The Woodruff Machine Key 3/16 x 2-1/8 is an essential component made from premium alloy steel, designed for robust performance in mechanical systems. With a thickness of 3/16 inch and a length of 2-1/8 inches, this key provides a secure fit in various applications, ensuring effective torque transmission. Its alloy steel composition enhances durability and resistance to deformation under load, making it suitable for high-performance machinery. This key is engineered to meet stringent industry standards, ensuring compatibility and reliability in your equipment. Ideal for use in automotive, industrial, and manufacturing settings.