GB/T 3229-2008
AbolishedAssembly tools for screws and nuts - Drive ends for hand and machine operated screwdriver bits and connecting parts - Dimensions, torque testing
螺栓螺母用装配工具 手动和机动螺刀头的传动端和连接部件的尺寸及扭矩试验
Application Summary AI generated
This standard specifies the dimensions and torque testing methods for drive ends and connecting parts of screwdriver bits used in both manual and machine-operated tools. It is applied in the manufacturing and quality control of assembly tools for screws and nuts, ensuring interchangeability and performance consistency across hand tools and power tool systems. The standard is relevant for tool producers, industrial assembly lines, and testing laboratories to verify torque transmission capabilities and dimensional compliance.
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