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15/16 bolting root are

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abbver98

abbver98

Mechanical
Joined
Jun 21, 2002
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195
Location
BE
Very urgent !
15/16 - 9 bolting root are (resitance area)
 
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The AISC gives a formula:

At = (D-0.7854/n)^2 where D is major diameter and n threads per inch...

I haven't been able to determine the number of threads per inch from the net...

Dik
 
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