5/16 x 16.5 inch Heavy-Duty Wood Screws, Long Construction Screws for Structural Timber, Exterior Green Coated Rust-Resistant(1500-Hour Tested) Lag Screws for Deck Framing & Fence, Torx Drive 30 PCS

★★★★★ 4.6 25 reviews

US$57.17
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Management number 229468090 Release Date 2026/05/31 List Price US$57.17 Model Number 229468090
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Upgrade your outdoor build with YOKUSO heavy-duty wafer-head construction screws designed for deep, secure hold in large timbers, deck framing, and beams. The exterior green coating with 1500-hour salt spray performance provides strong, long-lasting rust protection. Each screw uses a Torx T-Star head for smooth, slip-free driving and includes a matching bit. Built as structural wood screws and no-pre-drill lag screws, the 38 N·m high-torque design drives cleanly while resisting bending and breaking. For stronger connections, faster installation, and dependable outdoor performance, these screws are built to deliver.

  • ✅No Pre-Drilling–Faster, Easier Installation. Save time on every exterior wood screws. Our wafer-head timber screws bite quickly into wood with no pilot holes needed, making structural wood screws perfect for deck framing, timber beams, pergolas, and other outdoor projects. Strong holding power for a solid, long-lasting connection
ASIN B0G6YL5RKK
Brand YOKUSO
Color Green
Model Construction Wood Screws
Set Name Single Set
Head Type Flat
Size Name 30PCS 5/16 X 17 inch
Metal Type Stainless Steel
Unit Count 1.0 Count
Part Number Construction Screws
Thread Size 5/16 inch
Thread Type Unc
Drive System Torx
Finish Types Green Coated
Manufacturer YOKUSO
Fastener Size 5/16 x 17 inch
Fastener Type Deck Screws
Item Diameter 7.94 Millimeters
Material Type Stainless Steel
Exterior Finish Green
Thread Coverage Fully Threaded
Number of Pieces 30
Screw Head Style Wafer
Screw Point Style T-Star Point
Set Screw Thread Type Unified National Coarse (UNC)
Compatible Groove Diameter 0.31 Inches

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4.6 out of 5
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25 ratings | 10 reviews
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