Simpson Strong-Tie SDS Screw 1/4" x 4-1/2" (10-Pack)

The Simpson Strong-Tie Strong-Drive® SDS 1/4" x 4-1/2" heavy-duty connector screw delivers exceptional strength and ease of installation for a wide range of structural wood-to-wood and connector applications. Engineered with a Type-17 point for rapid driving without predrilling, these screws minimize wood splitting and streamline assembly. Each hex-head screw features an integrated washer and a corrosion-resistant double-barrier coating, ensuring long-lasting performance in both interior and exterior environments.

Whether you're building decks, installing beams, or fastening engineered-wood connectors, these SDS screws provide the reliability and toughness professionals demand.

Key Features

• Type-17 point for no-predrilling installation and reduced wood splitting
• 3/8" hex head with 1/2" integrated washer for consistent seating
• Corrosion-resistant double-barrier coating for enhanced durability
• Serrated threads to reduce installation torque and improve bite
• Head stamped with the Simpson Strong-Tie “No-Equal” sign and fastener length for easy identification
• Premium stainless‐steel construction for maximum strength in structural applications

⚠️ WARNING: This product can expose you to Tetrabromobisphenol A known to the State of California to cause cancer and Epichlorohydrin known to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.