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Structural Screws

Stainless Steel structural wood screws. Perfect for construction of decks, docks, boardwalks, piers and more. Choose stainless steel for superior corrosion resistance, especially is salt water environments.

  • SDWS Timber Screw, 3", side view; SDWS Screw, Star Drive, View of head with stamp; 3" SDWS Timber Screw, Digital rendering showing the thread pattern

    SDWS Timber Screw, 30pc Box, 316 Stainless Steel

    Heavy-Duty structural screw Marine Grade 316 for the ultimate corrosion resistance Heavy-duty diameter, SawTooth™ point and flat washer head Easy to install - saves time and lowers installation cost Perfect for docks, wharves, piers, boardwalks and more! Use when strength and corrosion resistance are critical. Easy to back out and reinstall as needed Driver bit included in each box Installs 5x faster than a traditional Lag Screw! No predrilling or counterboaring required.

    $81.60 - $299.20

  • Illustration of SDS25112SS 1/4" x 1-1/2" Simpson SDS Screw, Stainless Steel

    Simpson Strong Drive SDS Heavy-Duty Connector Screw, 25pcs, Stainless Steel

    Type 316 Stainless Steel for ultimate corrosion resistance 1/4” diameter high-strength structural wood screw 3/8” hex head with 0.48” integrated washer Type-17 point enables easy driving with no pre-drilling and minimal wood splitting Used to fasten certain heavy duty framing connectors to wood members Excellent for fastening ledger boards 25pc box

    $29.70 - $50.50

  • U2 Fasteners Construction Screw, Carbon Steel, Black Edition

    U2 Fasteners Construction Screw, Carbon Steel, Black Edition

    The Construction screw does the job of a lag screw.  This code-compliant heavy-duty self-tapping structural fastener is versatile and great for a variety of uses. Dome Head provides an extra-large bearing surface under the head. Tapper Point enables easy piercing and relives strain on material while installing. Tight Star Recess system is specially designed to hold U2 bits firmly in place.  They won't slip, even when upside down, allowing these screws to be installed with one hand.   Talon Grip nibs secure screw fastening to prevent loosening over time.  Reamer Thread enlarges the hole in the material to create a larger passage when drawing materials together and reduces tension on the screw head. The perfect fastener for staircases, deck frames, ledger boards, joists, rafters, planters, play sets and more. 

    $38.20 - $65.80

  • U2 Fasteners Construction Screw, Carbon Steel, U-Gold

    U2 Fasteners Construction Screw, Carbon Steel, U-Gold

    The Construction screw does the job of a lag screw.  This code-compliant heavy-duty self-tapping structural fastener is versatile and great for a variety of uses. Dome Head provides an extra-large bearing surface under the head. Tapper Point enables easy piercing and relives strain on material while installing. Tight Star Recess system is specially designed to hold U2 bits firmly in place.  They won't slip, even when upside down, allowing these screws to be installed with one hand.   Talon Grip nibs secure screw fastening to prevent loosening over time.  Reamer Thread enlarges the hole in the material to create a larger passage when drawing materials together and reduces tension on the screw head. The perfect fastener for staircases, deck frames, ledger boards, joists, rafters, planters, play sets and more. 

    $38.20 - $220.65

  • SDWH Timber Hex Screw, 4 Inches, Stainless Steel, 316SS; SDWH Timber Hex Screw, stainless steel structural screw being installed on an oceanfront property. ;SDWH Timber Hex Screw being installed into a deck ledger board

    Timber-Hex screw 316SS

    Unique box thread reduces driving torque Hex Washer Head Type 316 Stainless Steel for maximum corrosion protection No pre-drilling is required for most applications Designed for structural wood to wood and engineered to wood connections. Ideal for ledgers

    $189.65 - $318.00

  • U2 Stainless Steel Construction Screw with Dome Head, talon grip nibs to dig into material when countersunk, tapper point for easy start and piercing substrate material.; U2 Fasteners Construction Screw, line art.  See deep recess star drive that allows bit to fit tightly and lets the user install this screw one handed.  Tapper Point which consists of the Cork Screw Start and Blade Cutting Thread for easy piercing and alleviating strain on the material.

    U2 Fasteners Construction Screw, 316 Stainless Steel

    3 reviews

    The Construction screw does the job of a lag screw. Dome Head enhances the structural capability. Tapper Point which consists of the Cork Screw Start and Blade Cutting Thread for easy piercing and alleviating strain on the material. Specially designed Tight Star Recess system holds U2 bits firmly in place allowing these screws to be installed with one hand. "Talon Grip" nibs under the head hold the screw tight to prevent loosening and dig into the material when countersunk. Reamer Thread enlarges the hole in the material to create a larger passage when drawing materials together and reduces tension on the screw head. ***This thread is not on the 1/4" x 2" screw

    $27.75 - $699.45

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