GB/T 5356-2021
ActiveHexagon socket screw keys
内六角扳手
Application Summary AI generated
This standard specifies the dimensions, technical requirements, marking, and inspection methods for hexagon socket screw keys. It is applied in the manufacturing and assembly industries to ensure the interchangeability and quality of L-shaped and T-shaped keys used for tightening or loosening hexagon socket screws. The standard is critical for tool production, quality control, and procurement in mechanical assembly and maintenance 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.