[200 PKG] Lag Screws Hex Zinc Plated 5/16X5 1/2

Mutual ScrewSKU: 3188LKC

Price:
Sale price$110.96per 200( $0.55 each)
Pieces 200
Measurement type Inch
Thread size 5/16
Diameter 5/16
Length 5-1/2
Material Steel
Grade Steel
Finish Zinc Plated
Head style Hex
Threads per inch 9
Thread style Partially Threaded
Weight 19.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Introducing Lag Screws Hex Zinc Plated 5/16 x 5 1/2 inches — the ultimate heavy-duty fasteners for secure wood-to-wood connections. The hex drive enables fast, tool-friendly installation with a wrench or impact driver, while the zinc plating delivers excellent corrosion resistance for indoor and outdoor projects.

Key Features

  • Hex drive for quick and reliable driving with standard tools
  • Size: 5/16" diameter × 5-1/2" length for strong, deep fastenings
  • Finish: Zinc plated provides corrosion resistance in harsh environments
  • Material: Carbon steel combines strength with durability
  • Applications: ideal for decks, fences, pergolas, timber framing, and other heavy-duty wood projects

Specifications

  • Diameter: 5/16 in
  • Length: 5-1/2 in
  • Head type: Hex
  • Finish: Zinc plated
  • Material: Carbon steel

Applications & Installation Tips

  • Engineered for strong wood-to-wood connections in structural framing, decking, fencing, and outdoor installations
  • Pre-drill pilot holes to prevent wood splitting and ensure precise alignment
  • Use a compatible hex bit with a drill/driver for efficient driving and optimal torque

Choose Lag Screws Hex Zinc Plated 5/16 x 5 1/2 for durable, secure fastenings that stand up to the demands of any woodworking project.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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