This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of hexagon socket screwdrivers. This standard applies to hand-operated hexagon socket head screwdrivers (hereinafter referred to as "drivers"). This standard does not apply to hexagon socket screwdrivers for live work.
QB/T 2564.7-2015 history
2015QB/T 2564.7-2015 Screwdrivers.Screwdriver for hexagon socket screws