Grip-Rite PrimeGuard MAX Star Drive 316 Stainless Steel Deck Screws are suitable for any exterior application, including gazebos, fences, decks, and docks. These marine grade hand drive deck screws feature a countersinking bugle head, star drive, and type 17 point. Flush seat, smooth finish, improved torque control, fast starting, and minimal splitting. Marine grade Grip-Rite PrimeGuard MAX 316 Stainless Steel Fasteners are the absolute best choice for building in coastal areas. When building near salt water, common stainless steel fasteners just won't cut it. Marine grade 316 stainless steel has been used for years in wooden boat construction and repair because it is the best performing alloy in terms of corrosion resistance. If your building materials are designed to stand the test of time, it only makes sense to use a 316 stainless steel fastener that is designed to match that long life expectancy. Learn more about Grip-Rite PrimeGuard MAX 316 Stainless Steel FastenersGrip-Rite PrimeGuard MAX 316 Stainless Steel Fasteners (PDF, 1.9MB) These items are not eligible for free shipping promotions.