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Fastener / Thread Tensile Area of External Thread Formula and Calculations

Fastener and Thread Design Menu | ISO Hardware Engineering Data 
 ANSI Hardware Engineering Data |
Mechanics / Strength of Materials Menu

Screw thread Strength Calculations 

Tensile Stress Area of an external thread ( fastener, screw ) 

Where:

A= Tensile Stress Area
D  = Major Diameter.
p  = 1 / Number of threads per inch (n)

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