SDS Double Barrier Screw 1/4" x 3"

Simpson Strong-Tie’s SDS Double Barrier Screw is a heavy-duty, structural connector screw engineered for wood-to-wood and engineered-wood applications. Its patented Type-17 point drives quickly with no predrilling and minimizes splitting, while the corrosion-resistant double-barrier coating stands up to harsh environments. Each hex-head fastener is stamped with the brand logo and length for instant identification after installation.

Built to deliver long-lasting holding power and exceptional ease of use, these screws are ideal for deck framing, ledger connections, guardrail attachments and a wide range of structural projects requiring superior strength and reliability.

Key Features

• Type-17 point enables quick driving with minimal wood splitting and no predrilling
• Double-Barrier Coating provides corrosion resistance for outdoor and high-moisture environments
• Serrated threads bite deep into wood substrates for maximum withdrawal resistance
• 3/8" external hex head with integrated 0.500" washer ensures even load distribution
• Stainless-steel-look stamping on each head for fast length and brand identification
• Compatible with BITHEXR38-R1 driver bit (sold separately)

⚠️ 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.