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Do not assume backwards compatibility. Always verify the pulling head thread form. Some manufacturers have updated internal standards to DIN 20550, meaning a DIN 5463 tool may physically not fit. din 5463 pdf
The DIN 5463 standard was first published in 1966 by the German Institute for Standardization (DIN). Since then, it has undergone several revisions, with the most recent update being published in 2018. The standard was developed to provide a unified set of specifications for involute splines, which were becoming increasingly popular in various industries, including automotive, aerospace, and machinery. The DIN 5463 standard was first published in
| Feature | DIN 5463 (Old/Widrawn) | DIN 20550 (Current) | | :--- | :--- | :--- | | | Withdrawn (1999) | Active | | Scope | Hexagon broaches & pulling heads | Broaching tools for hexagon and square profiles | | Hex Sizes | Limited to common metric sizes | Expanded range, plus new tolerance classes | | Pull Head Design | Specific thread forms (legacy) | Modernized API-style pull heads | | Tolerances | Based on DIN 7160 (old) | Based on ISO 2768 (new) | | Feature | DIN 5463 (Old/Widrawn) | DIN
is a German industry standard (Deutsches Institut für Normung) titled: "Broaching tools – Hexagon broaches and pulling heads for hexagon broaching – Dimensions."