: New and updated blueprints must adopt the modernized tolerance classes: f class (fine/precision), m class (medium), and c class (coarse).
To ensure your operations are compliant and your products meet the highest quality standards, the proper course of action is to navigate directly to the official JSM MySOL portal to purchase and download the genuine PDF. Relying on official sources not only guarantees you have the correct, up-to-date information but also supports the critical work of the national standards body in maintaining a robust and trustworthy system for one of Malaysia's most important industries. Ms81-2021 Standard Pdf