GB/T 3227-2008
AbolishedAssembly tools for screws and nuts - Driving squares for power socket tools
螺栓螺母用装配工具 机动套筒工具的传动四方
Application Summary AI generated
This standard specifies the dimensions, tolerances, and technical requirements for driving squares used on power socket tools, ensuring interchangeability between sockets and drive tools like impact wrenches. It is applied in the manufacturing and quality control of assembly tools for screws and nuts, particularly in automotive repair, heavy machinery assembly, and industrial maintenance where high-torque power tools are used. The standard ensures compatibility and safe torque transmission across different brands and models of power socket tool systems.
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