Screw threads again

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Screw threads again

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  • #760397
    Michael Gilligan
    Participant
      @michaelgilligan61133

      I don’t want to intrude upon Bill Phinn’s cycle thread discussion … but I would like to share this with fellow microscopists and anyone else with a serious interest in thread-forms and/or  Imperial/Metric approximations.

      https://www.photomacrography.net/forum/viewtopic.php?t=12404

      It should be self-explanatory, so there may be no need for replies or discussion

      … that’s fine by me.

      MichaelG.

      .

      Edit: __ incidentally, it’s interesting to note that Japanese standards are available at relatively modest prices.

      https://www.standardssupply.com/product/JIS-B-7141-2012/

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      #760416
      peak4
      Participant
        @peak4

        Apparently there is free on-line access to British Standards On Line via some libraries, but the page on BSOL describing which ones has been taken down.
        You used to be able to access via a Northern Ireland library card, but I think that was withdrawn last November.
        Unfortunately my Derbyshire card doesn’t provide access as they haven’t bought an account for cost saving reasons.
        Lancashire still claims to, but I don’t have a card there; do we have any Lancastrian members?
        I think one or two libraries do have access, but only from their own buildings, and some universities allow access, but  via their own intranets.
        https://www.lancashire.gov.uk/libraries-and-archives/libraries/access-to-british-standards-online/

        Bill

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