20 GD&T: Application and Interpretation Copyright Goodheart-Willcox Co., Inc. Profile Runout Orientation Form Position Modifier symbols Additional symbols Total runout Circular runout Angularity Parallelism Perpendicularity Surface profile Line profile Cylindricity Flatness Circularity Straightness Between Statistical tolerance Continuous feature From-to Dynamic profile All-around 2X 1.5X X 1.5X 60° 1.5X 60° X 1.5X 2X 1.5X 30° 1.5X 60° .6X X 2X X X 1.5X .8X .6X 1.5X 1.5X 1.1X 1.5X 2.5X 30° 1.5X 2.5X 30° X .8X .8X X .6X .8X 3X 2X Translation 1.5X 60° Modifier 1.5X .8X All-over X 1.5X .6X Tolerancing Symbols Goodheart-Willcox Publisher