GRK 12225 Handy Pak Rugged Structural Screw, 5 16" x 4" SummerEndSale The combination of 82 Series The combination of 82 Series standards combined with 182 Series brackets (not included) gives you a more visually appealing option to use in those areas of the home or business that you wish to infuse organization into the room without hindering its visual appeal Sands easily creates a smooth surface for painting RSS screw which is 3 1 8" and longer have CEE thread that enlarges the screw hole for the non threaded portion of the fastener The sharp threads and points bite instantly into the material (including hardwood)