The Key M8 x 8 x 85.73 Form B is made from C45K steel, designed for effective power transmission in mechanical systems. This key measures 8 mm in width and 85.73 mm in length, making it suitable for various applications requiring precise alignment and secure engagement. The C45K material provides excellent strength and durability, ensuring long-lasting performance. Ideal for use in machinery, automotive, and industrial applications, this key meets industry standards for quality and reliability, making it a vital component in your assembly.