Speical flang bolt good quality and competitive price. Material: Carbon steel, Alloy steel, Stainless steel Size: M6--M64 Special flang boltMaterial: Carbon steel, Alloy steel, Stainless steel, Brass, Copper, AluminumSize: M6--M64Finish: zinc plate, black,chrome plate, Hot dip galvanized, plain, chrome plate,etc.Head type: Hex washer whit slot, phillips, Flat head, Countersunk head,round head, T- ...