Wera 840/4 Hex Power Bit 1/8"x89mm 059663 not_toolgroup powered by a 12V or

powered by a 12V or 24V lead acid battery (sold separately)

Mounting Type:

one-piece steel construction for increased strength and durability

Long term (days/weeks) 300 °F (149 °C)

A most valuable ESD Tool for Process Analysis Measurements of:

Wera 840/4 Hex Power Bit 1/8"x89mm 059663 not_toolgroup powered by a 12V orOverview Tough Wera bits for hexagonal socket screws, for universal use. Hex Plus offers larger contact surfaces in the screw head. The notch effect is reduced to a minimum and the destruction of the screw is nearly eliminated. 1 4" hexagonal, suitable for holders as per DIN ISO 1173 F 6. 3. Hex Plus Hexagon socket screws are a problem, because the contact surfaces that transfer the force of the tool to the screw are very narrow. The consequence: the