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
Hot Galvanizing, Black, Color-Zinc, Blue-White Zi
Blue Zinc Plated Allen Screws Thread Locking Socke
20-25kg/Carton+900kg/Pallet