STT3200 Fan Screw Thread Size

Discussion in 'STT Series (obsolete)' started by Chris Stockdale, Apr 24, 2019.

  1. Chris Stockdale

    Chris Stockdale Cyanogen Customer

    Joined:
    Sep 6, 2015
    Messages:
    22
    My STT3200 fan grills have rusted significantly and I'm replacing the grill with a plastic version. Unfortunately the new grill is about 2mm thicker and as a result the screws holding the fan on the case only hold by about 1 turn. I'm wondering what the thread spec for these holes are. Non-metric small diameter stainless screws are almost impossible to find here in Australia!

    Regards,
    Chris
     
  2. Doug

    Doug Staff Member

    Joined:
    Sep 25, 2014
    Messages:
    5,953
    They are 4-40.
     
  3. Chris Stockdale

    Chris Stockdale Cyanogen Customer

    Joined:
    Sep 6, 2015
    Messages:
    22
    Thanks Doug
     

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