The M04100 Key is a crucial component in King packaging machinery, designed to securely lock rotating parts, such as gears and pulleys, onto shafts for stable operation. This durable key ensures precise alignment and prevents slippage, enabling efficient power transmission essential for smooth functioning in tablet counting, liquid filling, cotton inserting, labelling, and capping systems. Engineered for high-demand environments, the M04100 Key supports reliable performance, enhances equipment stability, and contributes to the longevity of King packaging machines.