Nakrętka kołnierzowa m12 (10 ps) De Dietrich S103283

The flanged nut m12 is a heavy-duty fastener commonly used in boiler and burner assemblies. With an M12 thread and integrated flange, it distributes load evenly and reduces the risk of loosening under vibration. Ideal for securing components such as burner flanges or mounting plates, this nut is a reliable choice for heating equipment repairs.