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    Y14 Geometric Dimensioning & Tolerancing

    ASME's comprehensive portfolio of GD&T codes, standards and course offerings.

    GD&T is an essential shared language for engineers working across disciplines. Take the guesswork out of the design and manufacturing process with these helpful courses and standards designed by engineers for engineers.

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    ASME Virtual Classrooms

    Experience a live course with an instructor and peers held in an online learning environment with digital enhancements and online materials.
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    ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T) Design and Applications Combo Course

    Gain a comprehensive understanding of Geometric Dimensioning and Tolerancing (GD&T) and apply it to your designs and stacks per ASME Y14.5.
    Geometric Dimensioning and Tolerancing (GD&T) Fundamentals

    Read and create engineering drawings and interpret design intent per ASME Y14.5 - Geometric Dimensioning and Tolerancing (GD&T).
    Geometric Tolerancing Applications and Tolerance Stacks

    Apply Geometric Dimensioning and Tolerancing (GD&T) to your designs and perform tolerance stacks through authentic case studies.

    Popular On Demand GD&T Courses

    Learn independently or choose guided online learning augmented with instructor-supported activities.

    Buy 5 seats or more for 25% off the same On Demand course or Learning Path

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    ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T) Fundamentals Learning Path

    This Learning Path consists of 3 On Demand courses where students learn read and create engineering drawings & interpret design intent per ASME Y14.5
    Introduction to Geometric Dimensioning & Tolerancing (GD&T) - Y14.5

    Learn introductory geometric dimensioning controls for mechanical engineering drawings per ASME Y14.5 Dimensioning and Tolerancing standard.
    Advanced Geometric Dimensioning and Tolerancing (GD&T) - Y14.5

    Gain advanced knowledge of geometric dimensioning controls for mechanical engineering drawings per the ASME Y14.5 standard.

    Standards

    Browse the latest editions of Y14 standards.

    ASME Y14.5 2018 Dimensioning and Tolerancing Standard

    Establishes symbols, rules, definitions, requirements, defaults, and recommended practices for stating and interpreting geometric dimensioning & tolerancing.
    ASME Y14.5 (SPANISH) 2009 Dimensiones y Tolerancias

    Esta Norma establece prácticas uniformes para definir e interpretar el dimensionado, las tolerancias y los requisitos, para su uso en dibujos de ingeniería y documentos relacionados.
    ASME Y14.5.1 2019 Mathematical Definition of Dimensioning and Tolerancing Principles Standard

    Presents a mathematical definition of geometrical dimensioning and tolerancing consistent with the principles and practices of ASME Y14.5-2009, enabling determination of actual values.
    Y14.5.2–2017 Certification of Geometric Dimensioning and Tolerancing Professionals

    Establishes certification requirements for a Geometric Dimensioning and Tolerancing Professionals.

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