The Machine Key .308 x 3/8 x 6.69 Form B is made from stainless steel 300, offering excellent corrosion resistance and durability. This undersized key measures .308 inches in width, 3/8 inches in height, and 6.69 inches in length, making it suitable for various mechanical applications. The Form B design ensures a secure fit in keyways, providing reliable torque transfer between components. Ideal for use in environments where moisture and corrosion are concerns, this stainless steel key meets industry standards for strength and performance, ensuring compatibility with a wide range of machinery.