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6" timber screws
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6" timber screws - specs
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6" timber screws - rafters / trusses
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6" timber screws - easy to install
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6" timber screws - coarse threads
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6" timber screws - tapered countersunk heads
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6" timber screws - 5/16 inch hex bit
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6" timber screws - pressure treated lumber
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6 inch timber hex head screws
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6 inch timber frame screws
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6" wood lock screws
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6 inch timber roofing screws
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6 inch timber decking screws
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6" Structural Timber Screws - Countersunk (Hex Head)
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6" structural timber screws
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6" Structural Timber Screws - Countersunk (Hex Head)
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6" Structural Timber Screws - Countersunk (Hex Head)
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6" Structural Timber Screws - Countersunk (Hex Head)

6" Structural Timber Screws - Countersunk (Hex Head)

  • $21.00
  • Save $21


Free shipping to continental USA

All orders placed before 12PM PST Monday - Friday are shipped same day (holidays excluded).



Perfect for Roofing, Decking, and Framing Projects!

Upgrade your construction projects with our 6" Structural Timber Screws (also known as wood lock screws), designed for versatile applications like securing rafters, trusses, headers, and stair stringers. These heavy-duty screws replace 3/8-inch lag bolts, eliminating the need for pre-drilling in most cases and significantly reducing installation time. Featuring a sharp point and aggressive coarse threads, they easily penetrate dense wood, while the tapered head allows for seamless countersinking. Installation is quick and easy with just a 5/16" hex bit, making these hex head timber screws a reliable choice for any project.

Please Note*
  • Meets the latest ICC standards (ICC-ES ESR-1078)
  • Approved for use in ACQ or treated lumber

Specs

  • Screw Length: 6"
  • Size: 3/16"
  • Thread Length: 2"
  • Washer Diameter: 15/32"
  • Material: Carbon Steel
  • Plating: Electro Galvanized Zinc
  • Type: Structural Screws
  • Interior/Exterior: Interior/Exterior
  • Drive Type: hex
  • Thread Type: Coarse
  • Thread Pitch: 3 mm
  • Threads Per Inch (TPI): 12

    Features

    • Great For A Variety of Applications: Ideal for interior or exterior jobs, these screws work great for attaching rafters/trusses to the top plate, headers, stair stringers, landscaping timbers, & MORE!
    • Faster & Easier Installation: Eliminate pre-drilling and speed up projects by replacing 3/8" lag bolts and even hurricane straps in a Rafter/Truss to Plate application with these strong, versatile screws.
    • Superior Holding Strength: 2 inch thread length of aggressive coarse threads provide exceptional holding power for dense and treated woods.
    • Tapered Countersinking Head: Ensures smooth and flush installation without additional effort (washer head diameter: 15/32")
    • Easy to Use: Sharp point Installs effortlessly with a 5/16" hex bit, simplifying any project.
    • Compatible with ACQ or Pressure Treated Lumber: Screws are finished with an Electro Galvanized Zinc coating, ideal for interior or exterior applications.
    • Meets the latest ICC standards (ICC-ES ESR-1078)

    FAQ

    What size hex bit do you install these with?

    You'll need a 5/16" hex bit to install these screws.  Pre-drilling is usually not needed, but if you do need to pre-drill, a 3/16" pilot hole is recommended.

    Are these timber screws compatible with pressure treated lumber?

    Yes, these timber screws are finished with an Electro Galvanized Zinc coating, making them compatible with ACQ or Pressure Treated Lumber.


    Our Customers

    Our sandbags, burlap bags, and landscape staples are trusted by

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