DIN, ANSI, GB, JIS, BSW, GOST
Stainless Stee,Carbon Steel, High Strength Steel,
Hexagon, Round, Square, Countersunk, Pan, Mushroom
DIN, ANSI, GB, JIS, Bsw, GOST
3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
Machinery, Chemical Industry, Environmental,Buildi
Hot Galvanizing, Black, Color-Zinc, Blue-White Zin
20-25kg/Carton+900kg/Pallet