Screwdriver bit insert

· Hexagon drive ISO 1173 C8 (5/16″), ISO 2351-3 C8 · Made in Germany · Drive: 5/16 inch (8 mm) hexagon, solid · Output: Inside hexagon profile · Wrench size: 6 mm · Dimensions / length: 30 mm · Net weight: 0.01 kg · For manual and impact operation · Special purpose steel for excessive use · High-precision, close-tolerance fabrication of tips and edges · For electric and pneumatic screwdrivers as well as for manual operation · Tough and hard for threaded screws (hard screw-joint) · Permanent hardness of 59-61 HR C for high demands in trade and industry · High torque values, well above DIN standard, over a long service life.