magnet holder: 5/16 x 2-1/4

Discussion in 'Mystery Parts' started by Katskamper, Apr 15, 2018.

  1. Katskamper

    Katskamper Active Member

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    Nov 21, 2015
    Fort Worth, TX
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    my friend in El Paso has these in her setup kit. she uses to magnet tarps to her van and other things.
    one came home with me, so I can make my own.
    I have the circle magnet, and bolt/nuts. But I cannot find the steel "cup" that the magnet is in at my local hardware stores.

    Question:
    what is JUST the silver cup thing, and can I get them without the magnet?
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    here is what I found online today:
    https://www.grainger.com/product/49M039
    http://www.choumag.com/CeramicCupAssembies.html

    Next questions: how do I determine pull strength without equipment?
    what would be strong enough to magnet tarps to the steel pole/roof cabanas at my fave ACE parks, that will withstand the 35mph Texas 'breeze'?
    what would be toooooo strong to pull off by hand? #75?

    Thank you in advance. I know someone here will have the answer!
     
    Last edited: Apr 16, 2018
  2. Raycfe

    Raycfe Waterford Ct.

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    Oct 3, 2007
    Waterford, Ct
    As for the cup ....... try an automotive freeze out plug
     
  3. Fless

    Fless Active Member

    [Edit: Ray beat me to it!]

    @Katskamper, depending on the size you need, an auto engine freeze plug might work. Try the auto parts stores and take your magnet along for sizing.

    [​IMG]

    _
     
    Last edited: Apr 15, 2018
  4. neighbormike

    neighbormike Well-Known Member

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    WI
    What they ^^ said... and here I thought I would have an "original"
    answer for you lol [:D]
     
  5. SteveP

    SteveP Well-Known Member

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    May 21, 2015
    I found something similar, it has a hook, instead of a bolt, at Home Depot. I got them to hang misc items on the steel walls of my tool shed. The ones I got are only 25 pounds, but they had heavier in stock.
    Search for "pot magnet" on google or amazon.
     
    Katskamper likes this.
  6. roybraddy

    roybraddy Well-Known Member

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    King George, Virginia
    Its just me but I never liked to have anything magnetic around me and my things.. Always afraid I am going to erase something that might be important. Credit cards etc haha

    Roy Ken
     
    jnc likes this.
  7. Katskamper

    Katskamper Active Member

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    Nov 21, 2015
    Fort Worth, TX
    these dont have holes for bolt. almost!
     
  8. jnc

    jnc Welcome from New Hampshire

  9. Fless

    Fless Active Member

    Figured if you were doing this you'd have a drill. LOL
    _
     
    neighbormike likes this.
  10. Katskamper

    Katskamper Active Member

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    Nov 21, 2015
    Fort Worth, TX
    all good options, but no one has found JUST the steel cup part yet.
    why is that one part so dang hard to find?
    and so pricey?
     
  11. Fless

    Fless Active Member

    Why not ask your friend where she got hers?
    _
     
  12. Katskamper

    Katskamper Active Member

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    Nov 21, 2015
    Fort Worth, TX
    i did. she ordered a set of 20, on Amazon — she thinks. i found some online.just dont like their prices, & i already have several pkgs of the ⭕️ magnets, wanted to make my own.

    still looking.
     
  13. jnc

    jnc Welcome from New Hampshire

    Why not use 2 washers and a bolt?
     

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