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Tag: perpendicularity

Diametric Tolerance Zones

by Crystal Bemis on June 21, 2023.

In this question line video, we explain when to use the diameter symbol in a feature control frame. The examples below illustrate the unique tolerance zones shapes and sizes for position, perpendicularity, straightness, runout, and cylindricity controls.

Perpendicularity

by GD&T Basics on December 14, 2014.

Perpendicularity is a fairly common symbol that requires the referenced surface or line to be perpendicular or 90° from a datum surface or line...