Standard DIN
Grade 4.8/8.8/10.9/12.9
Finish Carbon Steel/Steel: Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black, Geomet, Dacromet , Anodization, Nickel plated, Zinc-Nickel plated, Teflon(PTFE), etc.
Material Carbon steel
Size M6-M100,1/4 -4 or as your requirement.