TableGeneral Tolerances on Perpendicularity. It mainly applies to features which are produced by removal of material General Tolerances ISO TableGeneral Tolerances on Straightness and Flatness. This part is intended to simplify drawing indications and specifies general tolerances in three tolerance classes. TableGeneral Tolerances on Perpendicularity. General Tolerances for Linear and Angular DimensionsISO Tolerance Chart & PDF CNCLATHING You can check the tolerance chart below: Learn More infor