Here are some key points from the standard:
is the Japanese Industrial Standard for Plain Limit Gauges . This standard specifies the design, dimensions, and tolerances for gauges used to check the dimensional limits of cylindrical workpieces (shafts and holes). Key Technical Aspects jis b 7420 pdf
🎯 : Use this standard if you are manufacturing precision mechanical parts for the Japanese market that require high-volume inspection using limit gauging. If you'd like, I can: Here are some key points from the standard: