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 hex socket screwdrivers (hereinafter referred to as "drivers"). This standard does not apply to hexagonal socket screwdrivers for live work.
QB/T 2564.8-2015 history
2015QB/T 2564.8-2015 Screwdrivers.Spin type screwdriver bit holder