GB/T 5279.2-1997
ActiveCountersunk flat head screws--Part 2:Penetration depth of cross recesses
沉头螺钉 第2部分:十字槽插入深度
Application Summary AI generated
This standard specifies the required penetration depth for cross recesses in countersunk flat head screws. It is applied in the manufacturing and quality inspection of these screws to ensure proper driver engagement and torque transmission during assembly. The standard is relevant for mechanical engineering and fastener production contexts where consistent screw head geometry is critical.
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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.