The M04116 Key is an essential locking component for King packaging machinery, used to secure rotating parts, like gears and pulleys, onto shafts. This durable key ensures precise alignment and prevents slippage, supporting stable power transmission across various systems, including tablet counting, liquid filling, cotton inserting, labelling, and capping machines. Designed for reliability in high-demand environments, the M04116 Key enhances machine stability, supports consistent performance, and contributes to the long-term durability of King packaging equipment.