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Calculate Required Unthreaded Bolt Area to Resist Shear:
(Note: All input Metric units are converted to English units for the equations below and then the output English units are converted back to Metric)
AISC J3.6:
The following is for calculating required unthreaded area of a bolt or threaded part in a bearing connection.  This calculation can be used to calculate the required total unthreaded area, Ab, of a bolt or bolts in a bearing connection subjected to a shear force.
Bolt nominal shear stress (Fnv - ksi or MPa)
Shear force on the bolt (Ru - kips or kN)

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Required nominal shear strength, Rn =
Required unthreaded bolt area, Ab =

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