18-8 Stainless Steel, Square Drive Bugle Head
Stainless Steel Screws are the best that can be used in exterior/marine construction where rust and corrosion is an issue. These screws have a square drive and a Type 17 drill point to reduce the need for pre-drilling.
Gold Star Drive, Bugle Head
Premium Grip Rite PrimeGuard Plus, and Striker brand screws. Approved for exterior use with treated lumber. Star drive bugle head, dull gold color. Excellent protection against rust and corrosion.
Grip Rite Brand Green Star Drive Exterior Screw
Premium multilayer polymer coating with a lifetime guarantee against rust and corrosion. Approved for exterior use with treated lumber. Thick neck bugle head with nibs for a clean countersink. Type 17 drill point to reduce splitting.
PrimeGuard Ten, Phillips Bugle Head
This deck screw has a Ten Year Guarantee against rust and corrosion. Coated and approved for exterior use with treated lumber. Bugle head, sharp point with #2 Phillips drive. Has a dull gray color.
Dacrotized, Phillips Bugle Head
A less expensive alternative, this hardened screw has a dacrotized finish comparable to galvanization for outdoor use. It is also approved for use with treated lumber. Bugle head, sharp point with #2 Phillips drive. Dull metallic gray in color.
Yellow Zinc, Phillips Bugle Head
General purpose screw for wood to wood applications. Yellow zinc has only moderate corrosion resistance and is not recommended for permanent exterior use. #2 Phillips bugle head.