ISO, GS, RoHS, CE
Carbon Steel, High Strength Steel, Stainless 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 Zi
Hand Industrial Stainless Steel 304 316 Flat Csk H
20-25kg/Carton+900kg/Pallet