geometrical dimensioning and tolerancing

engineering drawing

1. GEOMETRICAL DIMENSIONING & TOLERANCING

2. WHAT IS GD&T? GD&T stands for geometric dimensioning and tolerancing. It is a system of symbols, rules and definitions used to define the geometry of mechanical parts. It is used to define size,shape,form,orientation and location of features on a part. Dimension is a geometric characteristic the size of which is specified such as length,angle,location or center distance etc.