The Machine Key 3/4 x 3/4 x 5-1/4 Form B is made from carbon steel, providing excellent strength and durability for various mechanical applications. With dimensions of 3/4 inch by 3/4 inch and a length of 5-1/4 inches, this key is designed to fit securely into a corresponding slot in a rotating shaft, ensuring precise alignment and connection. The carbon steel construction offers resistance to wear, making it suitable for high-load applications. This product meets industry standards for quality, ensuring reliable performance in demanding environments.