Easy way to blacken threaded rod?





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  1. #1
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    Default Easy way to blacken threaded rod?

    Is there and easy way to blacken galvanized threaded rod ?
    I read up on Black Oxide using a special solution use in Cold blackening, you just drip it in and then take it out after a few mins.

    But I dont want it to rub off when touching it.

    Can it be done with electrolysis?

  2. #2
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    Default Re: Easy way to blacken threaded rod?

    Have it e-coated

  3. #3
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    Default Re: Easy way to blacken threaded rod?

    Visit Kare Sheetmetal in Hermanstad.
    Their coroson protecion shop will help.

  4. #4
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    Default Re: Easy way to blacken threaded rod?

    The easiest way to blacken steel is to heat it and dip it in dirty engine oil. But if its galvanized I dont know.

  5. #5
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    Default Re: Easy way to blacken threaded rod?

    First acid etch the galvanising then use Plungers method: red hot into engine oil.

    Alternatively acid and then rust preventer like Russist which cures black.

    Or else the following:

    Zinc[edit]

    Black oxide for zinc is also known by the trade name Ebonol Z.[14] Another product is Ultra-Blak 460,[15] which blackens zinc-plated and galvanized surfaces without using any chrome and zinc die-casts.
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  6. #6
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    Default Re: Easy way to blacken threaded rod?

    Quote Originally Posted by Flee View Post
    Visit Kare Sheetmetal in Hermanstad.
    Their coroson protecion shop will help.
    I agree. Kare will e-coat it for next-to-nothing.
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