This standard specifies the inspection rules, packaging and marking of manual socket wrench sockets and accessories. This standard applies to sockets and accessories of manual socket wrenches for installing and disassembling hexagonal bolts and nuts.
GB/T 3390.5-1989 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