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#8 x 2 in. Philips Square Drive Flat-Head Full Thread Yellow Zinc Coated Multi-Material Screw (161 per Box)

$950
  • No Pre-Drilling in Wood
  • Heat-treated (Grade-5 ) for strength and durability
  • Unidrive system works with square or Phillips bit
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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. This high performance wood screw is not your average screw. While it is designed for wood applications it is also functional for other materials like masonry, drywall, plastic, and up to 24ga steel. Masonry and Concrete do require pre-drilling. It is made with carbon steel and coated for durability to fasten strongly and securely. 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, easier to install, and reduces splitting in wood. Let the SPAX FACTOR take some of the hassle out of your next project
  • No Predrilling in Wood! Unique 4Cut Point design provides a self-drilling feature to prevent splitting in hardwood
  • Unidrive is a (Phillips/Square combo) drive system for the SPAX fastener. The user has the option of using a Phillips drive bit, a square drive bit, or a Unidrive SPAX bit (#8 and #10 only)
  • Engineered and manufactured in the USA
  • Patented MULTIhead countersinks the screw head flush in wood
  • TER No. 2010-02 - Multi Purpose Fastener Properties Report
  • Common applications: general projects where zinc coating is acceptable, hinge installation, wood crafts, cabinet frames
  • Bit Included
  • Return Policy

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

4Questions
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Q:Can i use these screws with the EZ Ancors to install rubbermaid shelf tracks?
by|May 14, 2021
1 Answer
Answer This Question

A:  Yes, should hold and have a secure hold.

by|May 16, 2021
    caret
    Q:I'm looking for a full thread screw to install 1×4 stripping for a metal over shingle roof. Any suggestions?
    by|Aug 5, 2018
    3 Answers
    Answer This Question

    A:  With the information given, we would recommend a #10 x 2-1/2 full thread Unidrive screw. These screws are available in a 1lb box at Home Depot. MFG Part# 4101010500606. Thank you for being a SPAX customer!

    by|Aug 14, 2018

      A:  The #8 2" SPAX screws that I have that have a green label as does the box in the picture states on the face of the box:For interior use in wood, masonry, concrete, metal and plastic. This particular screw would do everything you want EXCEPT it is for interior use. You state that your use is on a roof. You need and exterior screw. You should be able to find a SPAX sister screw to the ones shown that are for exterior use..

      by|Aug 13, 2019

        A:  Sorry, but I've never needed a full thread screw and have not spent any time finding which are full and which are standard thread patterns. I'd rather tell you I do not have any knowledge in that area than come up with a response and be winging it.

        by|Aug 13, 2019
          caret
          Q:Can I use this screw to install wood frames on masonry? And what about vinyl and aluminum windows...
          by|Oct 30, 2017
          8 Answers
          Answer This Question

          A:  The information shown on the SPAX box reads:For interior use in wood, masonry, concrete, sheet metal and plastic.For windows you'd need an exterior screw.. I'm not sure on the other applications you mention whether or not they are for outside use. For any outside use, get an exterior screw.

          by|Aug 13, 2019

            A:  Yes can use

            by|Jun 5, 2018

              A:  Yes is a very good in all those materials

              by|Jun 5, 2018

                A:  Yes

                by|Jun 5, 2018

                  A:  Hello, Both of these of these screws can be used in masonry applications but they must be pre-drilled. Secondly, as long as the screw is not exposed to the elements a yellow zinc coating will be fine. If the screw is exposed to the elements, we would recommend an HCR-X coated screw. Thanks for being a SPAX customer.

                  by|Oct 31, 2017

                    A:  already answered

                    by|Aug 14, 2019

                      A:  When you have a question about a product, read what is on the box or packaging. For this particular SPAX screw, the information on the box reads:For interior use in wood, masonry, concrete, sheet metal and plastic. It is also a full thread screw.

                      by|Aug 13, 2019

                        A:  The information on the box reads:For interior use in wood, masonry, concrete,sheet metal and plastic.You need to get a box of SPAX screw that are for exterior use. Other than that, the answer is yes.

                        by|Aug 13, 2019
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                          Q:Would these be a good choice for 23/32 subflooring T&G plywood?
                          by|Sep 5, 2016
                          7 Answers
                          Answer This Question

                          A:  While this 2" screw would work for fastening underlayment plywood to a subfloor, I personally would prefer to use a nail gun and nails intended to use for fasten underlayment to a subfloor.

                          by|Aug 13, 2019

                            A:  I did end up purchasing these for the subflooring and they worked wonderful! You really don't know what's under the subfloor until you remove it, at least we didn't. We just bought this house and it's quite a few years old (built somewheres in the early 1900's). We had to sister some 2"x8"s to some of the floor joists to make the subfloor more level (we're adding hardwood flooring eventually). We also added some blocks between the floor joists to help make it a very sturdy subfloor. We needed to use a 90 degree adapter for our electronic driver because there was no way to get our electronic driver between the floor joists. I think the square head on these really helped. The square bit did a great job grabbing into the screw and we didn't end up stripping any heads at all. Definitely worth the extra money!

                            by|Jul 4, 2017
                            2 found this answer helpful

                            A:  Yes is very good for that

                            by|Jun 5, 2018

                              A:  Yes

                              by|Jun 5, 2018

                                A:  For use in fastening 23/32" underlayment plywood to a subfloor, they'd be as good a screw as any. But, for that particular usage, I'd prefer to rent a power nailer and use underlayment nails specifically made for that job.

                                by|Aug 13, 2019

                                  A:  already answered

                                  by|Aug 14, 2019

                                    A:  Hello, Yes, the #8 x 2" or the 2-1/2" would be a great choice for this application. Thanks for being a SPAX customer, The SPAX Team

                                    by|Jul 1, 2017
                                      2 found this answer helpful
                                      Showing 1-4 of 4
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                                      Customer Reviews

                                      4.1 out of 5
                                      (100)
                                      • 4.1
                                        out of 100 reviews
                                      • 71%recommend this product
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                                      Great screws very strong
                                      Great screws very strong
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                                      Great looking strong screws that you can depend on to...
                                      Great looking strong screws that you can depend on to get the job done. Long enough to reach through the toughest wood for the longest support.
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                                        The drill was easy to assemble...
                                        The drill was easy to assemble
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                                            The specialty bit that you need to use with the...
                                            The specialty bit that you need to use with the screws is not good - the screws fall off worse than a normal P2. It was very annoying.
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                                            Using these to screw wide plank pine flooring to subfloors...
                                            Using these to screw wide plank pine flooring to subfloors perpendicular to joists. They’re quality. Haven’t busted one yet.
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                                            Ratings
                                            (100)
                                            (35)
                                            (10)
                                            (26)
                                            Screw Length2 in2-1/2 in1-1/4 in3 in
                                            Size#8#8#8#10
                                            Drive StylePhillips-SquareT-Star PlusPhillips-SquarePhillips-Square
                                            Head StyleFlat HeadFlat HeadFlat HeadFlat Head
                                            Fastener/Connector MaterialSteelSteelSteelSteel
                                            Interior/ExteriorInteriorInteriorInteriorInterior
                                            Package Quantity16113324072
                                            FeaturesCoated,Self Drilling,Self Tapping,Serrated EdgesCoated,Self Drilling,Self Tapping,Serrated EdgesCoated,Self Drilling,Self Tapping,Serrated EdgesCoated,Self Drilling,Self Tapping,Serrated Edges
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