HEX COUPLING NUTS DIN6334 1.Material:carbon,stainless steel 2.Size:6*18 8*24 10 *30 12* ... 36 3.Surface:Zinc,Galvanized 4.new HEX COUPLING NUTS ... bolts, wheel bolts, stud boltsNUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nutWASHERS: flat washers, spring ...