This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of Z-shaped cross recessed screwdrivers. This standard applies to hand-used Z-type cross-recessed screwdrivers (hereinafter referred to as "drivers"). This standard does not apply to Z-type cross-recessed screwdrivers for live work.
QB/T 2564.10-2015 history
2015QB/T 2564.10-2015 Screwdrivers.Double offset screwdrivers for cross point screws