#14 x 2.5" Hurricane Fasteners Metal Roofing Screws (Metal-to-Wood)[#14 x 2. 5 Hurricane Metal Roofing Screws (Metal to Wood)] The best replacement screw for coastal and high wind environments. 2. 5 Thread Length. An EPDM washer that is 1 in diameter and 25mm thick provides a weather tight seal. Type 17 Sharp Tip easily pierces into OSB and plywood and prevents pigtails from embedding themselves in the washer. No pre drilling needed! 3 8 Hex Head. 100 Count Screws shipped in (4) 25 count bags. [Versatile Utility]