Structural screws

These #9 x 3 1/8" construction screws feature dual-action threading for superior holding power in wood applications. The tan colour blends naturally with pressure-treated lumber and composite decking materials. Engineered for structural strength, these screws provide reliable fastening for deck boards, framing connections, and general construction assemblies. The sharp point and aggressive threads reduce splitting while ensuring quick, secure installation in softwood and hardwood substrates.

These #9 x 3 1/8" construction screws are designed for demanding structural applications. The dual-action thread design delivers superior holding power in wood-to-wood assemblies. Tan-coloured coating blends with pressure-treated lumber and cedar decking. Suitable for deck framing, ledger boards, joists, and general construction fastening where corrosion resistance and pull-out strength are critical.

These #9 x 2 1/2" dual-action structural screws feature a tan finish for outdoor applications. The dual-action thread design provides superior holding power and reduces splitting in wood. Suitable for decking, framing, and general construction assemblies where strong, weather-resistant fastening is required.

Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWS Timber Screw (Exterior Grade) is ideal for the contractor and do-it-yourselfer alike. It is code listed under IAPMO UES ER-192 and meets 2015 and 2018 IRCA and IBCA code requirements for several common wood framing applications.

Ideal for Ledger Boards

Ideal for Ledger Boards

The Outdoor Accents structural wood screw reduces installation time by driving easily without predrilling. When combined with the patented, load-rated Outdoor Accents hex-head washer, the solution delivers the decorative appearance of a bolt connection but with a much easier installation. The structural wood screw can be used with either the Mission CollectionA or Avant Collectiona„¢, as well as separately to add flair to any outdoor project. The 5-1/2 in. screw features a bold thread design that enables superior holding to attach ledgers and other secure connections.

Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWS Timber Screw (Exterior Grade) is ideal for the contractor and do-it-yourselfer alike. It is code listed under IAPMO UES ER-192 and meets 2015 and 2018 IRCA and IBCA code requirements for several common wood framing applications.

Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWS Timber Screw (Exterior Grade) is ideal for the contractor and do-it-yourselfer alike. It is code listed under IAPMO UES ER-192 and meets 2015 and 2018 IRCA and IBCA code requirements for several common wood framing applications.

The Strong-drive wood screw is specially designed for structural wood-to-wood applications and is also ideal for a wide variety of projects where a high-strength attachment is needed. This 0.220" diameter fastener requires less torque to install than comparable fasteners, making it easies to drive, and the corrosion-resistant coating is suitable for many interior and exterior applications.

The Strong-drive wood screw is specially designed for structural wood-to-wood applications and is also ideal for a wide variety of projects where a high-strength attachment is needed. This 0.220" diameter fastener requires less torque to install than comparable fasteners, making it easies to drive, and the corrosion-resistant coating is suitable for many interior and exterior applications.

The Strong-drive wood screw is specially designed for structural wood-to-wood applications and is also ideal for a wide variety of projects where a high-strength attachment is needed. This 0.220" diameter fastener requires less torque to install than comparable fasteners, making it easies to drive, and the corrosion-resistant coating is suitable for many interior and exterior applications.

Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws.

This screw is a powerful fastening solution for preservative-treated decking applications.

These RSS™ Screws are designed for strength and style in architectural applications. Made from specially hardened steel, they deliver high tensile, torque, and shear performance. Sharp threads and points bite instantly into materials, including hardwood, while slender shanks reduce splitting. Each 50-pack offers a professional-grade fastening solution for various projects. Designed for durability and precision, these sleek screws are a reliable choice for diverse applications.

These GRK RSS™ Screws are a speedy lag bolt alternative with immense drawing power. Made from case-hardened steel, they feature sharp threads that bite instantly into wood, including treated lumber, to reduce splitting and eliminate the need for pre-drilling. With a corrosion-resistant finish, these screws are built for lasting performance in any environment. This convenient1000-pack helps ensure you never run out of rugged structural screws when you need them.

Tackle demanding construction tasks with ease using GRK RSS™ Screws. These rugged structural screws are made from hardened steel to deliver strong holding power and consistent performance. The W-Cut™ thread design reduces torque for smoother, more efficient driving and the sharp point bites instantly into wood to minimize splitting. These treated-lumber approved screws come in a convenient 1000-pack and are ideal for hardwood and structural applications.

These reliable GRK RSS™ LTF Timber Frame Screws are fast and heavy-duty lag bolt alternatives for joists and trusses. Made from case-hardened steel, they are treated-lumber approved for demanding structural jobs. The W-Cut™ thread design reduces driving torque and makes installation hassle-free, while sharp threads grip instantly to reduce splitting. Ideal for heavy-duty construction, these screws support fast, secure joins without pre-drilling.

These reliable GRK RSS™ LTF Timber Frame Screws are fast and heavy-duty lag bolt alternatives for joists and trusses. Made from case-hardened steel, they are treated-lumber approved for demanding structural jobs. The W-Cut™ thread design reduces driving torque and makes installation hassle-free, while sharp threads grip instantly to reduce splitting. Ideal for heavy-duty construction, these screws support fast, secure joins without pre-drilling.

Tackle heavy-duty builds with confidence using GRK RSS™ LTF Timber Frame Screws. Made from case-hardened steel, these screws deliver superior strength and pull-out resistance. The low torque drive supports smooth installation for easy handling, while the corrosion-resistant black coating offers long-lasting durability. These reliable black screws feature smaller shank diameters and sharp threads and points that easily bite into materials to reduce splitting.

An excellent choice for both professional and demanding DIY projects, RSS™ Screws are made from specially hardened steel with a premium black oxide coating for robust applications. Each 3/8-in x 16-in screw is designed for superior torque control, reducing cam-out and enhancing driving efficiency. The durable construction and rust-resistant finish make these RSS™ screws ideal for both indoor and outdoor use, providing superior holding power without the need for pre-drilling.

Tackle heavy-duty builds with confidence using GRK RSS™ LTF Timber Frame Screws. Made from case-hardened steel, these screws deliver superior strength and pull-out resistance. The low torque drive supports smooth installation for easy handling, while the corrosion-resistant black coating offers long-lasting durability. These reliable black screws feature smaller shank diameters and sharp threads and points that easily bite into materials to reduce splitting..

This black RSS screw is made of hardened steel for high mechanical strength under both shear and torque. Its aggressive threads bite quickly into wood—even hardwoods—while the sharp tip minimizes splitting. A top choice for clean, secure assemblies, it’s suited to both pros and experienced DIYers tackling projects from structural framing to finish-level details.

Made of tempered steel, this RSS screw offers excellent mechanical hold under tension and shear. Its sharp tip penetrates dense wood with ease, helping reduce the risk of splitting. The deep threads lock in right from the first turn, making it reliable for both structural and finish-level work. Suitable for job sites and home renovations alike, it performs just as well indoors as it does outdoors.

Built from specially hardened steel, this GRK RSS screw offers outstanding resistance to high mechanical stress. Its aggressive threads and self-drilling point make it easy to install directly into hardwood without pre-drilling. A durable and high-performance solution for solid wood construction, whether indoors or exposed to the elements.

Crafted from specially hardened steel, this GRK RSS screw offers superior strength under tension, torque, and shear. Its self-drilling tip and precision-cut threads ensure smooth, clean entry into hardwood—no pilot hole required—while minimizing the risk of splitting. A dependable choice for solid, long-lasting assemblies both indoors and out.

Crafted from hardened steel, this RSS screw is engineered to handle heavy mechanical loads, including pull-out, torque, and shear. Its self-drilling tip and fine threads allow for fast, clean penetration into wood—no pilot hole needed, no cracking. Durable and adaptable, it's a go-to choice for structural builds, indoors or out.

Designed for demanding structural work, this GRK RSS screw is made from hardened steel to withstand intense mechanical forces. Its self-drilling tip and sharp threads ensure quick, easy installation—even into tough materials—while reducing the risk of splitting. Perfect for residential and outdoor structural projects that require strength and reliability.

Made from hardened steel, this RSS screw stands up to extreme mechanical stress, including torque, pull-out, and shear. Its smart design drives efficiently into hardwood without pre-drilling, reducing the risk of splitting. A technical and durable solution for long-lasting wood structures, indoors or out.

Built from hardened steel, this GRK RSS screw ensures high resistance to pull-out, twisting, and shear. The self-drilling tip and precision-cut threads provide clean, efficient driving into wood without the need for pre-drilling. It’s a dependable choice for outdoor construction and demanding residential assemblies.

Forged from high-strength hardened steel, this GRK RSS screw delivers superior resistance to mechanical stress, including shear, torque, and pull-out. Its aggressive thread design and sharp point enable fast, pilot-free driving—even into dense hardwood—without risk of splitting. Tough and dependable, it’s perfect for structural work, indoors or outdoors.

Combining strength and performance, this GRK RSS screw is crafted from hardened steel for superior resistance to pull-out, torque, and shear. Its specialized design ensures fast installation without pre-drilling, thanks to its self-drilling point and sharp thread pattern. A reliable option for both outdoor construction and demanding residential projects.

This hardened steel GRK RSS screw is built to withstand high mechanical stress, including torque, pull-out, and shear. Its aggressive thread design and self-drilling tip allow for quick penetration into all types of wood—including hardwoods—without cracking or splitting. Ideal for long-lasting structural assemblies, indoors or outdoors.

Made from premium hardened steel, this GRK RSS screw delivers enhanced resistance to shear, pull-out, and torque. The sharp thread and self-drilling tip ensure fast, effortless insertion—even into dense woods—without requiring pre-drilling. It’s an excellent choice for structural framing, decks, or demanding residential builds.

Crafted from specially hardened steel, this GRK RSS screw delivers outstanding resistance to torque, pull-out, and shear forces. Its self-drilling tip and sharp threads drive smoothly into wood—even dense hardwoods—without the need for pre-drilling. Ideal for tough builds, it offers a reliable, long-lasting solution for structural projects, whether indoors or out.

Designed for structural projects requiring both reliability and discretion, these black RSS screws share the same mechanical features as the gold model. Their hardened steel composition ensures high resistance to torque, tensile, and shear stress. The sharp tip and deep threads allow for fast anchoring without pre-drilling, even in hardwoods. The black finish makes them ideal for visible architectural applications.

These black RSS screws offer the same performance as the gold version for structural projects. Made of specially hardened steel, they provide excellent resistance to torque, tension, and shear. Their sharp tip and aggressive threads ensure quick penetration without pre-drilling, even into dense wood. The black finish blends discreetly into architectural builds while delivering the strength expected of RSS-type fasteners.

These black RSS screws are designed to deliver the same performance as gold RSS screws in structural assemblies. Made of specially hardened steel, they offer high resistance to torque, tension, and shear. Their sharp tip and aggressive threads enable fast starts without pre-drilling, even in hardwood. The black finish integrates discreetly into architectural applications while offering the strength expected from an RSS-type screw.

RSS structural screws, crafted from hardened steel for added durability, perfectly resist tensile, torque, and shear forces. Ideal for hardwood and tough materials, they penetrate easily with sharp points and threads, reducing the risk of cracking.

Designed for demanding materials, RSS structural screws in specially hardened steel deliver unmatched strength in tensile, torque, and shear. They drive easily into hardwood and other tough materials, while their sharp points and threads minimize cracking during installation.

RSS structural screws are crafted from hardened steel, granting them high resistance to tensile, torque, and shear forces. Their design allows easy insertion into sturdy materials, including hardwood. The sharp points and threads effectively minimize cracking.

Specially developed for demanding concrete or masonry fastening, these screws include a patented thread that optimizes penetration into tough substrates. Resistant to pull-out, they require pre-drilling but ensure superior hold. The countersunk head promotes a discreet finish for wood-to-concrete connections. For fast and complete installation, the set comes with a drill bit and a matching driver bit.

These concrete screws are engineered to deliver strong anchoring in rigid materials like masonry. Their patented thread enhances penetration while reducing stripping risks. Ideal for structural work, they require pre-drilling but ensure a powerful and lasting hold. The countersunk head allows for a flush fit, and the set includes a drill bit and a matching driver bit to ease installation.

Ideal for durable fastening in concrete or masonry, these screws feature a patented thread designed for easy penetration into hard materials while limiting stripping. Specially suited for structural applications, they require pre-drilling but offer excellent holding power once in place. Their countersunk head allows for a clean finish in wood-to-concrete assemblies. A drill bit and compatible driver bit are included in the box.

Designed for secure anchoring in concrete or masonry, these screws feature a patented thread that enables efficient penetration into hard materials while minimizing the risk of stripping. Built to meet structural requirements, they require pre-drilling but provide optimal stability once installed. The countersunk head ensures a flush finish, ideal for wood-to-concrete assemblies. The set includes a drill bit and a compatible driver bit for complete installation.

Ideal for structures requiring solid, lasting anchoring, this RSS screw is a smart substitute for conventional lag bolts. Its hardened steel construction ensures strong mechanical resistance. The sharp tip and aggressive threading allow for precise driving even in dense wood, reducing the risk of cracks. With no need for pre-drilling, it speeds up intensive work and simplifies installation.

Designed for structural assemblies where strength is critical, this RSS screw is a reliable solution to replace traditional lag bolts. Its hardened steel shaft handles heavy mechanical stress, while the biting point reduces splitting during installation. Suitable for hardwood, it enables deep fastening without pre-drilling, improving efficiency on site.

Built to meet the needs of long structural fastening, this RSS screw combines strength and ease of use. Made from hardened steel, it withstands high tensile and shear loads under tough conditions. Its sharp tip and dual thread ensure quick, clean penetration into hardwoods without cracking. It offers lasting stability without requiring pre-drilling.