The Hi-Pro Machine Key measures 3/16 inch by 1 inch and is made from high-strength carbon steel. This key is essential for ensuring proper alignment and torque transmission in mechanical assemblies. Its precise dimensions allow for a snug fit in keyways, enhancing the performance and reliability of rotating machinery. The carbon steel construction provides excellent durability and resistance to wear, making it suitable for heavy-duty applications. Ideal for use in motors, gearboxes, and other machinery requiring secure keying solutions.