Tabellenbuch | Metall Online Kostenlos
Many German state institutes offer "Handreichungen" (handouts) for metalworking students. These PDFs often contain tables for:
Ob in der Ausbildung zum Industriemechaniker, im Maschinenbaustudium oder im Werkstattalltag – das Tabellenbuch Metall tabellenbuch metall online kostenlos
If you are looking for a specific table (e.g., "Drill sizes for metric threads"), do not search for the whole book. Use these search operators: "Drill sizes for metric threads")