The M04036 Key is designed for King packaging machinery, providing a secure fit to lock rotating components like gears and pulleys onto shafts. This essential component prevents slippage, ensuring precise alignment and stable power transmission across tablet counting, liquid filling, cotton inserting, labelling, and capping machines. Built to withstand demanding production conditions, the M04036 Key enhances operational reliability, supports consistent performance, and contributes to the durability of King packaging systems.