Anaran'ny vokatra SAE J429 2/5/8 UNC Hex Bolt/ Hex Cap Screw
Standard: DIN, ASTM/ANSI JIS EN ISO, AS, GB
Grade vy: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;SAE: Gr.2,5,8;
ASTM: 307A,A325,A490,
Famaranana Plain, Zinc (Mavo, White, Manga, Mainty), Hop Dip Galvanized (HDG), Black Oxide,
Geomet, Dacroment,, Nickel plated, Zinc-Nickel plated