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Metal weldable studs and metal fasteners, namely, steel fasteners, metal studs and bolts, weld studs, welded bolts, stud fasteners, shear connectors, headed anchors, welded headed anchors, welded deformed bar anchors, reinforcing bars and studs, concrete anchors, concrete anchor studs, deformed bar anchor studs, externally threaded fasteners, internally threaded fasteners, punching shear resistor (PSR) studs, inserts, ports, pipe hangers, cable hangers, bosses, steel bolts, tension bolts, nuts, sheet metal brackets, grounding studs, plastic cap ground studs, metal nut ground studs, fir-tree studs, coarse threaded studs, wide top wide flange studs, trim studs, collar studs, full base and reduced base studs, cold formed engineered components, cold formed net shapes, cold formed eccentric or asymmetric parts, anti-skid studs, wear protection studs, anti-corrosion studs, refractory anchors and insulation studs, capacitor discharge (CD) studs, rectangular studs, round corner square studs, eyebolt and J bolt studs; in International Class 6.