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Internet # 310477047

Model # 00139

Store SKU # 1004099373

#10 x 3-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (1,200-Pack)

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  • Faster Drive for Improved Productivity
  • Fast Bite Tip provides a fast start for one-step installation
  • For interior / exterior use
  • View More Details
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Product Details

About This Product

GRK's R4 self-countersinking screw has a patented under head with saw-blade like cutting teeth and 6 self-contained cutting pockets. Together they act similar to a circular saw-blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment. R4 Multi-Purpose Framing Screws are used for wood, plastic, cement fiber board, particle board, sheet metal, wood decking and melamine. For use in all applications that include pressure treated lumber.


  • Recessed star drive allows for zero stripping with 6 points of contact
  • CEE thread enlarges hole to reduce splitting
  • Low torque, smoother drive
  • No pre-drilling allows faster penetration
  • Return Policy

Product Information

Internet # 310477047

Model # 00139

Store SKU # 1004099373



Screw Length

3-1/2 in



Thread Pitch (mm)

2.6 mm

Threads Per Inch (TPI)



Drive Style


Fastener Color


Fastener Material

Carbon Steel

Fastener Type

Wood Screw


ACQ Rated, Self Tapping

Head Style

Bugle Head


No Additional Items Included


Exterior, Interior

Materials Fastened

Wood to Wood

Measurement System


Package Quantity


Product Weight (lb.)

18.27 lb



Thread Style

W-Cut Thread

Warranty / Certifications

Manufacturer Warranty

Visit our website at grkfasteners.com and type in warranty in the search box for detailed warranty information

Questions & Answers

Q:Can these be used to secure a 6x6 deck post to the concrete bracket? Bracket has 6 holes on both sides, so it would be 12 of these nails securing the post to the bracket. can these be used for that?
by|May 15, 2024
0 Answer
Answer This Question
Q:Would these screws be appropriate for building the wall studs and ceiling of a 10 x 12 x 8’ garden shed?
by|May 5, 2024
2 Answers
Answer This Question

A:  Thank you for contacting us. Since materials and applications do vary, you are welcome to call our Technical Support department at 800-222-6990 to review the specifications of your project and these particular screws.

by|May 9, 2024

    A:  Yes! Structural rated screw .

    by|May 7, 2024
      Q:I'd like to use this to build a outdoor table with 2" by 8" by 10' pressure treated wood. Is it good to connect 2 piece of wood since the wood actual thickness is only 1.5" not 2"? If this nail is not a good fit, which one I should choose? Thank you
      by|Apr 28, 2024
      1 Answer
      Answer This Question

      A:  Hello, Thank you for reaching out. There are so many factors that come into play when selecting a fastener for a specific fastening situation. We can guide you on a product line that should work. However, we'd need a little more information about your application. Feel free to contact us on our hotline. The number is 800-222-6990.

      by|Apr 29, 2024
        Q:How big around are they? I need approx 3/8
        by|Apr 19, 2024
        1 Answer
        Answer This Question

        A:  Hi, Traci. Thank you for contacting us. On the GRK site there are technical drawings for each screw which outline the dimensions. Please feel free to call us at 800-222-6990 if you require more help.

        by|Apr 23, 2024
          Showing 1-4 of 123

          Customer Reviews

          4.9 out of 5

          • 4.9 out of 2,682 reviews
          • 96% recommend this product
          Filter by:
          Showing 1-10 of 2,682 reviews
          Worked great throughout treated 4x4’s. Unlike a deck screw, these powered through, didn’t break or have the heads strip.
          • Verified Purchase
          Well worth the money!
          I'll never use regular Phillips head screws again. The quality of this GRK brand fasteners is amazing! No pre-drilling necessary and it never splits wood. Screws never break or bend during installation with an impact driver. Screws don't strip or rust
            • Recommended
            Excellent product, pricey but well worth the money
            I've been using this GRK brand for many years already. Never had a problem with any of the products. No pre-drilling necessary and it won't split the wood. I've been using them on both, interior and exterior projects. Pressure treated Decking, indoor framing, door and window installation and many more. Strong hold on every application and won't rust. Drives in easily.and doesn't strip.
            Response from ITW BrandsMay 1, 2024
            Thanks for sharing your positive experience with GRK. We’re working hard to make sure everything we make works for pros like you. If you follow us on Instagram/Facebook you can be the first to know about new products and find out about our giveaways and contests.
              • Recommended
              Extremely Upset
              I purchased these and there were a total of 68 screws in this “110 qty.” box.
                • Recommended
                Southern Sweeps
                Southern Sweeps uses these screws to fasten the firebox to the stud wall when installing the fireplace. looks the fireplace in secure.
                  • Recommended
                  The absolute best screw for structural framing. The self starter tip will eat into pine easy and the star bit imprint is deep so that the star bit will not strip it out. Great for impact guns. Nearly a 1000 lb sheer force with the screw. You can’t go wrong if you build it strong. Get these to do it right.
                  • Verified Purchase
                  I got Significantly less than I paid for
                  I got this online and the package was open and less than half full.
                    Not sure why everyone loves them.
                    Using these for screwing down Advantech subfloor and these screws are NOT self starting. Almost all of them gave me a very hard time starting. I think it may be an issue with the batch because the picture of where the self starting part is does not match the screws I have. The self starting slot is too high on the screws I have so they just don't
                      1 found this review helpful
                      NOT suitable for exterior. Mine are all rusting.
                      25 months ago, in NY, I constructed in PT lumber some outdoor stairs. Removing stairs now and here are the first 14 (not cherry-picked) screws. This is 25 months. 1/14 shows no sign of corrosion. 13/14 showing corrosion, one with severe (threads already starting to "melt"). Note I used GRK from two batches; it was not a bad lot. Hugely disappointed. Will continue using the screws I have only for interior shelving, basement framing, etc. Absolutely not up to the task outdoors.
                        9 found this review helpful
                        A no brainer
                        These are the best for any project. Saves time and frustration.
                        • Verified Purchase
                        • Recommended
                        Showing 1-10 of 2,682 reviews