Nail dowels are the economical alternative for quick and easy installation of sheet metal, cable and pipe clamps, perforated strips, substructures as well as wall connection and plaster profiles that do not require approved fasteners Fischer offers a wide range of different diameters, lengths, materials and head shapes for all applications Nail dowels consist of a high-quality nylon dowel, a galvanized nail screw or a plastic nail These are already pre-assembled for quick assembly The nail anchor is inserted through the attachment in the time-saving push-through installation When the nail screw is hammered in, the anchor sleeve expands and anchors securely in the building material