The M04090 Motor Drive Shaft Key, sized at 5mm x 5mm x 20mm, is designed to securely lock motor drive shafts in King packaging machinery. This durable key prevents slippage, ensuring precise alignment and stable power transmission between motor and connected components, such as gears and pulleys. Ideal for high-demand production environments, the M04090 Key supports reliable operation, enhances machine performance, and contributes to the longevity of King packaging systems.