Simpson SDS Heavy Duty Connector Screws
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STARTING AT$7.83 -
STARTING AT$10.75
Simpson Strong-Tie SDS Heavy-Duty Connector Screws
The Simpson Strong-Tie SDS Heavy-Duty Screw is a high-strength structural fastener designed as a superior alternative to lag screws. Engineered for maximum load capacity and ease of installation, SDS screws deliver consistent performance in demanding structural applications, all while meeting strict code requirements.
Why Choose SDS Screws?
- Heavy-Duty Strength: Built for high shear and withdrawal resistance, making them ideal for structural framing.
- Lag Screw Replacement: Provides equal or greater strength than traditional lag screws, with no pre-drilling required in most cases.
- Code-Compliant: ICC-ES approved for use in structural wood-to-wood connections and with many Simpson Strong-Tie products.
- Corrosion Resistant: Available with protective coatings or stainless steel options for use with treated lumber and outdoor applications.
- Easy Installation: Self-tapping design reduces installation time and effort compared to lag bolts.
When to Use SDS Screws
SDS screws are designed for structural wood connections where strength and reliability are critical. Common applications include:
- Fastening beams, ledgers, and girder trusses
- Securing post bases and column bases
- Installing holdowns, straps, and angles in seismic or wind-load projects
- Deck ledger board connections and other outdoor framing work
Note: For maximum performance, always use Simpson SDS screws as specified in Simpson Strong-Tie product load tables.
SDS Screws FAQ
What makes SDS screws different from standard structural screws?
SDS screws are engineered for heavy-duty structural applications, offering higher load values and ICC approval. They’re specifically designed to work with Simpson connectors and hardware.
Do SDS screws replace lag bolts?
Yes. SDS screws are a code-compliant alternative to lag screws, providing equal or greater strength while eliminating the need for pre-drilling in most wood applications.
Are SDS screws approved for outdoor use?
Yes. SDS screws are available with corrosion-resistant coatings and stainless steel versions, making them suitable for decks, pergolas, and other exterior projects.
Do I need special tools to install SDS screws?
No. SDS screws are designed to drive quickly with standard tools. Their self-tapping design makes installation faster and easier than traditional lag bolts.
Still have questions about structural wood screws? Check out our FAQ on Structural Screws, or learn What are Better: Nails or Screws.
Find it Fast. Get it Fast.
If you have any questions about Simpson SDS Heavy-Duty Screws, call our Product Experts at (888) 794-1590 or email customerservice@fastenersplus.com. We’ll help you find exactly what you need.