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    • Screws with captive spring washers

    Discussion in 'Joining & fabrication' started by GarethW, Apr 21, 2010.

    1. GarethW

      GarethW Chief Clicker Staff Member

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      Does anyone know a supplier of screws with captive spring washers? I'm looking for M2, M3 and M4 machine screws of various lengths.

      I've tried TR Fastenings (you'd think if anyone would sell them it would be them... :? ) No luck there though.

      If anyone has used these in the past, do you have any advice? Any idea what the cost is like? I think I heard once these kind of fixings were expensive. I always thought that the cost saving from not having to fiddle around with individual washers on the production line would be huge, but maybe I'm wrong...

      Any suggestions gratefully appreciated!
       
      GarethW, Apr 21, 2010
      GarethW, Apr 21, 2010
      #1
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    3. mvalenti

      mvalenti Well-Known Member

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      Try ASM www.accuratescrew.com

      A quick look I found metric captives screws in various head forms with flat and lock washers. Were you looking for something with a belleville disc spring?

      -Mark
       
      mvalenti, Apr 26, 2010
      mvalenti, Apr 26, 2010
      #2
    4. GarethW

      GarethW Chief Clicker Staff Member

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      Mark - Thanks for the link. Looking for one with a captive spring washer - one of these babies:
      [​IMG]
       
      GarethW, Apr 26, 2010
      GarethW, Apr 26, 2010
      #3
    5. mvalenti

      mvalenti Well-Known Member

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      Helical spring lock washer or am I missing something completely obvious? BTW, if its a helical spring lock washer, and thats all you need captive I'm sure ASM can do it or may have it.

      -Mark
       
      mvalenti, Apr 26, 2010
      mvalenti, Apr 26, 2010
      #4

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