weld nut: 1)Descripition:nut 2)Material:steel,stainless steel, 3)Surface:zinc(white,blue,yellow,black) 4)Size:M2 to M24 weld nut:Item name ... to 1/4" size: M6-M24 Material: stainless steel,iron,copper,carbon steel Finish: black nickel,white zinc,bule zinc,color zinc ...