This standard specifies the product classification and requirements for the spindles of slotted screwdrivers for hand and machine use. This standard applies to the spindles of slotted screwdrivers for hand and machine use (hereinafter referred to as "screwdrivers")e
QB/T 2564.2-2002 history
2012QB/T 2564.2-2012 Screwdrivers.Screwdriver blades for slotted head screws
2002QB/T 2564.2-2002 Screwdrivers-Screwdriver blades for slotted head screws