Non pwodwi SAE J429 2/5/8 UNC Hex Bolt/Hex Cap Screw
Estanda: DIN, ASTM/ANSI JIS EN ISO, AS, GB
Steel Klas: 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,
Fini Plain, Zenk (jòn, blan, ble, nwa), Hop plonje galvanize (HDG), oksid nwa,
Geomet, Dacroment,, Nikèl plake, Zenk-Nikèl plake