“Herr Schmidt, I understand now. Keep the coarse edges at ISO 2768-m. But the sensor holes—make them tight.”
Schmidt didn’t flinch. He slid a worn, coffee-stained document across the table—. tolleranze iso 2768
“Clara,” he said calmly, “your drawing had no individual tolerance blocks. No surface finish notes. No ‘±’ anywhere. By international standard ISO 2768, part ‘m’ (medium) applies automatically for general dimensions. That means holes from 6 to 30 mm? ±0.2 mm. Angles above 120 mm? ±0.5°. Your 10 mm hole is allowed to be 10.2 mm max. Mine is 10.15—perfectly legal.” “Herr Schmidt, I understand now