Tabellenbuch Metall 48. Auflage — ((link))
The is a solid, incremental update. If you already own the 46th or 47th, you don’t need to upgrade unless you work with newly standardized materials or CNC postprocessors. If you’re buying your first copy, get the 48th – it will last you through your entire apprenticeship and beyond.
If you work in metal trades in Germany, Austria, or Switzerland, this book is as essential as a caliper. Outdated editions are still useful, but the 48th is the most correct and current. Would you like a comparison of the 47th vs. 48th edition in table form, or a list of the most important changed DIN standards in the new edition? tabellenbuch metall 48. auflage