Keyless chuck will not tighten down enough to hold bit
When drilling, the bit comes lose, when inserting the bit, I held the outer ring - felt the "click" that means it is tight. Started drilling, and drill bit slid inside drill , reset it, drill bit came out of drill and stayed in metal I was drilling.
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Re: keyless chuck will not tighten down enough to hold...
What size bit are you using if it is real small it may be below the min sixe require for that chuck .If it is say 1/8 or larger it may be time for a new chuck .They are easy to replace open the chuck as far as you can there is a screw inside them most of them are left hand threads just back it out and tap the chuck loose with a hammer .Make sure you know the threads of your chuck when you buy the new one most are 1/2-20 but some can be 3/8-24 tpi
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Most new cordless drills don't have a key(keyless chuck). Put the drill in reverse and hold tight to the chuck barrel, pull trigger and the chuck will open. Opposite to close/tighten Best I can do with info provided
If your drill has the original keyless chuck on it, there are two plastic rings on the chuck. The outer ring should tighten and loosen by hand enough to hold the bit(s). The inner ring is to hold on to if the chuck gets overtightened. Chucks do wear and get corroded over time and can get locked in position. If you can't get it loose by hand, channel lock pliers can help. If the chuck is that bad you may need to replace it.
If a large enough drill bit is inserted too far so it bottoms in the chuck, the jaws run into the bottomed shank and will not close beyond a certain point due to the interference. If you hold the drill bit out about 1/2 inch from the bottom, the jaws should close on the bit. I assume you have tested the chuck without a bit to verify they can close.
It is a keyless chuck. Put the drill in reverse (chuck should spin to the left when viewed from the back) and hold the main body area of the chuck with your hand while slowly running the drill. The chuck will open (unless it is broke) and release the bit. You do the opposite (slowing running the drill in forward) for tightening a bit in the chuck.
Try shooting some WD-40 lubricant into the 'chuck' and let it sit for awhile, then rotate the outer part of the chuck CCW to loosen the 'jaws'. If the chuck is a keyless type, just hold the chuck and turn the reversing switch to 'reverse', then gently apply power to the trigger--that should open the chuck jaws. You will likely find that a leather glove on the hand holding the chuck will help prevent a burned hand if you lose your grip. If it is a keyed--type chuck (there will be ring of gear teeth on the front edge of the chuck), then a key with a small gear near one end is required to turn the chuck open (turn the key CCW). Hope this helps!
I'm assuming this is a drill/driver but you did not indicate a model. If it's a keyless chuck, and most are, put the drill in reverse, hold the chuck housing near the body of the drill firmly and pull the trigger. the chuck jaws will open wide enough to remove the old bit and insert new one. To tighten, switch the drill into forward gear, hold the chuck and pull the trigger until the bit is firmly held in the jaws.
This drill uses a keyless chuck. which means you have to hold onto the barrel by the end of the drill chuck. Then you need to put the drill in reverse to open the chuck to put a bit in. Insert a bit and then put the drill back into forward and hold chuck to tighten.
I have the same drill and love it !! This series of Craftsman Drills are the first of the keyless chuck. To tighten or loosen the bit, simply pull back on the black ring tightly and hold it and simultaneously pull trigger to run drill foreward (to tighten bit). Reverse (to loosen bit). The chuck will make a loud clicking sound!! This is normal !
hi this should be reletively easy hold the end black bit with the sivler bit holde coming out not the black bit next to the yellow case on drill you hold the black part thats at end of drill by where the bit goes into not the black bit near the trigger hope i explain this ok. Hold this bit tight then put drill in reverse then press trigger a couple of times it might be tight but shouldnt be that tight it wont undo. 1 put in reverse 2 hold black plastic piece near where drill bit goes into 3 press trigger few times 4 this should undo it allowing you to put a bit in make sure its in reverse else you will just tighten it up more let me know if you need further assistance ok