The M04018 Key is an essential component for King packaging machinery, designed to securely lock rotating parts, such as gears and pulleys, onto shafts to prevent slippage. This durable key ensures precise alignment and stable power transmission, which is crucial for the smooth operation of tablet counting, liquid filling, cotton inserting, labelling, and capping machines. Built to withstand demanding production environments, the M04018 Key enhances machine reliability, supports consistent performance, and contributes to the long-term durability of King packaging systems.