Hillman 48610 Power Pro Premium Exterior Wood Screw, 9 X 2 1/2-Inch, 530 pack 530 pieces per package Ideal for decking and any outdoor wood project Bronze ceramic coat with a cross-cut thread and dual flat head exceeds 1,000 hour salt spray test under ASTM B116 20% faster engagement into wood 75% less wood splitting than standard wood screws