The Machine Key 6mm x 6mm x 66.7mm Form B C45K Oversize from G L Huyett is designed for secure component alignment in machinery. Made from C45K steel, this key offers excellent strength and durability, ensuring reliable performance in various applications. With dimensions of 6mm x 6mm and a length of 66.7mm, it is suitable for use in a variety of mechanical assemblies. This oversize key provides a snug fit, preventing slippage and ensuring efficient power transmission. It meets industry standards for quality and performance.