Dogspike Features: The dogspikes are made from mild steel, most of them are used as natural finish. Dogspike Features: sizesM16 and upfeatureslow carton,high tensile,stailessstandardDIN,ANSI,BSW,AS,JS,ISO,ETC.finishbright,zinc plated,hot-dip galvanized,mechanical plated ,nickel plated,blackgrades4.8,5.8,6.8,8.8,10.9,12.9widely using forindustries,constructions,electrical,powerspackingsmall boxes, ...