UNC/ASME B18.2.2 Hex txiv ntseej

Lus piav qhia luv luv:

Txheem DIN, ASTM / ANSI JIS EN ISO, AS, GB
Hlau Qib: 4/6/10/12 SAE: Gr.2, 5, 8;
Zinc tiav (Daj, Dawb, Xiav, Dub), Hop Dip Galvanized (HDG), Dub Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated