This standard specifies the dimensions, markings and signs of the working end of the impact motorized square transmission sleeve with hexagon or double hexagon. See ISO 2725-1 for dimensions of manual sockets. Note 1 Impact motorized square transmission sleeves are listed in ISO 1703, item 301. 2 The graphics in this standard are only for example and do not affect the design of the manufacturer. This standard applies to impact-type motorized square drive sleeves (hereinafter referred to as sleeves).
GB/T 3228-2000 history
2022GB/T 3228-2022 Dimensions of impact motorized square drive sockets for assembly tools for bolts and nuts
2009GB/T 3228-2009 Assembly tools for screws and nuts-machine-operated square drive sockets("impact").Dimensions
2000GB/T 3228-2000 Assembly tools for screws and nuts-Machine-operated square drive sockets ("impact")-Dimensions