The GD&T Blog

Let’s go back to the question box –
 
“Why is profile allowed to be designated as one-sided? Can other GD&T symbols also be one-sided?” First, let’s address a couple of points: there are two profile symbols: profile of a line and profile of a surface. Yes, each of them can have the tolerance amount that is […]

If you’ve spent any time around geometric tolerancing, you have probably heard it touted as the best thing to come along in mechanical design since the drafting board. And most of it’s true — GD&T  helps us communicate a product’s design in a big way. So it shouldn’t be surprising that most industries have adopted […]