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Dr250 black and decker drill chuck stuck to where it will not tighten around a bit.


Posted by Anonymous on


6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 16 Answers


Keyless chucks normally have a knurled ring at the base of the chuck that you hold in one hand while turning the large knurled taper with the other. If the chuck has been overtightened, and you cant open like this, try using two stilson wrenches (Pipe wrenches) one on each of these parts. Use a soft cloth in the jaws to avoid damaging the knurling. You can also try some Q20 or similar into the chuck to help lubricate it.

Posted on Jun 15, 2009

  • 14 Answers

SOURCE: Keyless Chuck how do you change the bit? Model

hold outside collar on chuck firmly with your hand and reverse drill

Posted on Aug 02, 2009

  • 1124 Answers

SOURCE: my chuck wont open on my KD574CRE Black &

Try putting a vise grip on the bit,, and a big vise grip or chanel lock wrench on the key lock..

That should break it free..

Good luck..

Posted on Sep 10, 2009

  • 50 Answers

SOURCE: I have a Black & Decker DR250 Type 1, 3/8 inch

the coil spring should be attach to the 2 carbon inside it

Posted on Jan 16, 2010

  • 43501 Answers

SOURCE: The chuck is frozen on


Yes, they are an inferior product. However you can replace the B & D chuck with a Jacobs chuck that will hold up and last for a long time!

Jacobs Chuck


Posted on May 23, 2011

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I've run into this from time to time, usually have to fix it with two pairs of channel locks, one on each collar on the chuck. With the drill facing you, hold the inner collar steady and turn the outer collar counter-clockwise.
The chuck should not stick like that under normal circumstances (mine only did it when it got full of sawdust), so there may be a mechanism issue and there is a fair possibility that you will break the chuck doing this repair. That being said, 30 bucks is reasonable for a new one, and it's not doing you much good jammed like that.

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If it's an inexpensive bit, odds are it's spinning in the chuck. If the chuck key can't tighten the jaws well enough, you'll need to borrow or buy a different drill (or you could replace the chuck).

If you bought an SDS bit (one with slots milled in the shank), you're best off buying a bit made for a standard drill. It's not impossible to get a SDS bit to chuck into a standard drill, but it's difficult and they often slip loose during drilling, messing up the hole.

Take care!

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2 Answers

Black decker drill

If the problem is with very small bits 1/16" for example, the chuck could be defective in either design or manufacture. I have had this problem with a cordless model FS1800D. Waiting on a replacement chuck.

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