What is this type of screw head

Discussion in 'Non-Automotive Stuff' started by plumcolr, Nov 3, 2018.

  1. plumcolr

    plumcolr In Maximum Overdrive SILVER MEMBER

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    called?

    upload_2018-11-3_16-25-36.jpeg
     
    plumcolr, Nov 3, 2018
    #1
  2. DeepBarney

    DeepBarney In Second Gear

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    A Pain In The Ass, aka PITA.






    I've never actually seen one like that. Interesting. Will regular square bit fit?
     
    DeepBarney, Nov 3, 2018
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  3. Huevos

    Huevos In Maximum Overdrive

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    Lox screw
     
    Huevos, Nov 3, 2018
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  4. plumcolr

    plumcolr In Maximum Overdrive SILVER MEMBER

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    I knew I could depend on you guys.

    It looks like it could stand a lot more torque backing out than driving.
     
    plumcolr, Nov 3, 2018
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  5. TestDummy

    TestDummy In Maximum Overdrive SILVER MEMBER

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    Unless it's reverse thread.
     
    TestDummy, Nov 3, 2018
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  6. ribald1

    ribald1 Banned PLATINUM MEMBER

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    A Sawzall will turn it into a regular screw head.
     
    ribald1, Nov 3, 2018
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  7. plumcolr

    plumcolr In Maximum Overdrive SILVER MEMBER

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    A good sawzall will modify most anything
     
    plumcolr, Nov 3, 2018
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  8. MaxInValrico

    MaxInValrico In Maximum Overdrive GOLD MEMBER

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    MaxInValrico, Nov 4, 2018
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  9. DeepBarney

    DeepBarney In Second Gear

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    Even the bad ones too.
     
    DeepBarney, Nov 5, 2018
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  10. uk ranchero

    uk ranchero In Third Gear

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    never seen them over here. what are they used on?
     
    uk ranchero, Dec 9, 2018
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  11. 72GTVA

    72GTVA Administrator Staff Member

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    Security screw - used to discourage item fastener is holding from removal with common tools. Works for a short period of time, then the bits are sold in hardware stores...
     
    72GTVA, Dec 9, 2018
    #11
  12. 1965 Ranchero 66G

    1965 Ranchero 66G In Maximum Overdrive Unubtanium Member

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    Doesn't look very secure, it looks like a multiple of bits could crack that one, should be called unihead.
     
    1965 Ranchero 66G, Dec 9, 2018
    #12
  13. plumcolr

    plumcolr In Maximum Overdrive SILVER MEMBER

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    From what I've seen,they are used for wood decking, and I'm guessing other things. Found them holding wood floor to the steel carriage of my enclosed trailer. Am guessing they were used there for speed of assembly.
     
    plumcolr, Dec 10, 2018
    #13

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