● Nuts size: M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16. ● This product conforms to DIN 985 and is made of carbon steel, good performance and strength. ● Standard: DIN 985. ● EASY TO INSTALL - With the wide range of flange nuts, they are ideal for use, easy to lock, standard size, not easy to slip, more convenient and faster to use.
eBay