Electric Drill: Chuck Won't Hold Bits
If your chuck won't hold bits, check the following parts: the drill chuck, keys, and chuck screw. This should be an easy repair that you can do on your own, with some help from us. Once you know which part is causing the problem, check out our expert tips on how to complete the repair. Check your owner's manual for detailed instructions on your model.
Once you’ve broken the tightness of the screw, loosen the chuck and continue to remove the screw. Insert a big allen key into the chuck and tighten it down. Hit the allen key with a hammer to loosen – this is reversed thread. You may have to hit it a few times for the stubborn ones. When it has loosened, continue to remove it from the spindle. Install the new drill chuck by...
Once you’ve broken the tightness of the screw, loosen the chuck and continue to remove the screw. Insert a big allen key into the chuck and tighten it down. Hit the allen key with a hammer to loosen – this is reversed thread. You may have to hit it a few times for the stubborn ones. When it has loosened, continue to remove it from the spindle. Install the new drill chuck by threading it on the spindle, remembering this is reverse thread. Then, insert the allen key back on the drill chuck and tighten the chuck onto the key. Use the allen key to tighten the drill chuck on the drill, hand tight, then loosen the drill chuck and remove the allen key. Insert the screwdriver inside the drill chuck to tighten the chuck screw, remembering that this screw is reversed thread.