Entretoise m4x20mm f-f De Dietrich 7619888

The Spacer m4x20mm f-f is a small but crucial hardware piece used in boiler and burner assemblies to maintain proper spacing between components. With an M4 thread and 20mm length, this female-to-female spacer helps align parts securely, preventing unwanted movement. It is a common spare part for heating equipment repair and maintenance, ensuring accurate positioning of elements.