Tornillo cbl z st 3,9 - 6,5 f zn De Dietrich 95770472

This screw CBL Z ST 3,9-6,5 F ZN is a compact self-tapping fastener perfect for thin metal sections in boiler and burner systems. With a 3.9 mm diameter and 6.5 mm length, it is designed for shallow applications where space is limited. The cross-recessed head enables easy driving, and the zinc finish helps resist moisture. Ideal for securing control box covers or small flanges, this screw supports efficient maintenance and repair of heating equipment.