The 10 x 2-1/2″ Simpson Strong-Tie SD Connector Screw is designed for fast, secure installation in wood-to-wood and connector-to-wood applications. Precision-engineered to work with Simpson Strong-Tie® connectors, these screws provide load-rated performance for structural integrity you can count on.
Featuring a Class 55 Mechanically Galvanized finish, these screws offer corrosion resistance suitable for interior and most exterior environments. The hex-head design ensures easy driving and a flush finish, making them ideal for a variety of framing and fastening jobs. Ideal for use in connector applications where more control is desired or using a hammer is inconvenient.
Key Features:
- Engineered for Structural Connections: Designed specifically for use with Simpson Strong-Tie® connectors.
- No Pre-Drilling Required: Self-tapping tip drives easily into wood without splitting.
- Corrosion Resistant: Class 55 Mechanically Galvanized finish meets ASTM B695 Class 55 requirements.
- Hex-Head Design: 1/4″ hex head offers greater control and cleaner finish.
- Replaces Nails: the only screw approved to replace nails in certain Simpson Strong-Tie connectors.
Need more sizes or bulk quantities? Explore our full selection of Simpson Strong-Tie SD Screws.
California Residents: WARNING









