WoodPro Fasteners ST516X318-25PC 5/16-Inch by 3-1/8-Inch Length Round Washer Head Exterior Wood Screws, 25-Pack 5/16 x 3-1/8-Inch length, Includes One 25mm T-30 Star Bit T-30 Star Drive, Torx(tm) Compatible Patented ASTER thread for quick starting Sharp Type-17 Point for easy drilling PPG Industries 1,500 Hour Golden E-Coat