hex nut 1.Material:stainless steel,carbon steel 2.Dia:M2-M20 3.free sample,more than ... 4.SGS,Rohs Hex Machine Screw Nuts — 18-8 Stainless Steel, CoarseMaterial:stainless steel,steel,copperDia:M2-M20Surface Finish:nickel plated,white zinc,black ... *19cm*15cmcontact nameAmy +86 18938162800 Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS4202,Steel:C45(K1045), C46(K1046),C203.Brass:C36000 ...