Śruba samozabezpieczająca m4x10 (20 ps) De Dietrich S100052

The self-locking screw m4x10 features a built-in locking mechanism that prevents loosening due to vibration or thermal expansion. Ideal for securing panels, covers, or internal parts in burners and boilers, this screw enhances safety and reduces maintenance frequency. As a specialized boiler spare part, it is particularly useful in applications where standard screws might fail. Using self-locking screws in heating equipment helps maintain component integrity over time.