Duco Fastener Supply specializes in top quality building products and fasteners with an emphasis on American Made and buy American plan products. Duco Fastener Supply provides these quality products in any quantity.  Our product mix is comprised of tested materials that have proven themselves overtime to stand up to harsh climates and return excellent value for your money. We are dedicated to provide fasteners and accessories that are easy to install and that will extend the life of your building, roof or structure.