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Thread: Chuck Hex Screw

  1. #1
    Join Date
    Dec 2008
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    Wylie, Tx
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    1,680

    Default Chuck Hex Screw

    Anyone know the size of the Hex screw that goes in the chuck (secures the bit). It seems to be wearing out (my fault) and needs replacing. Also, would it be best to leave the bit in place when changing out the screw so as to keep everything lined up inside the chuck? Just wondering the best method... hopefully without having to take out the chuck and do it that way. Thanks............
    JerryB:.

    CarveWright START U Team Member
    Using 1.187, Conform, PE/Probe, Centerline.

    "Let's start sharing PTNs instead of MPCs so ALL SW versions can view & share"

  2. #2
    Metallus's Avatar
    Metallus is offline Firmware Lord, Web Guru, IT King, Raccoon Catcher, Cable-repairer, Bucket Dumper, Undisputed Thumbs-Down Champion
    Join Date
    Aug 2007
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    923

    Default

    its a 5 x 20 mm using a 4mm hex wrench.

    yes, leave the bit in place...makes life easier. don't forget the washer

  3. #3
    Join Date
    Aug 2010
    Location
    Central NJ, In the Pinelands
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    120

    Default

    I just had to replace my screw as well, my issue was the angle I have to access the chuck because of the machine location and the dust collection system hood, I have not hit the head of the screw with the allen wrench perfectly and over time I have rounded out the allen head. I will be more careful going forward. Leaving the bit in normally is not an option since I usually have to place and remove 2-3 bits (once for set up and once for carving) for each of my projects. No excuse for sloppy handling though.

  4. #4
    Join Date
    Aug 2013
    Location
    West Central Illinois
    Posts
    80

    Default

    Was afraid my chuck hex screw was wearing out. Hard to get T-handle wrench lined up straight - dust collector hood on bottom and light strip above. Found round ball hex end on long handle - like a screwdriver. Life is now easier.

  5. #5
    Join Date
    Jan 2007
    Location
    mira loma, ca
    Posts
    296

    Default

    I too have worn out a few hex screws in the past....I am actually using an L-shaped allen wrench on it and works great....plus, I just seem to get a better feel and fit when tightening it down...

  6. #6
    Join Date
    Jan 2012
    Location
    Greenfield, Massachusetts, United States
    Posts
    66

    Default

    My hex screw is on the way out so THANKS to all who posted here. I will hit the hardware store and pick one up.

  7. #7
    Join Date
    Oct 2009
    Location
    Central Wisconsin
    Posts
    291

    Default

    I needed to replace the allen head screw in my RC after about 5 years. I found one at Ace Hardware. I use an allen head screw driver bit glued into a socket on the end of a 15” extension with a ” ratchet.

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