Hélice «4.2x9.5» de De Dietrich 7698405

The screw fa 4.2x9.5 z/p is a versatile fastener for boiler and burner assembly or repair. With a 4.2mm diameter and 9.5mm length, this zinc-plated screw resists corrosion and provides secure fastening. Ideal for attaching panels, brackets, or covers, it ensures reliable performance in heating equipment.