The Zamac Nailin® is a nail drive anchor which has a body formed from zamac alloy. Drive nails are available in carbon or stainless steel. The anchor can be used in concrete, block, brick or stone. A corrosion-resistant zamac alloy is used to form the anchor body with either a mushroom or flathead. The anchor can be used for light duty, tamperproof applications. The anchor is not recommend for overhead, life safety or sustained tensile loading applications (see performance data section). DeWALT® Zamac Nailin® Nail Anchor, 1/4 in Diameter, 1 in Overall Length, Zamac Alloy Body Shell, 304 Stainless Steel Pin, Mushroom Head, 1/4 in Drill, 3/4 in Minimum Embedment Depth, 35/64 in W x 9/64 in H Head, Zinc Plated