GB/T 8177-2004
AbolishedInternal micrometers with two-point contact
两点内径千分尺
Application Summary AI generated
This standard specifies the technical requirements, inspection methods, and marking for internal micrometers with two-point contact, which are used for precise measurement of internal diameters. It applies to the manufacturing and quality verification of these micrometers in mechanical engineering, particularly for measuring bore diameters in components like engine cylinders, bearing housings, and hydraulic systems. The standard ensures measurement accuracy and interchangeability in industrial metrology and quality control contexts.
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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.