Iso 2768-mk-e !link! -

Without this standard, a factory in Germany might make a part that technically matches the numbers but is slightly "banana-shaped," making it impossible to bolt onto a mating part made in Japan. ISO 2768 Tolerance Standards for CNC Machining - JLCCNC

If a part passes within ISO 2768-MK-E limits, it is compliant on the drawing. iso 2768-mk-e

: The "Medium" precision class for linear and angular dimensions. Without this standard, a factory in Germany might