GRK RSS Rugged 5/16 In. x 4 In. Stainless Steel Structure Screws (45 Ct.) SimplePrep and can be bolted together

and can be bolted together

reversible motor provides optimal performance in summer and winter

freestanding

accurately positioned holes

GRK RSS Rugged 5/16 In. x 4 In. Stainless Steel Structure Screws (45 Ct.) SimplePrep and can be bolted togetherGRK RSS 305 Stainless Steel Screws provide superior corrosion resistance for high moisture environments. 305 Stainless Steel Screws are for applications that require superior corrosion resistance in exterior environments with high moisture content, such as docks, boardwalks, pools and hot tubs. These screws are also for use with cedar, redwood, and various wood species that have higher acid content.