Bolted Flange CAD Model Posted on September 2, 2020 by graspengineering This is 3D CAD Model of bolted flange. It includes step file of bolted flange & images (with different isometric views). This CAD model is used for bolted flange gasket flange analysis, refer analysis video below: Post navigation « Centrifugal Pump Base Frame CAD ModelBasics of Geometric Dimensioning and Tolerancing »