Wedge Anchors, Drop in Anchors, Nuts manufacturer / supplier in China, offering M8-M10 Plain Finish Combo Nut/Step Nut Fasteners as a Made-in-China Differential Nut for Connecting Different Diameters Threaded Bars for Fixing, M8-M10 Plain Finish Combo Nut /Step Nut Fasteners as a Made-in-China Differential Nut for Connecting Different Diameters Threaded Rods for Scaffolding, M8-M10 Combo Nut /Step Nut Fasteners as a Made-in-China Plain Finish Differential Nut for Connecting Different Diameters Threaded Rods for Pipe Fittings and so on.