Tag: bolt circle

True Position on Bolt Circle Diameters

by Crystal Bemis on June 21, 2024.

In this Question Line video, Jason walks through a drawing that includes a position control on a pattern of holes (bolt circle), explaining what the feature control frame is and is not controlling.

Common GD&T Student Questions: A Pattern of Holes as a Datum Feature

by Crystal Bemis on March 28, 2023.

We often see a pattern of holes indicated as a datum feature in a GD&T drawing. How do we simulate this to create our datum reference frame?