is the technical standard titled "Plain Limit Gauges." It specifies the design, manufacture, and inspection requirements for gauges used to check the dimensions of holes and shafts. The primary function of these gauges is to ensure that manufactured parts fall within specified tolerances, typically ranging from IT6 to IT16.
Used to check the minimum material condition (e.g., minimum shaft diameter or maximum hole diameter). The gauge must not pass. Gauge Forms Mentioned jis b 7420 pdf
Do you need the exact for a specific hole/shaft size? is the technical standard titled "Plain Limit Gauges