GD&T for Mechanical Engineers | Complete Guide & Training Geometric Dimensioning & Tolerancing (GD&T) for Mechanical Engineers – Complete Guide Keywords: GD&T for Mechanical Engineers, Geometric Dimensioning and Tolerancing, GD&T symbols, GD&T tolerance GD&T is the engineering language for accurately defining geometry, tolerances, and functional relationships of mechanical parts. It is essential for reducing manufacturing errors, improving part fit, and ensuring quality in mechanical assemblies. 1. What is GD&T? GD&T (Geometric Dimensioning and Tolerancing) is a symbolic system on engineering drawings that communicates design intent and tolerances for part features, ensuring they function correctly in assemblies. 2. Key Benefits of GD&T Ensures functional accuracy of mechanical parts. Reduces manufa...