

Simpson Strong-Tie SD9112SSMB #9 x 1-1/2" Connector Screw 316 Stainless Steel
$868.39
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Simpson Strong-Tie SD9112SSMB – #9 x 1-1/2 in 316 Stainless Steel Screw
The Simpson Strong-Tie SD9112SSMB is a high-performance structural connector screw designed for superior corrosion resistance in harsh environments. Made from 316 marine-grade stainless steel, this #9 x 1-1/2 inch screw is ideal for coastal construction, deck framing, and exterior wood-to-wood or wood-to-metal connections.
✅ Key Features
Size: #9 x 1-1/2 in
Material: 316 stainless steel – excellent corrosion resistance
Drive Type: T-25 6-lobe star drive reduces cam-out and driver wear
Head Type: Flat head with underhead nibs for clean countersinking
Application: For use with Simpson stainless steel connectors
Coating: None (solid 316 SS) – safe for use with pressure-treated lumber
Code Approved: Meets IRC and IBC requirements when used with compatible connectors
🛠️ Ideal For
Coastal and marine environments
Deck construction and framing
Exterior wood connectors (joist hangers, angles, straps)
Use with stainless steel hardware to avoid galvanic corrosion
📦 Package Info
Brand-new and factory sealed
Pack size varies (confirm listing quantity)
Compatible with many Simpson Strong-Tie stainless steel connector products
For long-lasting performance and code-approved fastening in corrosive or outdoor applications, the SD9112SSMB screw delivers the strength and durability professionals rely on.
Shipping
Most orders are shipped within 24 hours Mon-Fri
Delivery
1-3 Day Free Shipping for most locations
Returns
30 Day Returns