GRK Fasteners RSS 62225 Structural Screw, 5/16 in Thread, 4 in L, W-Cut Thread, Washer Head, Star Drive, 45 PK

PHEINOXâ„¢ 305 stainless steel screws are corrosion and stain-resistant, designed to withstand wet environments. Typical applications for 305 stainless are in corrosive environments such as lakes, pools, spas, decks and boardwalks. Compatible with most wood types including cedar, redwood and ipe.