GB/T 1216-2018
ActiveExternal micrometer
外径千分尺
Application Summary AI generated
This standard specifies the terminology, requirements, testing methods, and marking for external micrometers with a measuring range typically up to 1000 mm. It is applied in mechanical manufacturing, quality inspection, and calibration laboratories for the precise measurement of external dimensions such as diameter, thickness, and length of workpieces. The standard ensures the accuracy and interchangeability of micrometers used in industrial production and metrological verification.
Related Standards
GB/T 14495-2009
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GB/T 6313-2004
Pointed-contact micrometer with conical tips
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.