In this video application we shown you how to determine the GD&T perpendicularity tolerance for a hole-bolt fit.
Perpendicularity is the condition of a surface, median plane, axis or line which is at right angles to a datum plane or axis.
GD&T Perpendicularity Tolerance Simulator
https://www.engineersedge.com/calculators/gdt_perpendicularity_tolerance_16622.htm