Industry standard thread shear allowable stress? 1

Are you headed toward establishing a design of a bolted joint using commercially available fasteners ?
Are you concerned about the fastener installation torque?
Do you know the design loads the joint must endure?

There are some pretty effective shortcuts to predict the length of thread engagement needed to develop the full strength of fasteners of different grades.
example page 59 or 51 here -

Allowable stress in what material???