The primary modern successor to DIN 7161 is DIN ISO 286-2 .
The tolerance bands overlap. Depending on the actual manufactured dimensions, the fit could be slightly loose or slightly tight. : H7/k6 or H7/n6 din 7161 pdf extra quality
This tiered approach ensures that the "quality" of the tolerance matches the functional need of the part, preventing over-engineering (which increases cost) or under-engineering (which causes failure). The primary modern successor to DIN 7161 is DIN ISO 286-2
: Precision positioning, pulleys, and gears pinned to shafts. 3. Interference Fits din 7161 pdf extra quality