Hexagon drive ISO 1173 C6.3 (1/4″), ISO 2351-1 – C 6.3. Made in Germany. Wrench size: 0.8 x 5.5. Total length (for class): 25 mm. Drive: Hexagon, solid 6.3 (1/4 inches). Output: Slot profile. Net weight: 0.01 kg. 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.
