3x25mm, TX10

    • neidu3@sh.itjust.worksOP
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      6 hours ago

      The last related patent expired in the 60’s. No royalties are required since then. Also, the patents were filed with USPTO, which nobody outside the US care about.

      • iii@mander.xyz
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        5 hours ago

        Exactly, phillips heads and others still being on patent, but not torx. Therefore torx being the budget option.