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Dremel 90930-05 Carbon Motor Brush Set, Gray

4.6 4.6 out of 5 stars 1,431 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
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  • Adds Extra shine to your product
  • Manufactured in China
  • Restores life to your corded rotary tool
  • Designed for Dremel master mechanic, rotary tool and contour sander models
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From the manufacturer

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About us

Dremel is known worldwide for being the creator and manufacturer of high speed rotary tools. All our products reflect the company’s commitment to innovation and quality. Since 1932, Dremel has built the tools to accomplish your vision, bringing your ideas to life. When we all create, refine, and reinvent, our world is a richer, more personal place to live. We deliver long-lasting products that can keep up at the pace of your imagination. We are more than just engineers creating innovative and safe tools; we are craftspeople redefining the way we all make.

In 1957 Dremel Moto-Saw Jig Saw introduced. In 1993 Dremel was purchased by Bosch in 1993, and is currently a division of the Robert Bosch Tool Corporation. In 2014 Dremel introduces the 3D printer withthe launch of the Digilab 3D20 Idea Builder.In 2020 Dremel introduces it's Home Solutions products the Electric Screwdriver and Flashlight. Every year the company continues to expand, entering markets throughout

Product Description

Product Description

With a Dremel high-speed rotary tool, you’re holding nearly a century of innovation and engineering in your hand. We’re the original inventors of the rotary tool and today we’re the leading manufacturer of the tool that has transformed DIY. The Dremel tool range gives you a wide selection of rotary tools and accessories, including the EZ Lock™ quick-change system. You can also choose from various rotary attachments to carry out high-precision work with amazing results. The Dremel high-speed rotary tool raises the bar for optimum functionality, versatility and ease of use. Whatever your needs and whatever your level, with the Dremel rotary tool system you can tackle any DIY project no matter how big or small. Ensure optimal performance of your motor and restore life to your corded Dremel rotary tool. Includes one pair of motor brushes for use with select Dremel rotary tool models. Depending on your application motor brushes should last between 50 and 100 hours of use. Includes 2 motor brushes. Compatible with Dremel 275, 285, 300, 295 and 595 corded rotary tool models.

Amazon.com

The Dremel Carbon Motor Brush Set restores life to your corded rotary tool. These motor brushes are designed for Dremel master mechanic and rotary tool models. They can also be used with Dremel contour sanders. These brushes should be replaced every 60 hours. This set includes two brushes.

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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.

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Dremel 90930-05 Carbon Motor Brush Set, Gray


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What's in the box

  • cleaning-brushes
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    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    1,431 global ratings

    Customers say

    Customers like the performance, fit, quality and value of the carburetor. They mention that it works well, fits perfectly and is better than original parts. Some appreciate the value for money. They also like the speedy delivery and ease of installation.

    AI-generated from the text of customer reviews

    83 customers mention65 positive18 negative

    Customers like the performance of the carburetor. They mention that it works well, the brushes work great, and it runs like new. Some say that it has no issues and is perfect.

    "Worked great & fixed the problem! Easy to install !" Read more

    "This brush set worked perfectly for me." Read more

    "These are dremel original brushes, my dremel worked great after installing." Read more

    "Direct fit! Works great!" Read more

    69 customers mention51 positive18 negative

    Customers like the fit of the carburetor. They mention that it fits perfectly on a Dremel 395 Type 5, and is a perfect fit for older Dremmels.

    "...They replace the brushes in a Dremel 3000. They fit perfectly... Unfortunately for me they didn't fix the lack of power issues I'm having, but they..." Read more

    "...to confirm these are the correct brushes for the Dremel 3000, and fit perfectly...." Read more

    "...Yes, but it's definitely NOT made for the Dremel 4000.The copper spring is longer and a thinner gauge than the original...." Read more

    "Perfect oem fit and function. Fixed my dremel I have had for years." Read more

    37 customers mention37 positive0 negative

    Customers are satisfied with the quality of the carburetor. They mention that it is better than original parts, a good product, and a perfect replacement. Some say that the product was received in excellent condition and that it was easy to use.

    "Better than original parts and they fixed my dremel" Read more

    "Great packaging and exact replacements for my Dremel tool motor brushes." Read more

    "Great replacement for Dremel motor brush" Read more

    "Great brushes. They come in a Dremel package...." Read more

    29 customers mention24 positive5 negative

    Customers like the value of the carbon motor brushes. They say it saves them money, is worth the investment, and is easy to use. Some mention that the brushes are cheap and a great investment for the life of their dremel.

    "...having, but they are exactly what they are supposed to be and at a decent price" Read more

    "...The brushes were definitely worth the investment." Read more

    "Easy to install and good price" Read more

    "Purchasing these carbon motor brushes saves me a lot of money from having to purchase complete me Dremel tools...." Read more

    26 customers mention26 positive0 negative

    Customers are satisfied with the service provided by the carburetor company. They mention that the delivery was super speedy, with no delivery problems. The product works well and runs smoothly.

    "The brushes came packaged nicely and both were in the original packaging...." Read more

    "Great packaging and exact replacements for my Dremel tool motor brushes." Read more

    "...It did relieve the whining on low speed, however the whining continues on high speed...." Read more

    "...Fast service!" Read more

    23 customers mention23 positive0 negative

    Customers find the installation of the carburetor to be easy. They mention that the tools are easy to use and install with just a screwdriver. Some say that the directions are helpful. Overall, most are satisfied with the ease of installation and maintenance of the product.

    "Worked great & fixed the problem! Easy to install !" Read more

    "Easy to install and brought the old dremel back to life!" Read more

    "...Super easy!" Read more

    "These brushes are a perfect fit and easy to install. They come in an easy to open packagae as long as you have scissors on hand...." Read more

    4 customers mention4 positive0 negative

    Customers are satisfied with the smoothness of the carburetor. They mention that it quieted down their engine and made it slightly smoother. They also say that it smoothed out the variable speed control.

    "...these took care of the annoying rattling sounds and smoothed out the variable speed control." Read more

    "...It quieted down mine and made it slightly smoother. Delivered on time and would recommend if you haven't done so yet...." Read more

    "Works great. Pop in went smooth." Read more

    "Fits, works, runs smooth, what more can I ask for?" Read more

    13 customers mention8 positive5 negative

    Customers are mixed about the durability of the carburetor. Some mention that the brushes are easy to replace, while others say that they tear up fairly quickly. Some customers also mention that none of the tools lasted long enough to change the brushes.

    "Easy to replace. If you actually call the Dremel company (or Bosch Tools) they usually will send few small parts as you need, at no charge." Read more

    "...Last week one magnet gave up and broke. Ordered new ones and that sucker really spins now." Read more

    "...The brushes were so easy to replace and the tool worked as good as the day it was new...." Read more

    "...replacement for a Dremel that had chewed up one of its brushes, easy to replace." Read more

    Perfect for Dremel 3000, but didn't fix my issue
    4 Stars
    Perfect for Dremel 3000, but didn't fix my issue
    Just to confirm these are the correct brushes for the Dremel 3000, and fit perfectly. However, replacing these did not fix my issue (motor would come on sometimes when shaking the unit). Cleaning up the area on the motor where the brushes touch did not fix the issue either.The issue turned out to be that the four pins that come out of the other motor housing (not sure of the name, it plugs into the switch assembly) were not making good contact. I figured this out by wiggling the placement of the switch and this housing and was able to determine it would work sometimes. To make a fix, I cut away the plastic, exposing the metal clips underneath. I then trimmed down the pins on the switch a bit, and when putting it back together I soldered all four pins to their clips. The result is that the switch assembly and outer motor housing are one unit now, so I don't have to worry about it coming apart. It isn't pretty, but it sure beats a non-working dremel.I should also mention that I had to manually splice one of the copper wire ends to the clip with some 28 gauge stranded wire; not sure if it was lose from the beginning, or if it was because I messed it up when cutting away the plastic to expose the clips. There is plenty of room though so I just pre-tinned my wire, held it up to the copper end and soldered it, then wrapped it around and soldered it to where I had previously soldered the switch pin.To test that everything is going to work before re-assembling, you can use a multimeter on ohms to ensure that you are getting about 8ohms across the two pairs of farther apart pins.
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    Top reviews from the United States

    Reviewed in the United States on January 4, 2024
    Size: No SizeVerified Purchase
    Reviewed in the United States on December 18, 2023
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    Reviewed in the United States on December 11, 2023
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    Reviewed in the United States on March 7, 2015
    Size: No SizeVerified Purchase
    Customer image
    4.0 out of 5 stars Perfect for Dremel 3000, but didn't fix my issue
    Reviewed in the United States on March 7, 2015
    Just to confirm these are the correct brushes for the Dremel 3000, and fit perfectly. However, replacing these did not fix my issue (motor would come on sometimes when shaking the unit). Cleaning up the area on the motor where the brushes touch did not fix the issue either.

    The issue turned out to be that the four pins that come out of the other motor housing (not sure of the name, it plugs into the switch assembly) were not making good contact. I figured this out by wiggling the placement of the switch and this housing and was able to determine it would work sometimes. To make a fix, I cut away the plastic, exposing the metal clips underneath. I then trimmed down the pins on the switch a bit, and when putting it back together I soldered all four pins to their clips. The result is that the switch assembly and outer motor housing are one unit now, so I don't have to worry about it coming apart. It isn't pretty, but it sure beats a non-working dremel.

    I should also mention that I had to manually splice one of the copper wire ends to the clip with some 28 gauge stranded wire; not sure if it was lose from the beginning, or if it was because I messed it up when cutting away the plastic to expose the clips. There is plenty of room though so I just pre-tinned my wire, held it up to the copper end and soldered it, then wrapped it around and soldered it to where I had previously soldered the switch pin.

    To test that everything is going to work before re-assembling, you can use a multimeter on ohms to ensure that you are getting about 8ohms across the two pairs of farther apart pins.
    Images in this review
    Customer image
    Customer image
    25 people found this helpful
    Report
    Reviewed in the United States on March 10, 2024
    Size: No SizeVerified Purchase
    Reviewed in the United States on February 23, 2024
    Size: No SizeVerified Purchase
    Reviewed in the United States on January 8, 2024
    Size: No SizeVerified Purchase
    Reviewed in the United States on October 7, 2015
    Size: No SizeVerified Purchase
    Customer image
    RC
    3.0 out of 5 stars Works for Dremel 4000, but needs some work, not a direct replacement.
    Reviewed in the United States on October 7, 2015
    I bought this based on a single review that this works on the Dremel 4000.
    So that is what I'm basing my review on.

    So does it work with my Dremel 4000 ? Yes, but it's definitely NOT made for the Dremel 4000.
    The copper spring is longer and a thinner gauge than the original. So if you insert it, it could gets pushed in at an angle, it won't maintain good contact, so DON'T use that spring!

    To use the OEM springs, you have to shave the brush's fitting post a bit, with sand paper or a filer. It's quick and easy enough.
    The 90930 brush is smaller, so overtime it will likely wear out quicker and wear at an slight angle.

    So to conclude, it's definitely not meant to be used on the 4000. But CAN be made to fit.
    If you have easy access to the proper replacement parts, get them.
    If you don't, like me, who live overseas, this is a viable alternative.

    Hope that helps clear the fitment questions for 4000s.
    Images in this review
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    25 people found this helpful
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    Top reviews from other countries

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    Paulo
    5.0 out of 5 stars bom
    Reviewed in Brazil on February 25, 2024
    Size: No SizeVerified Purchase
    Oleksii
    5.0 out of 5 stars Work great
    Reviewed in Canada on February 16, 2024
    Size: No SizeVerified Purchase
    Umberto Sartori
    5.0 out of 5 stars Good
    Reviewed in India on July 16, 2023
    Size: No SizeVerified Purchase
    Andrea Spolidoro
    5.0 out of 5 stars Da adattare
    Reviewed in Italy on July 10, 2021
    Size: No SizeVerified Purchase
    moises assa
    5.0 out of 5 stars Fit perfecto para dremel 3000
    Reviewed in Mexico on January 5, 2019
    Size: No SizeVerified Purchase
    3 people found this helpful
    Report