GB/T 4392-2019
ActiveSlugging open-end wrenches and slugging box-end wrenches
敲击呆扳手和敲击梅花扳手
Application Summary AI generated
GB/T 4392-2019 specifies the technical requirements, dimensions, and testing methods for slugging open-end and box-end wrenches used in heavy industrial assembly and maintenance. These wrenches are designed to withstand high-torque impacts from a hammer, making them essential for tightening or loosening large fasteners in sectors like petrochemical, shipbuilding, and steel manufacturing. The standard ensures consistent product quality and safety for tools applied in high-stress mechanical environments where manual or power wrenches are insufficient.
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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.