DIN safonol, ASTM / ANSI JIS EN ISO, AS, GBDur Gradd: 4/6/10/12 SAE: Gr.2, 5, 8;Gorffen Sinc (Melyn, Gwyn, Glas, Du), Hop Dip Galfanedig (HDG), Ocsid Du, Geomet, Dacroment, anodization, Nickel plated, Sinc-Nicel plated
Cnau hecs
Deunydd: dur carbon, dur di-staen