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Conwell Home Center

Structural Lag Screws 5/16" X 3-1/2", 40 Pieces

SKU #5066439 Model #48945 UPC #038902373656
Power Pro Structural Lag Screws 5/16" X 3-1/2", 40 Pieces

Power Pro

Regular Price
$ 27.99 EA
Subject to availability and seasonality from suppliers. If we cannot get it, you will be notified and refunded.
Conwell Home Center Provincetown, MA
Key Features
AI Generated
  • Achieve up to 5× quicker installs versus traditional lag screws.
  • Use these screws for any indoor or outdoor structural task.
  • No pre‑drilling needed; the design pierces wood effortlessly.
  • Experience faster screw placement thanks to the patented efficiency‑focused design.
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Description

AI Robot
Descriptions are AI-generated. For accurate measurements, please call the store to confirm.

Structural lag screws are heavy-duty fasteners designed for framing, decking, and other demanding construction and woodworking projects. These 5/16" x 3-1/2" screws feature a corrosion-resistant coating and are engineered for use with treated lumber. The serrated thread design and Type 17 point allow for quick penetration without pre-drilling, reducing installation time and tool fatigue on the job site.

Whether you're a professional contractor or a dedicated DIYer, these structural lag screws help you achieve code-compliant, long-lasting joints. The low-profile dome head delivers reliable performance while the epoxy coating protects against rust and corrosion—essential for treated lumber applications and projects exposed to moisture.

Features and Benefits

  • Corrosion-Resistant Coating: Epoxy finish guards against rust and corrosion in treated lumber applications.
  • Type 17 Point with Serrated Threads: Allows quick penetration without pre-drilling, saving time on installation.
  • Faster Installation: Design delivers up to five times faster driving than standard lag screws, reducing tool fatigue.
  • Code-Compliant: Trusted for building code-approved installations on treated lumber.
  • Low-Profile Dome Head: Easy-to-read depth codes support quick post-inspection verification.

Specifications

  • Brand: Power Pro
  • Diameter: 5/16"
  • Length: 3-1/2"
  • Count: 40 pieces
  • Head Type: Dome head
  • Drive Style: Star
  • Thread Type: Dual lead with serrated threads
  • Point Type: Type 17