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Genmitsu

GS-775M 20000RPM 775 CNC Spindle Motor with ER11 Collet Set, DC 24V, High Power, Noise Suppression, Electrical DC Motor for 3018 CNC Router Machine

    • Based on 535 reviews
Condition: New
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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Feb 26 – Mar 1
Order within 18 hours and 35 minutes
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Features

  • DC: 24V. Speed: 20000/min.
  • Experience a quick and easy upgrade for your Genmitsu Desktop CNC.
  • Pre-installed motor noise suppression PCB provides enhanced performance.
  • It's compatible with 3018 Series CNC router. Applied to lathes, mills, car hoists, pumps & conveyors, etc. Please note that it cannot be used together with 3018-PRO offline controller.
  • Double ball bearing brush. CW/CCW rotation. If any question or issue occurs, pleasee feel free to contact us. We are always here to address your concerns and solve the problems.

Brand: Genmitsu


Speed: 20000 RPM


Voltage: 24 Volts


Horsepower: 75 Watts


Product Dimensions: 1.69"W x 1.69"H


Product Dimensions ‏ : ‎ 1.69 x 1.69 x 1.69 inches; 1.01 Pounds


Item model number ‏ : ‎ MR775


Date First Available ‏ : ‎ July 29, 2020


Manufacturer ‏ : ‎ Genmitsu


Customer Reviews: 4.3 4.3 out of 5 stars 535 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Feb 26 – Mar 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Yes, it is loud, but no louder than my wood router.
First thing I did was measure the runout. I put the motor in a vise and placed a dial indicator on the side of the collet holder (without the collet cap). Rotating by hand, the total runout is .001". This is very good. The collet holder is glued onto the motor shaft. I suspect this is because they tweak the thing until it's true. I'll bet this is why they give you a holder with the motor. You are purchasing a system. I would recommend that you never remove the holder because it'll never go back on straight. Went to install it on my cheapo 3018 and it wouldn't fit. There is a metal band on the motor, presumably so it will fit larger machines. The band simply snaps off, which allowed the motor to fit into the Z-axis bracket just fine. The diameter of the motor, without the band, is 1.65" I read all the reviews about ramping up the motor, but just for fun, I simply turned it on at full speed with the Candle interface. The motor came on without any issues. However, just for good measure, I will put the ramp-up code into the header section of the gcode generator so it's always there for all NC program files. The motor is very loud, but not because it's unbalanced or out of round. It runs at 20K RPM, so I would expect it to be loud. It isn't any louder than my Craftsman wood router. I was hesitant to purchase this motor, but since Amazon has a decent return policy, I decided to risk it. So far, I'm pleased. ... show more
Reviewed in the United States on July 16, 2022 by Uncle Larry
    • Great spindle upgrade!
Review Image by M.V. M.V.
The media could not be loaded. I've had my 3018 for a few years now and have used it a ton. I finally pulled the trigger and upgraded to the 20K spindle. Motor came 100% ready to go. Installed it and immediately wrote basic program in pic I added. Had to adjust some parameters and it worked flawless and smooth right away. Did 3 paw programs to test it out. SUPER HAPPY and can't wait to push the limits! Yes it is a bit louder than the slower stock motor but it's also spinning 2x's faster! ... show more
Reviewed in the United States on October 26, 2023 by M.V. M.V.
    • Great performance as long as you get one that is balanced
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Spindle gives excellent performance compared to the stock 10k. Has alot more power and the extra rpm allows you to run higher feeds and speeds. Alot less likely to chatter with the small bits hogging out materials. My first test was on 1/2" birch plywood running 20k rpm 30in/min feed 9in/min plunge and 0.028" depth per pass and it flew through like a hot knife through butter. That being said this is my second spindle the first one was so out of balance it was super loud and shook the machine like crazy compared to the stock spindle which was nearly silent. I put in for an exchange and the second spindle I received runs perfect just like the 10k but much better performance. Don't settle for one that is loud and shakes they aren't supposed to. ... show more
Reviewed in the United States on March 1, 2022 by Amazon Customer Amazon Customer
    • Great upgrade
This was a great upgrade to my 3018 pro. I upgraded the y axis and this spindle together and now I have a machine I can actually use to do bigger projects. It is considerably louder than the old one but no more than I expected, after all it is twice the RPM. First carve with it was 4 hours and it preformed fantastic. Much cleaner results. There is a slight vibration at around 14,000 to 15,000 rpm but nothing terrible. I will just avoid running it at those speeds. For the price it out preformed my expectations. ... show more
Reviewed in the United States on November 17, 2023 by AJ
    • Motor died upon first use: UPDATE
Genmistu 20K spindle is trash! It ran for 2 hours and died. Yes, I purchased the upgraded power supply before you ask. Yes I was using the upgraded power supply. STAY AWAY from this product, unless you like making returns to Amazon. This has completely changed my opinion of Genmistu, I was getting comfortable with their products and was considering a larger machine, guess I'll find another brand and start the whole process over again. One star - it died after a roughing pass, so the job is half done. Now I have to perform a spindle replacement in the middle of a job, put the old spindle back in the machine. I have to adjust speeds and feeds half way through this job. What a waste of time, think there will be response from Genmistu? I'll update if there is. Until then, 1 star, I'd give them less if I could. UPDATE: Genmistu sent a new spindle motor right away! The customer service on Amazon is very responsive and I was pleasantly surprised. I have since purchased another CNC from their Amazon store, it is supposed to arrive Friday. I'm overall pleased with the performance of this smaller one that I have currently. Now that I find their customer service to be responsive, I have no reservations about future purchases with them. I have since purchased a 300 watt motor and power supply, and I am completely satisfied with that order. (I even ran a 9 hour job with it, no problems). I will retract my initial opinion of them based on their response to my issue. ... show more
Reviewed in the United States on May 31, 2023 by Art Adams
    • Good spindle upgrade, great customer service
The 20k spindle is a very good upgrade to the base spindle that comes with the 3018-PROVer. You do have to either get a stronger power supply or ramp up the spindle speed properly, which is what I do, but otherwise it is a very quick and easy swap. This spindle cuts much faster, cutting my times by about 30%. One minor word of warning - running a CNC is never quiet, but this spindle is much louder than the original. What really puts this spindle over the top for me is the outstanding customer service I’ve received. My spindle started sparking internally, possibly from the brushes wearing out, after six months of pretty hard use, and when I reached out to SainSmart support, they immediately replaced it for me. They have been incredibly helpful every time I’ve had a question or an issue. I can’t rate their support here, but it would definitely get five stars too! ... show more
Reviewed in the United States on July 27, 2021 by TonyH

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