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Dremel repair: The motor spins but the tool does not turn.

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  • Beechtree Aug 16, 2008

    I have the same problem....Plastic U Joint broken...can't find any part to repair. Oh dear....may try to improvise with some plastic tubing cut to length maybe. Anybody out there know where to get this parrt without buying the whole armature shaft? The Dremel parts list doesn't show this plastic part as being available separately.

  • Anonymous Aug 20, 2008

    The shaft on the motor broke can it be replaced?

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I use heat shrink and found one that was larger and cut it down to less than an inch. I heated it with a lighter enough to fit the same size over it. and then heated that one enough to slip inside. I did one more so I ended up with 3 of the same heat shrink tubing (pink) and covered over both of the shafts and heated the whole thing so they all sealed and made a connecting shaft. In a pinch it worked well and never had a problem. there is a picture attached.

Posted on Apr 16, 2009

  • shawn187 Apr 16, 2009

    This is the photo

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My Dremel is about twenty years old (model 285-3) and the plastic connecting piece crumbled with age. I called the Dremel company and gave them the part number from my parts list. The part is called a flex chuck, however I do not have the new part number. The person answering the phone knew what I needed and for about a dollar plus $2.00 shipping, I should be able to repair the Dremel like new.

Dremel 1-800-437-3635

Posted on May 13, 2009

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I had the same problem. It looked like the original part was surgical tubing. I used a 1 inch long piece of 1/4 inch ID TYGON tube 1/16 wall. Works great so far..

Posted on Jun 02, 2009

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1 Answer

My dremel 4000 turns on but acts like motor is froze put new brushes in same thing happens help


Have you tested the motor without load? If it spins outside of the dremel then there is probably a clog or gunk in the spindle of the bit connector keeping it from spinning. If it doesn't spin, then the motor is shot.

Oct 24, 2014 | Tools & Hardware - Others

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Dremel turns on but does not spin


Does it spin if you give it an encouraging twist? If so the motor start capacitor has burned out. If not, it depends on the construction of the motor. It could need new brushes, or have a burned out motor winding. Any way, it is possibly not economic to fix unless you have the right DIY skills. Consider a new one.

Jul 12, 2014 | Tools & Hardware - Others

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Dremel moto tool model 395 coupling from motor to


The part that goes between the motor and the chuck is called the CLUTCH UNIT,
REF 2615294309 it is a splined rubberised sleeve, it also fits the 276 and 396.
The price is £3.69 (including vat at17.5%) and can be obtained from Jaymac (Derby) Ltd.
http://www.dremel-direct.com/acatalog/service.html

Jul 19, 2010 | Dremel 395 Variable Speed Multipro Rotary...

1 Answer

I have a DREMEL 10.8 Volt rechargable. While using it, suddenly the motor shaft started feely spinning inside of the the entire mechanism that holds the bit. It is not a couling problem. The motor shaft...


I love Dremel I really, do but they have issues like all tools.
I know how to fix it but there is no places that sells the parts... If you can find one that had its motor blow, like from a friend, neighbor, or co-worker, you can swap out the parts your self...
I personally only buy craftsman. You can not beat a good warranty.

Jan 10, 2010 | Dremel 8000 01 Cordless Rotary Tool Kit...

3 Answers

My Dremel tool motor still works but shaft won't turn?


Here's the email from I got from Dremel (in my case the flex coupling broke):
Inside the tool is a flex coupling and spline driver.

The flex coupling is # 2615294309 and the price is $ 1.25.
This is the hollow plastic sleeve about 1" long with grooves on the
inside, that goes between the motor shaft and the output shaft.

The spline driver is # 2615294308 at $ 1.00.
Spline driver sits on the direct end of the motor shaft. The flex
coupling sits over the spline driver. Spline driver is about 1/4",
hard plastic with grooves on the outside.


Total shipping for orders under $ 5.00 is $ 2.50. Orders over $
5.00 is $ 4.00.


I have provided ordering instructions below.

To order by phone: 1-800-437-3635, Monday-Friday from 7 am to 6 pm
central time. VISA, MasterCard or Discover is accepted.

To order by mail:
Dremel
4915 21st Street
Racine WI 53406

Dec 06, 2009 | Dremel Variable - Speed Multipro Rotary...

1 Answer

Motor works but no drive to shaft.


My 15 year old Dremel 395 had the same problem so I took it apart. There is a plastic spline between the motor and the output shaft to the chuck . My plastic spline was split and had many of its teeth sheared off. The shaft lock acts on the output shaft side of this spline, so it was ok. Otherwise everything looked great; bearings ran free & had little play free, brushes ok. To be fair, my Dremel had seen hard use & doesn't owe me anything. No luck so far finding replacement spline parts, which if available should be easy to install. To take apart your tool, just google "Dremel Disassembly". GOOD LUCK!

Nov 28, 2009 | Dremel Variable - Speed Multipro Rotary...

1 Answer

The motor on my dremel 395 works but the bit doesn't turn


there is a coupling between the motor and the spindle that has probably cracked or stripped out. I suggest going to Dremel.com and getting an original replacement part for this. They are not hard to install.

Sep 02, 2009 | Dremel Variable - Speed Multipro Rotary...

1 Answer

I have a Dremel Single Speed Model 275 that belonged to my Dad. It suddenly won't turn on the end even though the motor is running at full speed. When I take my fingers and twist the end, it starts to turn...


The Dremel 275 (and other series) have a plastic coupler and spline that connect the motor shaft to the collet shaft (where the tools attach). The plastic fatigues and disintegrates, causing the collet shaft to stop, even if the motor is still running. The fix is about $5.00 --- two parts from Dremel. The 275 case is a **** shell that opens with the removal of six T-10 Torx screws.

Mar 28, 2009 | Dremel Tools & Hardware - Others

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