M6x20.5 S/A De Dietrich 7754617

The screw M6x20.5 S/A is a metric fastener with an M6 thread diameter and a length of 20.5 mm. The S/A designation likely indicates a specific head type or finish, such as self-tapping or a particular coating. This screw is commonly used in boiler and burner assemblies for securing components like panels, brackets, or internal parts. Its precise dimensions ensure a proper fit in pre-drilled holes, and its robust construction provides reliable holding power. Ideal for maintenance and repair tasks, this screw helps maintain the structural integrity of heating equipment.