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Wrench and nut clearance?

  1. Nov 3, 2015 #1
    I am trying to obtain minimum recommended wrench and nut clearances from TEMA Table D5, but I don't really know what quantity from this table I should be using.

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  2. jcsd
  3. Nov 3, 2015 #2


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    That table is directed more at minimum dimensions for bolts spacing designs with a standard box end wrench rather than for wrench clearance determination. A good general reference for wrench clearances for all styles of standard wrenches is the "Machinery Handbook" published by the Industrial Press, if you can locate one. This book is a basic reference requirement in the US for any Mechanical Engineer.
  4. Nov 3, 2015 #3
    thanks, I found the handbook. I just want to make sure if C is the wrench clearance.

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