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a coworker of mine has a unibit permanently locked in his, unable to get the bit out, he now has to deal with dead weight of a locked DeWalt chuck on his expensive unibit. had our tool crib send one out and it lasted two days before it crapped out on me. have used these DeWalt chucks quite a bit in my line of work as a union tinner. sent it back for a replacement and the same thing happened to the replacement, turns out one of the three jaws would get jammed and not align with the others when tightening. for all the aggravation i'd much rather deal with a keyed chuck, or if you've got the coin, spring for the Hitachi chuck. even when it was working, i found it to be a PITA to get a bit in and out of it.
THIS IS GREAT I HAVE THE MAKITA HYBRID 4 FUNTION DRILL HAMMER IMPACT DRILL 2X SPEED AND TORQUE LIMITER ALL IN 1 AND ITS GREAT BEACUSE U ONLY NEED 1 TOOL IM AN ELECTRICIAN AND I DRIVE TAPCONS INTO CONCREATE ALL THE TIME AND I JUST INSERT MY DRILL BIT IN SWITCH TO HAMMER DRILL MODE DRILL MY HOLE AND SWITCH THE DEWALT CHUCK OUT TO A 5/16 NUT SETTER SWITH THE DRILL INTO IMPACT MODE AND DRIVE THE TAPCON HOME GREAT TOOL GREAT QUALITY FAIR PRICE. 5 STARS
I LIKE THIS PRODUCT FOR ITS SPEED ON THE JOB, BUT BROKE A 1/4" PILOT BIT DRILLING OUT WITH A HOLE SAW,PROBABLY SHOULD HAVE USED A REGULAR DRILL.
If you own an impact driver of any manufacturer, buy this kit. The attachments are well built and handy for anyone from the homeowner to mechanical contractor.
This is a high quality chuck that holds bits very well and is easy to connect to the 1/4 inch quick change drill chuck. It can be difficult to release the drill bits after use, and there were no instructions on how to tighten and release the bits once in the chuck.
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