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3/8 in. x 6 in. Hex Drive Hex Head High Corrosion Resistant Coating PowerLag Screw

$2.87
  • No Pre-Drilling in Wood
  • Heat-treated (Grade-5) for high strength and durability
  • HCR coating provides high corrosion resistance
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Product Details

The SPAX Factor - For the craftsman that concentrates on the details, We Work for You. For the Pro that puts qualify first, we help you create stronger connections, enhance performance and improve results when your reputation is on the line. Say Good Bye to your fathers traditional lag. SPAX PowerLags offer superior installation performance and durability over traditional lag screws and carriage bolts for structural wood construction. Made of carbon steel and coated for long term durability to ensure your project endures. U.S made SPAX is your trusted partner for your fastening needs. Do it Once, Do it Right with SPAX.
  • Check out our Threads! Our patented thread serration technology allows the screw to be driven faster, reduces splitting in wood, and reduces driving torque by 40 percent. Let the SPAX FACTOR take some of the hassle out of your next project
  • The ideal replacement for the conventional lag. IRC/IBC Code Compliant: TER-No. 1912-14
  • True to size thread diameters, grade 5 heat treat, and the washer head style are just some of this fastener's distinct advantages. Tested under the toughest scenarios to give you confidence in every connection
  • The HCR (High Corrosion Resistant) double barrier coating is tested and recognized for use in ground contact and pressure treated lumber for exterior fresh water general construction applications
  • Engineered and Manufactured in the USA
  • SPAX 3/8-in. Hex PowerLags require a 1/2-in. Hex Driver
  • Common applications: Landscaping timber, deck ledger attachment, fencing, exterior treated lumber, structural wood to wood connections
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Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

8Questions
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Q:How does "High Corrosion Resistant Coating" compare to galvanized as far as time to rust?
by|Nov 5, 2020
2 Answers
Answer This Question

A:  I used these screws to assemble an outdoor swing set in Pittsburgh PA. Still rust-free after 3+ years.

by|Nov 26, 2020

    A:  GDub -- I always use the High Corrosion Resistant Coating screws when I am adding a deck or any outside building. In the past five years, not a one has rusted or have I had an issue with.

    by|Nov 6, 2020
    caret
    Q:Are these suitable for pressure treated wood?
    by|Oct 9, 2019
    2 Answers
    Answer This Question

    A:  Yes, the SPAX HCR coating is acceptable for treated lumber.

    by|Oct 9, 2019

      A:  I used these in a variety of applications with pressure treated wood and cedar. I have noticed no corrosion or other issues.

      by|Oct 9, 2019
        caret
        Q:I'm screwing a 6x4 cedar tone to a 6x6 cedar cedar tone and have a 3/8" diameter. Is this the be...
        by|Jul 5, 2019
        1 Answer
        Answer This Question

        A:  This would probably work if you're going through the 4" side and into the 6X6. You'll have 2.5" of thread. An 8" lag might be better though or even go with a bolt if you can. You could probably use an 8" bolt and a nut if you counter sink an inch on both sides.

        by|Jul 7, 2019
          caret
          Q:are these sold in packs or individually
          by|Jun 24, 2019
          4 Answers
          Answer This Question

          A:  sold as individual and in a box. I believe the box holds 20, I could be wrong

          by|Jul 31, 2020

          A:  ajp -- HD sells the Lag Screw individually. I found drilling through the first piece and drilling a pilot in the second one really makes application easy.

          by|Jun 10, 2020

          A:  From what I have found these are sold individually although I purchased an entire box.

          by|Jun 26, 2019

            A:  This item is a single screw sold individually. Thank you for being a SPAX customer!

            by|Jun 26, 2019
              Showing 1-4 of 8
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              Customer Reviews

              4.8 out of 5
              (46)
              • 4.8
                out of 46 reviews
              • 89% recommend this product
              Filter by:
              Showing 1-10 of 46 reviews
              I discovered these great lag bolts several years ago when building a deck and have used them many...
              I discovered these great lag bolts several years ago when building a deck and have used them many times since for applications needing high corrosion resistance and ease of driving such as reattaching the skids on my dock float and sistering a 3 x 8 timber on the dock ramp. Both of these are situations that required awkward positioning and driving with a battery powered impact driver. The special threads self drill and reduce driving difficulty and the hex heads handle the driving load with ease.
              by
              • DIY
              • Verified Purchase
              • Recommended
              1 found this review helpful
              Good anchor bolts
              Worked fantastic great product
              by
              • Verified Purchase
              • Recommended
              Worked great -- would use again definitely....
              Worked great -- would use again definitely.
              by
              • Verified Purchase
              by
              • Verified Purchase
              These lag screws are awesome. Used them to connect...
              These lag screws are awesome. Used them to connect 4x4 vertical posts and 4x4 cross pieces for an outdoor sign mounting structure. I did pre-drill 1/4 in holes to get them started, although that is not really necessary. I just wanted to ensure they were going in perfectly straight. Locked down tight with a socket wrench. I also countersunk them, so they should last a long long time.
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              • Verified Purchase
              by
              • Verified Purchase
              by
                They worked. I needed shorter but they didn't have them...
                They worked. I needed shorter but they didn't have them and I didn't have time to wait. See how they hold up long term
                by
                  Not worth it, just used galvanized lag bolts. One of...
                  Not worth it, just used galvanized lag bolts. One of these snapped on me, and no, they are not self-tapping so why bother?
                  by
                    MISREPRESENTED the SIZE Says it's a 3/8" BUT...
                    According to the specifications, it's a 3/8" lag screw, it's NOT! If you measure the SHANK (where you're supposed to), you'll find that the SHANK is only 1/4". the ONLY place the screws measures 3/8" is across the outermost edges of the threads, WRONG!
                    by
                      Showing 1-10 of 46 reviews

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                      Ratings
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                      Size3/8 in1/2 in3/8 in3/8 in
                      Screw Length6 in10 in5 in6 in
                      Fastener PlatingMagniZincGalvanizedGalvanized
                      Drive StyleHexHexHexHex
                      Package Quantity1111
                      Interior/ExteriorExterior, InteriorExterior, InteriorExterior, InteriorExterior, Interior
                      Head StyleHexHexHexHex
                      Fastener/Connector MaterialSteelSteelSteelSteel
                      Finish FamilyGreenZincMetallicMetallic
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