Simpson Strong-Tie SDS Heavy-Duty Connector Screws made from 316 stainless steel deliver unmatched strength and corrosion resistance for demanding structural and outdoor applications. These structural fasteners are specifically engineered to replace traditional through-bolts and lag screws in wood connections, providing high-load performance with easier, faster installation.

Built to perform in the harshest environments – including marine, coastal, and chemically treated woodthese screws resist rust, pitting, and staining over time. The proprietary thread design ensures maximum holding power while reducing installation torque.

Key Features:

• 316 Stainless Steel Construction Maximum corrosion resistance for marine, coastal, and chemically treated wood environments.
• Heavy-Duty Performance Replaces lag screws and through