UNC/ASME B18.2.2 Hex aku

Nkọwa Dị Mkpirikpi:

Standard DIN, ASTM/ANSI JIS EN ISO, AS, GB
Ọkwa ígwè: 4/6/10/12 SAE: Gr.2, 5, 8;
Mmecha Zinc (Edo odo, ọcha, acha anụnụ anụnụ, oji), Hop Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated