Rondelle de blocage 20 -->80 De Dietrich 7606551

The lock washer 20-->80 is a durable fastener designed for larger bolts in boiler and burner assemblies. It provides anti-loosening protection in high-vibration environments, securing critical connections in heating equipment. This washer is suitable for various gas burner parts and boiler maintenance applications. Using the correct lock washer ensures long-term stability and safety of your heating system components.