Structural screws

These structural hex head screws are designed for strong and durable fastening in wood assemblies and framing. Made of mechanically galvanized steel, they provide excellent corrosion resistance. Their optimized threading ensures a firm grip, while the tapered tip allows for quick insertion without pre-drilling. With their hexagonal head, they ensure a simple and secure installation using a wrench or socket.

These hexagonal head structural screws are designed for strong fastening in wood assemblies and framing. Made of galvanized steel, they provide excellent corrosion resistance, making them ideal for humid and outdoor environments. Their partial threading ensures a tight fit between pieces during fastening, while the tapered tip allows for quick and precise starts. Additionally, the integrated hexagonal head provides a firm and secure grip with a wrench or socket, making installation easy and efficient for professionals and demanding DIYers.

This Outdoor Accents structural wood screw (exterior category) installs easily without requiring pre-drilling, thereby reducing installation time. When combined with the patented Outdoor Accents hex-head washer, it offers a decorative appearance similar to a bolt connection but with simplified installation. Ideal for structural applications and DIY projects, its innovative threading ensures a solid hold, while its double-barrier coating protects against corrosion. Certified by IAPMO-UES ER-192, this screw is designed for wood-to-wood connections.

The Strong-Drive SDWS wood screw (exterior category) is designed to offer a robust and easy-to-install alternative to through-bolts and traditional lag screws. Its SawTooth point ensures fast drilling without pre-drilling, while the subhead ribs allow for optimal flush seating, minimizing wood splitting. With IAPMO UES ER-192 certification, this screw provides strong corrosion resistance, supports heavy loads, and is ideal for wood-to-wood connections, joists, floor-to-floor connections, and CLT walls.

This Strong-Drive SDWS wood screw (exterior category) provides a reliable and easy-to-install alternative to through-bolts and conventional lag screws. Its SawTooth point enables fast drilling, eliminating the need for pre-drilling, while the subhead ribs ensure precise flush seating, reducing wood splitting. Certified by IAPMO UES ER-192, this screw offers excellent corrosion resistance and heavy load support, perfectly meeting the requirements for wood-to-wood connections, joists, floor-to-floor connections, and CLT walls.

The Strong-Drive SDWS wood screw (exterior category) offers a robust and easy-to-install alternative to through-bolts and conventional lag screws. The SawTooth point enables fast drilling, eliminating the need for pre-drilling, while the subhead ribs ensure a precise flush fit, reducing wood splitting. Certified by IAPMO UES ER-192, this screw guarantees optimal resistance to corrosion and heavy loads, while meeting the requirements for wood-to-wood connections, joists, floor-to-floor connections, and CLT walls.

This Strong-Drive SDWS wood screw (exterior category) provides a durable and easy-to-install alternative to through-bolts and traditional lag screws. The SawTooth point ensures fast drilling while avoiding pre-drilling, and the subhead ribs allow for a perfect flush fit, minimizing the risk of wood splitting. Thanks to its IAPMO UES ER-192 certification, this screw offers excellent corrosion resistance and supports significant loads, meeting the needs of wood-to-wood connections, joists, floor-to-floor connections, and CLT walls.

The Strong-Drive SDWS wood screw (exterior category) is a solid and easy-to-install alternative to through-bolts and traditional lag screws. Its SawTooth point enables fast drilling, eliminating the need for pre-drilling, while the subhead ribs facilitate flush seating and minimize wood splitting. With IAPMO UES ER-192 certification, this screw guarantees high corrosion resistance, supports heavy loads, and is suitable for wood-to-wood connections, joists, floor-to-floor connections, and CLT walls.

This Strong-Drive SDWS wood screw (exterior category) offers a robust and easy-to-install alternative to through-bolts and traditional lag screws. Its SawTooth point ensures fast drilling without the need for pre-drilling, while the subhead ribs provide a perfect flush fit, reducing the risk of wood splitting. Certified by IAPMO UES ER-192, this screw offers excellent corrosion resistance and supports heavy loads, meeting the requirements for wood-to-wood connections, joists, floor-to-floor connections, and CLT walls.

The SDWS wood screw (for outdoor use) is designed to offer an easy-to-install, high-strength alternative to traditional through-bolts and lag screws. Suitable for both contractors and DIYers, it is certified under IAPMO UES ER-192 and meets the requirements of the 2015 and 2018 IRC and IBC codes for common wood framing applications. These screws comply with the latest construction standards for residential or commercial projects.

This Strong-Drive SDWS wood screw (exterior category) is a high-strength and easy-to-install alternative to through-bolts and traditional lag screws. Its SawTooth point ensures fast drilling while eliminating the need for pre-drilling, and the subhead ribs allow for flush surface seating, reducing wood splitting. Certified by IAPMO UES ER-192, this screw offers excellent corrosion resistance and heavy load support, meeting the requirements for wood-to-wood connections, joists, floor-to-floor, and CLT walls.

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 SDS Heavy-Duty Connector screw is a 1/4 in. diameter high-strength structural screw ideal for various connector installations as well as wood-to-wood and engineered wood applications.

The Strong-Drive SDS Heavy-Duty Connector screw is a 1/4 in. diameter high-strength structural screw ideal for various connector installations as well as wood-to-wood and engineered wood applications.

The Strong-Drive SD Connector screw is specifically designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved for that application. The load-rated SD screw has been tested and approved for use in many popular Simpson Strong-Tie products.

The Strong-Drive SD Connector screw is specifically designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved for that application. The load-rated SD screw has been tested and approved for use in many popular Simpson Strong-Tie products.

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.

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.

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 SDWS Framing screw is designed and load-rated for replacing 16d, 10d and 8d nails in framing applications. The SDWS Framing screw is 0.160 in. in diameter and superior to nails in holding power and pull-out resistance. 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 structural and general-purpose fastening applications where a hex-head drive is preferred. The Strong-Drive SDWH Timber-Hex screw 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 structural and general-purpose fastening applications where a hex-head drive is preferred. The Strong-Drive SDWH Timber-Hex screw 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 structural and general-purpose fastening applications where a hex-head drive is preferred. The Strong-Drive SDWH Timber-Hex screw 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.

Specially hardened steel construction screw engineered for high-performance structural fastening applications. Sharp threads and points penetrate instantly into materials including hardwood while reducing splitting due to optimized shank design. Superior tensile, torque, and shear strength for professional framing, decking, and general construction projects requiring reliable structural connections.

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.

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..