GD&T

GD&T 

1. Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances. It uses a symbolic language on engineering drawings and computer-generated three-dimensional solid models that explicitly describes nominal geometry and its allowable variation.

   These three pdf's below will give you more idea about the gd&t concepts and usage...

1. 
   
2. 1) GD&T PDF DIRECT DOWNLOAD.....CLICK ON THESE...

      2) GD&T TUTORIAL PDF DIRECT DOWNLOAD...........CLICK ON THESE.......



     3) GD&T TUTORIAL PDF ...DIRECT DOWNLOAD.......CLICK ON THESE.....

1.