DIN safonol, ASTM / ANSI JIS EN ISO, AS, GB
Dur Gradd: DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9;SAE: Gr.2, 5, 8;
Gorffen Sinc (Melyn, Gwyn, Glas) ocsid du, Du Hop Dip Galfanedig (HDG), Ocsid Du, Geomet, Dacroment, anodization, Nickel plated, Sinc-Nickel plated
Proses Gynhyrchu M2-M30: Broga Oer, Gofannu Poeth M30-M100, Peiriannu a CNC ar gyfer Clymwr Wedi'i Addasu