Fasteners
Screws
Simpson Strong-Tie
$12-$55 per box

Structural Screws for Code-Compliant Framing

Structural screws are code-evaluated fasteners engineered to replace nails and lag bolts in load-bearing connections. With published shear and withdrawal values, they meet building code requirements while installing faster and allowing easier disassembly.

Key Features

  • ICC-ES evaluated with published load values
  • Replaces nails in metal connectors
  • Self-drilling tip no pre-drill needed
  • High shear and withdrawal strength
  • Star drive for slip-free installation

Specifications

Material: Hardened carbon steel with ACQ coating | Sizes: #9 x 1-1/2in to #10 x 6in | Drive: 6-lobe Star/Torx | Code: ICC-ES ESR evaluated

Best For

Joist hanger installation
Metal connector fastening
Ledger board connections
Deck framing

Compatible Materials

Dimensional lumber
Pressure-treated lumber
Engineered wood products
Simpson Strong-Tie connectors

Pros & Cons

Pros

  • ✓ Faster than hand-nailing connectors
  • ✓ Driven with cordless impact driver
  • ✓ Removable for adjustments
  • ✓ Approved for metal connectors

Cons

  • ✗ More expensive per unit than nails
  • ✗ Must verify code approval per application
  • ✗ Not all connectors accept screws

Installation Tips

Verify the structural screw model is approved for your specific connector. Drive flush to connector surface without overdriving. Use recommended star bit.

Frequently Asked Questions