This standard specifies the product classification, requirements, test methods, inspection rules and packaging, marking, transportation and storage of explosion-proof torx wrenches. This standard applies to explosion-proof torx wrenches (hereinafter referred to as "torx wrenches") used in explosive and flammable situations.
QB/T 2613.5-2003 history
2003QB/T 2613.5-2003 Tools for explosive atmospheres - Box wrenches for explosive atmospheres