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Thread: Cleaning sizing die

  1. #1
    Boolit Mold
    Join Date
    Oct 2021

    Cleaning sizing die

    What do you use to clean the lube out of your sizing does? I have a problem with it building up and making everything sticky.

  2. #2
    Join Date
    Jan 2022
    Disassemble it and run a cleaning patch saturated with alcohol through it.

  3. #3
    Boolit Grand Master Char-Gar's Avatar
    Join Date
    Mar 2005
    Deep South Texas
    Quote Originally Posted by Bakebfr480 View Post
    Disassemble it and run a cleaning patch saturated with alcohol through it.
    ^^^^^^^ correct answer
    Disclaimer: The above is not holy writ. It is just my opinion based on my experience and knowledge. Your mileage may vary.

  4. #4
    Boolit Master Shawlerbrook's Avatar
    Join Date
    Nov 2015
    Central NY
    Good advice above ! I used brake cleaner, but there are many solvents that work.

  5. #5
    Boolit Master Sasquatch-1's Avatar
    Join Date
    Jan 2012
    Martinsburg, WV
    I use a hairdryer to soften things up and then use acetone for the final clean up.
    ps Take the O ring off before cleaning.
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  6. #6
    Moderator Emeritus

    georgerkahn's Avatar
    Join Date
    Sep 2013
    South of the (Canada) border
    Quote Originally Posted by JodyPenny View Post
    What do you use to clean the lube out of your sizing does? I have a problem with it building up and making everything sticky.
    While I cannot disagree with the solvents mentioned in above posts, I have been a user of Mineral Spirits. In my experience, this -- complemented with a bit of brushing and passing a patch or two through -- gets my dies quite clean! Kindly note that I use the "old" mineral spirits -- petroleum based with quite the odour. I bought a (blue) can so labeled, but quite clearly NOT the same stuff at Lowe's not that long ago which did not work well at all. Hence -- if you wish to try using this solvent, make sure yours is the paint thinner old stuff .

  7. #7
    Boolit Master

    Rcmaveric's Avatar
    Join Date
    Jul 2017
    Jacksonville, FL
    Disassemble. I use WD-40 with brass brush. Clean all the excess out. Wipe a little sizing oil on the inside with a quitip. Then on the outside Boesheild for the body or Fluid Film. My tools are in the garage and preventing rust is important.

    Thinks for reminding me. I need to go clean my dies and guns. Everything got rusty in the move snd its driving me nuts. But i still jeed to organize the shop. Owe were to begin. I need an assistant or aprentice.

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  8. #8
    Boolit Master
    Join Date
    May 2007
    +1 with the mineral spirits. Use Q-tips, too.

  9. #9
    Boolit Grand Master

    Winger Ed.'s Avatar
    Join Date
    May 2007
    Just outside Gun Barrel City, Texas
    I've never had much problem with build up in a sizer die, but the seating die would accumulate lube rather fast & often.

    For both, I run a nylon bore brush up in it to break the goo loose, then wrap a patch around it and do it again to get the mess out.
    It's quick, I leave the die in the press, and seems to do a good job for me.

    When I'm done, they get a good deep cleaning, then go into storage.
    Last edited by Winger Ed.; 01-25-2022 at 08:09 PM.
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  10. #10
    Boolit Master
    Outer Rondacker's Avatar
    Join Date
    Mar 2014
    NY in the Adirondacks
    All these methods work well. My buddy drops his in the ultra sonic cleaner. Claims it works the best.

    Me carb or brake cleaner then some patches. But I not had to clean one in a while since PC.
    Stop being blinded by your own ignorance.

  11. #11
    Boolit Master brassrat's Avatar
    Join Date
    Feb 2012
    Just don't boil in vinegar unless you want a Lee die that has a blued finish like a gun.

  12. #12
    Boolit Master

    pworley1's Avatar
    Join Date
    Dec 2013
    I use Ed's Red
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  13. #13
    Boolit Master Randy Bohannon's Avatar
    Join Date
    Oct 2016
    Buffalo WY
    Mineral spirits with enough ATF to color it pink, good for paint brushes and dies, cleans and leaves some protection.

  14. #14
    Boolit Buddy iron brigade's Avatar
    Join Date
    Jan 2010
    Kroil works well for that

  15. #15
    Boolit Bub jlb300's Avatar
    Join Date
    Mar 2008
    I also use the break cleaner or carburater cleaner and a few Q-tips, taking off the O-ring first, then a towel with a little gun oil on it to coat it so it slides in easily. No problems with that method.
    It ain't a sin to be stupid,but it is awful unhandy.

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