Dimensioning: And Tolerancing Asme Y14.5m-1994

Controls the shape of a feature regardless of its location or orientation. Parallelism, Perpendicularity, Angularity Controls the rotation of a feature relative to a datum. Location Position, Concentricity, Symmetry

Imaginary, mathematically perfect points, axes, or planes used as reference points for measurements. Dimensioning and Tolerancing ASME Y14.5M-1994

Dimensions and tolerances typically apply when the part is in its "free state" and not being forced or bolted down. Key Components of GD&T in Y14.5M-1994 Controls the shape of a feature regardless of

is a foundational standard for Geometric Dimensioning and Tolerancing (GD&T) used in mechanical engineering to ensure parts are designed and manufactured with precise functional requirements. It establishes a universal symbolic language to describe a part's geometry and allowable variations, reducing ambiguity in technical drawings. Core Principles and Fundamental Rules mathematically perfect points