Home of The GD&T Hierarchy

GD&T is as Easy as 1, 2, & 3

Senior Level GD&T Coaches

Worldwide GD&T Training

In accordance with the ASME Y14.5 Standard

The GD&T Reference Center

Over 400 pages of GD&T Tips, Videos and Case Studies

GD&T Online Store

Textbooks, Workbooks, Wallcharts, Pocket Guides, 3D Models, etc.

Your Source for GD&T Training and Reference Materials

Tec-Ease is an education company that creates and offers high quality training, along with training / reference materials, to help engineering, quality, design and manufacturing teams better understand and utilize Geometric Dimensioning and Tolerancing (GD&T).
Classes include Print Reading, Fundamentals of GD&T, Applications of GD&T, Inspecting Geometric Tolerances and Tolerance Stack-up (TSU). All classes and materials are in accordance with the ASME Y14.5 Standard.

Tec-Ease is a Certified Women-Owned Small Business (WOSB)

The Premium GD&T Reference Center

Over 275 GD&T Tips - Over 250 GD&T Videos - ASME Y14.5 Symbol Definitions - Pocket Guides
Subscribe Today!

Register to Receive FREE GD&T Tips

Sign-up Today!
Download The GD&T Hierarchy Pyramid (Y14.5-2009 and Y14.5-2018) for Free!
Just complete the form below.
The GD&T Hierarchy by Don Day

Trust Tec-Ease for all your GD&T Training Needs!