Grip-Rite Exterior Screws with PrimeGuard Plus coating deliver reliable, long-lasting performance in outdoor applications. The proprietary polymer coating meets ASTM B-117 salt spray standards, protecting against rust and corrosion for years of service. Engineered for the heaviest structural exterior work including ledger boards, beams, and multi-ply lumber. The green coating blends naturally with pressure-treated lumber.

• #10 x 4" coarse thread steel screw
• T-25 star drive reduces cam-out for secure fastening
• Type 17 self-drilling point - no pre-drilling required
• Bugle head with nibs countersinks for a smooth, flush finish
• PrimeGuard Plus polymer coating - ASTM B-117 salt spray rated
• Compatible with ACQ and all pressure-treated lumber
• 10-year warranty against rust and corrosion
• Sold in 1 Lb box