HP 840070-001 screw kit is a spare part for notebook repairs and maintenance. HP’s maintenance guide identifies this exact part number as a screw kit, and the distributor listing confirms the same item identity.
The listing specifies compatibility with selected EliteBook notebooks: 745 G3, 745 G4, 745 G5, 840 G3 and 850 G4. It also names the ZBook 15 G4 and 15u G4 mobile workstations. This is a replacement screw kit intended for those listed notebook families.