This Machine Key, measuring 1/2 x 1/2 x 3-7/8 inches, is crafted from carbon steel and designed in Form B for reliable performance in mechanical applications. The undersized design ensures a precise fit in keyways, enhancing the efficiency of power transmission in machinery. This key is ideal for use in various industrial settings, including automotive and manufacturing, where secure connections are essential. Its durable construction meets industry standards, ensuring longevity and reliability. Incorporate this machine key into your assembly processes for improved operational efficiency.