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Questions About Lug Nuts

Discussion in 'Early CJ5 and CJ6 Tech' started by Hellion, Oct 2, 2019.

  1. Oct 2, 2019
    Hellion

    Hellion Banned

    Eastern TN
    Joined:
    Dec 25, 2016
    Messages:
    495
    My tattered old heap came with a mixture of chrome, closed-end acorn style and plain open-end style lug nuts on all four wheels; a real mix and match. The previous owner(s) just used whatever he had on hand to replace a lost nut so I am looking into a whole new set of 20.

    I know the thread size is 1/2" x 20 and all mine are right-hand threads, so no issues there but ...

    1) What type was standard on a 1967-1968 CJ5?

    2) Was there a special type provided by an original equipment manufacturer?
    2a) What did they look like? If open-end, were they plain steel, zinc plated or chromed?

    3) Did they have a bevel on the base [and a specific bevel angle] to match the factory wheels?

    4) Regardless of style, type and being period correct, is there any advantage to closed-end versus open-end?

    I'm currently running this kind of wheel v v and hope whatever lug nuts I end up with will play happily with OEM style steelies if I decide to go original....

    [​IMG]

    All kinds of choices on that popular auction site, even black powder coated open-end or the most basic of types $10-$12 per 20.
     
  2. Oct 2, 2019
    Vanguard

    Vanguard Chief Cook and Bottlewasher Staff Member

    Brighton, MI USA
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    Aug 30, 2006
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    1,676
    4. - Closed end nuts protect the end of the stud from dirt and corrosion.
     
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  3. Oct 2, 2019
    Twin2

    Twin2 not him 2020 Sponsor 2019 Sponsor

    Virginia Beach, VA
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    I just use stock lug nuts with wagon wheels :whistle:
    did have chrome ones for years . but they rust and flake
     
  4. Oct 2, 2019
    PeteL

    PeteL Member 2020 Sponsor 2019 Sponsor

    Hills of NH
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    X2
     
  5. Oct 2, 2019
    Keys5a

    Keys5a Sponsor

    Florida Keys
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    Original lug nuts were just open-ended and lightly plated (zinc? Chromate?) and have a tapered end to fit the rim. As far as I know, all wheels use the same taper, except some alloys that use a shoulder style lug.
    I know I have some closed end chrome lugs that have to be pushing 40 years old that have no rust, even from Hatteras beaches. They just don't make 'em like they used to!
    As long as you have some lubrication on your studs, I think regular open end lugnuts are fine. I have been using CRC Marine Corrosion Inhibitor spray on things like these studs for the past 5 or so years, and I really like the results.
    -Donny
     
    Hellion likes this.
  6. Oct 2, 2019
    kenb

    kenb Member

    Detroit
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    Jan 22, 2019
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  7. Oct 2, 2019
    PeteL

    PeteL Member 2020 Sponsor 2019 Sponsor

    Hills of NH
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    Correct. The military nuts are different than civilian, at least on my Jeeps
     
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  8. Oct 2, 2019
    Jw60

    Jw60 Recovering Jeepaholic

    Sedalia MO.
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    Oct 5, 2018
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    Open end so you can see the 3 extra threads and know you are good.
     
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  9. Oct 2, 2019
    Buildflycrash

    Buildflycrash Member 2020 Sponsor

    Gulf Breeze FL...
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    Jun 5, 2007
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    ...and make it super easy to slide on the impact socket.
     
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  10. Oct 2, 2019
    colojeepguy

    colojeepguy Colorado Springs 2019 Sponsor

    At the foot of...
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    I like the bulge seat lug nuts....keeps the tire jockey at the tire store from banging my wheels up with his impact socket.
     

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