Shop the DEWALT Cordless Concrete Nailer - Tools, 20V MAX 1" Magazine Cordless Concrete Nailer (Tool Only). The 20V MAX* Cordless Concrete Nailers are a gas-free fastening system for concrete, concrete masonry block, and steel applications. Running on a DEWALT 20V MAX* battery alone, they eliminate the need for fuel cells and powder loads, with no special licensing requirements — suited for commercial framing, track installation, light gauge mechanical/electrical installation, insulation, and lathing.