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  1. guppers

    Machinery's Handbook 25

    Thank you. That looks like it's the right table. Interesting that in edition 25 a free fit is .2660 for a 1/4 fastener, where in edition 28, that's considered a close fit. Here the close fit is .2570
  2. guppers

    Machinery's Handbook 25

    I just bought Machinery's handbook 25 since it was decently priced, but in searching through it, I'm not seeing simple stuff like clearances holes for inch fasteners. Everything seems metric. I have a copy of 28 available at work and it does have all this. Does anyone else know if this just...
  3. guppers

    Bolt tension load approximation

    Thanks, Desertfox! This may be a silly question, but which 12" are you using in that file? I wasn't quite sure when I looked at it. Also, did you find this in Bruhn, Peery, or learned it through the course of your career? That is a really helpful trick that should be taught, IMHO.
  4. guppers

    Bolt tension load approximation

    Found this gem for tension loads in bolts on a bracket. But what in the world is that calculation/theorem/approximation called? I'd like to read more on it. thread404-359827
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