: It might be used in quality control processes to denote products or materials that meet specific criteria.
The designation refers to a specific type of undercut (Freistich) used in mechanical engineering and technical drawing. din 509e06x02 exclusive
The notation follows the (or similar predecessor) system for electrodeposited coatings, not the current ISO 4046 series. It breaks down as: : It might be used in quality control
For this specific size, the standard typically specifies the following additional dimensions to ensure proper tool clearance: Value (mm) Depth Breadth (Width) Run-out Angle 15° (Standard for Type E) Application Guidelines Workpiece Diameter ( din 509e06x02 exclusive
: The German national standard that defines the forms and dimensions of undercuts for technical drawings.