DIN maʻamau, ASTM/ANSI JIS EN ISO, AS, GBPapa kila: 4/6/10/12 SAE: Gr.2, 5, 8;Hoʻopau ʻana i ka Zinc (Melemele, Keʻokeʻo, Polū, ʻEleʻele), Hop Dip Galvanized (HDG), ʻEleʻele Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
Nati hexagonal
Mea hana: kila kalapona, kila kila