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metric verses standard machine screws

Discussion in 'Question of the Day' started by ship, Nov 16, 2007.

  1. ship

    ship Senior Team Emeritus Premium Member

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    First observation in a black machine screw that could be either metric or standard (and not country of origion of the fixture,) what is the most observible difference between a black domestic or metric screw in often making it easy to tell the difference? Is this a common trait no matter if black or zinc/natural?
     
  2. gaffer240

    gaffer240 Member

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    Any chance you are talking about the v shaped thread witha 60 degree angle.
     
  3. ship

    ship Senior Team Emeritus Premium Member

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    nope, easy to detect appearance.
     
  4. jwl868

    jwl868 Active Member

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    Like a compass needle, the metric screws will spontaneously point away from gafftaper.....
     
  5. gafftapegreenia

    gafftapegreenia CBMod CB Mods

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    Shot in the dark: Spacing of the threads?
     
  6. ship

    ship Senior Team Emeritus Premium Member

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    nope, appearance not thread or size or shape.
     

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