: Recommended cycles based on usage frequency.
“Extra Quality” in the context of DIN 7161 implies purchaser-defined, tighter geometric and surface requirements beyond standard grades, demanding controlled manufacturing, metrology, and documentation. For reliable procurement and manufacture, specify numeric limits, measurement methods, and acceptance criteria rather than relying on the qualitative label. din 7161 pdf extra quality
: It provides specific ISO deviation and tolerance tables for holes, ensuring parts fit correctly during manufacturing. Current Status : This standard is largely superseded by the international equivalent (specifically ISO 286-2). : Recommended cycles based on usage frequency