This standard specifies the inspection rules, packaging and marking of manual socket wrenches. This standard applies to manual socket wrenches for installing and disassembling hexagonal bolts and nuts.
GB/T 3390.5-2004 history
2013GB/T 3390.5-2013 Hand operated socket wrenches.Inspection,packaging and marking
2004GB/T 3390.5-2004 Hand operated socket wrenches-Inspection,packaging and marking
1989GB/T 3390.5-1989 Inspection, packaging and marking for hand operated socket wrenches