This report is for informational purposes only. For manufacturing, always obtain and follow the official DIN 76-1 PDF from an authorized standards body.
It provides a groove (the undercut) at the end of the thread that is slightly deeper than the thread root, allowing the mating part (like a nut or a tapped hole) to screw all the way to the shoulder. BAER Tools Technical Specifications According to DIN 76-1 (2004) , the dimensions for Form A are calculated based on the thread pitch ( Application din 76-a pdf
The standard is divided into two main parts: This report is for informational purposes only