It is important not to confuse press-working standards with machining standards. Components made by removing metal (milling, turning) achieve entirely different precision tiers than components formed by force (stamping).
Guidelines for handling and implementation. Ms81-2021 Standard Pdf
The second standard is often misunderstood but is critically important for a different field. is a Malaysian Standard that defines a series of methods for the sampling and testing of spices and condiments. It is a national standard developed by the Department of Standards Malaysia (JSM). It is important not to confuse press-working standards
The official is the only authoritative source. It contains: Ms81-2021 Standard Pdf