GB/T 4388-2008
ActiveTypes of open-end wrenches, box wrenches and combination wrenches
呆扳手、梅花扳手、两用扳手的型式
Application Summary AI generated
This standard specifies the dimensional types, structural forms, and basic technical requirements for open-end wrenches, box wrenches, and combination wrenches. It is applied in the manufacturing and quality inspection of hand tools used for tightening or loosening bolts and nuts in mechanical assembly, automotive repair, and general industrial maintenance. The standard ensures interchangeability and compatibility between wrenches and fasteners across different production batches and manufacturers.
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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.