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Sqaure threaded screww

  1. Jul 20, 2011 #1
    relationship between major or norminal diameter, core or inner diameter , the pitch and the mean diameter of a threaded screw
  2. jcsd
  3. Jul 20, 2011 #2
    pls it is urgent . thank you
  4. Jul 20, 2011 #3


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    Staff: Mentor

    We don't do your schoolwork for you here on the PF. What research have you done on this do far? What websites have you read? What is the application of this question?
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