belt. I bought Makita saw and WEN belt sander never had this problem. amazon sold me a used one.update. i got a replacement one and got problems right away. The front roller seems to release more pressure bite on the left side about 1mm dept and 3/4" wide that you can see it left on the belt. it ruined my tabletop even i used a fine grit belt. It has a lot of vibration during sanding. may be its bad batches ( i bought it for only $205) i got cheaper sanders (2 harbor freight a craftsman and 2 Wen in the past 10 years) and never have these problems.2nd update. i got a 2nd replacement sander and i sanded my tabletop and it still have the same problem. you can see it sanded dig in to one side. dusts appeared only one side. (see image 4and 9). it leaved thin dust line on table surface. makita has a serious qc problem. im done with it.
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Top reviews from other countries

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Andy
5.0 out of 5 stars High Quality Sander
Reviewed in Canada on October 25, 2023
Jungle
3.0 out of 5 stars Limited use
Reviewed in the United Kingdom on August 29, 2021
OBINSO
5.0 out of 5 stars Todo bien
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5.0 out of 5 stars Smooth and powerful
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