[1 PC] Lag Screws Hex 18/8 Stainless Steel 5/16 X 6-1/2

Mutual ScrewSKU: 31104L188YW

Price:
Sale price$17.57per 1( $17.57 each)
Pieces 1
Measurement type Inch
Thread size 5/16
Diameter 5/16
Length 6-1/2
Material Steel
Grade 18/8
Finish Stainless Steel
Head style Hex
Threads per inch 9
Thread style Partially Threaded
Weight 1.0 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

Lag Screws Hex 18/8 Stainless Steel 5/16 X 6-1/2 are heavy-duty fasteners engineered for secure timber connections. Crafted from 18/8 stainless steel, these hex lag screws deliver superior corrosion resistance and long-lasting performance in both indoor and outdoor applications.

Product Details

Size: 5/16" diameter x 6-1/2" length

Material: 18/8 stainless steel (304-grade) for corrosion resistance

Head Type: Hex head for easy driving with standard wrenches or hex sockets

Key Benefits

  • Superior corrosion resistance: 18/8 stainless steel stands up to moisture, rain, and outdoor environments, helping prevent rust and staining.
  • Strong, reliable holding power: The combination of diameter and length provides robust grip in heavy timber.
  • Versatile hex drive: Hex head enables fast, secure installation with common tools.
  • Exterior-ready: Ideal for deck framing, gates, fences, pergolas, and other exterior wood connections.

Applications

Perfect for exterior wood framing, deck construction, pergolas, fences, and other heavy-duty woodworking projects where a strong, corrosion-resistant fastener is required.

Installation Tips

  • Pre-drill a pilot hole matching the screw diameter to reduce wood splitting.
  • Drive until the head sits flush with the wood surface, applying steady, even pressure with a hex driver or socket wrench.
  • Ensure sufficient embedment into solid wood; avoid overtightening to prevent damage.
  • Pair with appropriate wood screws and fastener practices for the best longevity.

Choose Lag Screws Hex 18/8 Stainless Steel 5/16 X 6-1/2 for durable, long-lasting performance in demanding environments. Add to your cart today for reliable timber connections that stand up to the elements.

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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