Guides

• ISO fits explainedWhat H7, g6 and H7/g6 mean: ISO 286 tolerance classes, standard tolerance grades, fundamental deviations, clearance, transition and interference fits, with a worked example.
• First angle and third angle projectionFirst angle and third angle projection compared: where each view goes around the front view, the projection symbol, which regions use which method, and how MechPilot handles it.

The tables behind them, with their sources: Standards