I can't get the tool bit out of my Dremel 300. I depress the blue button and try to loosen the chuck with the little wrench tool that came with the Dremel but it won't budge. The blue button pops back up each time I twist the chuck even though I'm holding it down as tightly as possible. Any suggestions?
I had a similar problem with a router, the best way to do it is to get a clamp, a strong metal c clamp, not too big but big enough to fit chuck into, line one side of clamp up with button and the other on the chuck. tighten the clamp as tight as you possibly can so it presses and holds the button in, and does not slip. Then use a wrench or whatever tool you use to undo the chuck. if this does not work, try spraying some WD40 on and leave to work for a few minutes.
SOURCE: dremel rotary tool removing shaft of attachment
They can be stubborn. I would take padded pliers to the nut, and not focus on removing the shaft until the nut is loosened. Be careful not to damage the nut. You may also try spraying a light lubricate at the base of the nut and hold the dremel upside down so that some could possible get behind the nut.
SOURCE: help. Cannot remove the nut on the dremel
HELLO ,you must keep your thumb on the push button while trying to loosen the nut it sounds like your pushing the pushbutton in and then letting it go as you try to loosen the nut , i also have a dremel and i made the same mistake when i first got my tool , Hope this truly helps you get it off , I thank you for letting me try to help you Sincerely Glenn
SOURCE: i have a Dremel 300, i think, lol.. standard
call dremel and ask for the part need you model number so have it ready Dremel Service Center Dremel Authorized Service 4915 21st Street 4631 E. Sunny Dunes Road Racine, WI 53406 Palm Springs, CA 92264 Phone: 1-800-437-3635 Phone: 1-800-275-2052 1-262-554-1390 1-760-327-3003
SOURCE: My Dremel lock nut won't budge. My collet is
You'll need to use either the built in shaft lock to hold the collet in a fixed position, or use a pair of slip joint pliers to hold the shaft of the bit, while you use the wrench to loosen the collet. Slow and steady should get it loose. Another option is use some penetrating oil sprayed lightly onto the back of the collet to help loosen it from the shaft etc.
SOURCE: can't unscrew collet
it is possible that you stripped lock mechanism on the collet, for the beginning, never, ever, use wrench to tighten the collet! just hand tied, if it slips, tight it bit more, but with hands only.
i never used wrench on the collet and never have any trouble with any of my dremels.
to close, just hold firmly in one hand pressing locket button, tighten up with other hand, to undo, reverse procedure.
if you find bit is too lose, then you have collet inserts, find that one which hold bit firmly and use it on this particular bit. standard collet is 1/8" (3.175mm), but in the set there are collets from 0.0394'' (1mm) to 0.177" (4.5mm). do not use wrench...
just inspect now if thread is not stripped, on spindle and on collar, if locket still hold, if these are damaged, you need to change damaged part. and follow the advice :-)
if you find this advice useful, pleasae do not hesitate leave your remark and vote4 for me, thanx!
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