For the most comprehensive selection of nails and screws, look for Grip-Rite, the most popular brand of fasteners in America. No matter what the project or what size the job, Grip-Rite has the optimal fastening solution. TAs construction materials and techniques evolve, fastener design keeps pace with the changing technology. Fastener needs vary from project to project and the safety and life expectancy of the project can be extended or compromised based upon the fastener used. Fasteners have been designed to meet the special needs of projects such as roofing or drywall and in many cases are known by the application for which they are intended. The Grip-Rite #8 x 1-5/8 in. Coarse Polymer-Coated Black Steel Flat-Head Square Wood Deck Screws (1,000-Pack) feature a square drive and steel construction. These collated screws are for use on wood decks.