AGMA gear classification standards, particularly regarding classes and grades, are a key topic of discussion, with many still adhering to the AGMA 2000 standard despite the 2015 revisions. Class 16 is noted as having the tightest tolerance among AGMA gear classes, indicating its precision in manufacturing. Participants suggest reaching out to AGMA directly for clarification and detailed information. The conversation highlights the importance of understanding these standards for proper gear selection and application. Engaging with AGMA staff can provide additional insights into the latest standards and tolerances.