Bisanzwe DIN, ASTM / ANSI JIS EN ISO, AS, GBIngano y'icyuma: 4/6/10/12 SAE: Gr.2, 5, 8;Gusoza Zinc (Umuhondo, Umweru, Ubururu, Umukara), Hop Dip Galvanized (HDG), Oxide y'umukara, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
Hex nut
Ibikoresho: icyuma cya karuboni, icyuma kidafunze