Dadi esagonali metrici coase filettati M2 M2,5 M3M4 acciaio ottone placcato adatti a viti
※ Head shape: hexagon. The nut is the counterpart to the screw or threaded bolt, together they create a screw connection. ※ For example: M3 is suitable for use with M3 screws. ※ Material: brass coated.