[50 PKG] Lag Screws Hex Low Carbon Zinc Hot Dipped Galvanized 5/16-9 X 5 1/2

Mutual ScrewSKU: 3188LGBB

Price:
Sale price$51.40per 50( $1.03 each)
Pieces 50
Measurement type Inch
Thread size 5/16-9
Diameter 5/16
Length 5-1/2
Material Steel
Grade Low Carbon Zinc
Finish Hot Dipped Galvanized
Head style Hex
Threads per inch 9
Thread style Partially Threaded
Weight 4.87 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

Upgrade your outdoor wood projects with our Lag Screws Hex in Low Carbon Zinc Hot-Dipped Galvanized finish. These lag screws measure 5/16-9 x 5 1/2, delivering strong, long-lasting connections for decks, fences, pergolas, and other timber structures.

Key Features

  • Material: Low carbon steel for good machinability and strong performance.
  • Coating: Hot-dip galvanized zinc finish for superior corrosion resistance in outdoor environments.
  • Size: 5/16 inch diameter, 9 threads per inch, 5 1/2 inches long (5/16-9 x 5 1/2).
  • Head Type: Hex head designed for easy driving with standard wrenches or impact drivers.
  • Applications: Ideal for exterior timber-to-timber connections in decks, fences, pergolas, and other wooden structures.

Why Choose HDG Lag Screws

  • Outstanding withdrawal strength and load-bearing performance in wood-to-wood connections.
  • Excellent corrosion resistance to extend service life in wet, humid, or coastal environments.
  • Low maintenance and reliable performance for long-term outdoor projects.

Installation Tips

  • Pre-drill a pilot hole to minimize wood splitting and ensure proper alignment during installation.
  • Use the appropriate driver to prevent slippage and over-torquing, which can affect the fastener’s performance.
  • Ensure your pilot hole size matches the screw diameter and wood type for optimal grip and strength.

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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