Article description Hexagon drive ISO 1173 C8 (5/16?), ISO 2351-2 C8Made in GermanyDrive: 5/16 inch (8 mm) solid hexagonOutput: Phillips head PHWidth across flats: · PH3Dimensions / length: 32 mmNet weight (kg): 0.01 kgFor manual and machine operationSpecial steel for the highest demandsThe greatest dimensional accuracy for grinding and cuttingFor electric or pneumatic screwdrivers as well as for manual useTough-hard for bolts (hard screw case)Permanent hardness of 59-61 HR C for stringent requirements in industry and tradeHigh torque values, far exceeding the DIN standard, with long service life Show more