Podwójna śruba z gniazdem De Dietrich 721394400

A double screw with seat is a fastening component used in boiler and burner assemblies to secure parts together. It features two threaded sections and a seating area, allowing for stable and adjustable connections. This hardware is commonly employed in gas valve mounts, burner heads, or other heating equipment where precise alignment and secure fastening are required. As a spare part, it is essential for repairs and maintenance, ensuring that components remain firmly in place for safe and efficient operation.