Pdf | Din 6330

Avoid random PDF-sharing sites. Using an outdated standard (e.g., DIN 6330:1987) can lead to product failures, assembly issues, or failed audits.

DIN 6330 specifies the technical requirements for — commonly known as "hexagon flange nuts" or "self-locking nuts with collar." These are distinct from standard hex nuts (DIN 934) because they integrate a wide, serrated or non-serrated flange that distributes pressure over a larger surface area, eliminating the need for a separate washer. din 6330 pdf

The standard explicitly states that it applies to hexagon flange nuts with metric ISO threads (M5 to M20, and sometimes up to M24). It notes that these nuts are intended for use in bolted connections where the bearing surface must be perpendicular to the screw axis. Avoid random PDF-sharing sites