Grip-Rite P312STBK #10 x 3-1/2" Ultraguard T-25 Star Drive Type 17 Point Screw (25LB Approx 1,400 Screws)
For exterior applications, including decks, siding, gazebos, and playsets. Countersinking bugle head prevents heads from popping out, leaves smooth finish. Type 17 point reduces need to pre-drill boards. Available in combination drive or star drive.