The Machine Key, measuring 1/4 x 3/8 x 2-1/16, is a Form B carbon steel component from G L Huyett. This undersized key is designed for precise alignment and secure engagement in machinery. Its robust construction ensures durability and resistance to wear, making it suitable for high-performance applications. The dimensions are tailored for compatibility with standard keyways, facilitating easy installation in various mechanical assemblies. This machine key is essential for maintaining the integrity of rotating equipment and ensuring optimal performance.