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Perpendicularity GD&T Training Definitions

Geometric Dimensioning & Tolerancing GD&T Training
GD&T Training Definitions

Perpendicularity - Perpendicularity is the condition of a surface, axis, or line, which is 90 deg. from a datum plane or a datum axis. Symbol: . Often, industry individuals use the terminology "Squareness" as a substitute for perpendicularity.

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