GB/T 3227-2018
ActiveAssembly 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 power drives. It is applied in the manufacturing and quality control of assembly tools for screws and nuts, particularly in automotive, aerospace, and general machinery assembly where pneumatic or electric impact wrenches are used.
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