GB/T 4259-2004
ActiveCountersinks--Technical requirements
锥面锪钻 技术条件
Application Summary AI generated
GB/T 4259-2004 specifies technical requirements for countersinks with conical cutting surfaces, including material, hardness, geometric tolerances, and marking. It is applied in the manufacturing industry for quality control and procurement of these tools used to create conical recesses for flush-fitting screw heads in metal or plastic workpieces. The standard ensures interchangeability and performance consistency in machining operations across workshops and production lines.
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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.