Wood Screw, Finish Durafast, Material Steel, Drive Combination Phillips/Square, Screw Size #9, Fastener Length 3 1/2 in, Drive Size #2, Threads per Inch 8, Thread Style Not Applicable, Minimum Thread Length 3 1/2 in, Pack Size Bulk, Maximum Head Width 5/16 in, Maximum Head Height 3/32 in, System of Measurement Inch, Head Type Flat, Point Type Not Applicable, Application Installing Wood Decks, Dimensional Standards Not Applicable, Package Quantity 280