Screws and anchors

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 10-32 by 3/4 inch zinc plated machine screws make fastening tasks easier with their Quadrex drive that accepts both Phillips and Robertson bits. Pan head design sits flush for a clean finish while the type B point threads smoothly into pre-tapped holes. Built to ASME B18.6.3 standards so you can count on consistent fit every time.

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 1/4" x 1/2" flat thumb screws feature a vertical flat head designed for tool-free tightening and loosening by hand. The knurled edge provides secure grip for quick adjustments. Constructed from durable steel, these fasteners deliver reliable holding power in applications requiring frequent access. Ideal for jigs, fixtures, electronics enclosures, and any assembly needing regular manual adjustment.

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.

These 8-32 x 1/2" flat thumb screws feature a low-profile vertical head designed for tool-free tightening and loosening. The flat head sits flush with surfaces for a clean finish. Ideal for electronics enclosures, access panels, and fixtures requiring frequent manual adjustments.

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..

These 6-32 x 1/2" flat thumb screws feature a vertical flat head designed for hand tightening without tools. The coarse 32 TPI thread provides secure grip in standard #6 threaded holes. Machined flat head offers a low-profile finish when installed. These fasteners are suited for electronics enclosures, access panels, and equipment requiring frequent adjustments.

These flat thumb screws in 10-24 thread by 1/2 inch length make your projects easier with tool-free fastening. Simply tighten or loosen by hand whenever you need quick adjustments. The flat knurled head provides a comfortable grip for repeated use. Perfect for jigs, fixtures, electronics enclosures, or any application where you need convenient access. For multiple projects.

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.

Zinc-plated machine screw measuring 2 inches in length with 8-32 thread pitch. Flat head configuration with Quadrex drive recess. Type B point geometry. Steel construction with zinc electroplating. Manufactured in compliance with ASME B18.6.3 specifications per Industrial Fasteners Institute requirements. Packaged in quantities of 100 units per box.

This 1/4" x 2 1/2" machine screw is made from 18-8 stainless steel for corrosion resistance in demanding environments. The flat Phillips head allows flush or countersunk installation. Designed with imperial threading and a Type B point for use in pre-tapped holes. Compliant with ASME B18.6.3 standards. Suitable for securing mechanical components, electrical boxes, handles, and appliances. Pack of 2.

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.

M8 x 16 mm zinc-plated machine screw with pan head and Phillips drive. Features type B point for reliable threading into pre-tapped holes. Manufactured to ASME B18.6.3 standards for consistent quality and dimensional accuracy. Metric threading ensures compatibility with standard M8 hardware. Suitable for mechanical assemblies, electrical enclosures, and general fastening applications requiring corrosion resistance.

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.

M6 x 50 mm zinc-plated steel machine screw with pan head and Phillips drive. Metric thread with Type B point for use in pre-tapped holes. The pan head design provides excellent grip and torque during installation. Complies with ASME B18.6.3 standards. Suitable for fastening machine components, electrical boxes, handles, and appliances.

This M6 x 45 mm pan head machine screw is made from zinc-plated steel for corrosion resistance and long-lasting performance. It features a Phillips drive for secure fastening and a metric thread with Type B point for use in pre-tapped holes. Meets ASME B18.6.3 standards. Suitable for securing mechanical components, electrical boxes, handles, and appliances.

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.

M6 x 40 mm machine screws in zinc-plated steel with pan head and Phillips drive. Metric thread with Type B point for pre-tapped holes. Meets ASME B18.6.3 standards. Suitable for fastening machine components, electrical boxes, appliances, handles, and knobs in residential or commercial applications.

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.

M6 x 35 mm pan head machine screw in zinc-plated steel with Phillips drive. Designed for pre-tapped holes with metric threading and Type B point. Ideal for securing machine components, electrical boxes, handles, and appliances. Meets ASME B18.6.3 standards for reliable fastening in mechanical and electrical applications.

M6 x 30 mm pan head machine screws in zinc-plated steel, sold in a 3-pack. Designed for pre-tapped holes with metric threading and Type B point. The Phillips drive head provides reliable torque and secure fastening for electrical boxes, appliances, handles, and mechanical components. Compliant with ASME B18.6.3 standards from the Industrial Fasteners Institute.

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.

M6 x 25 mm machine screw with Phillips pan head drive in zinc-plated steel. Designed for pre-tapped holes with metric threading and Type B point. The pan head provides solid grip and consistent torque for electrical boxes, appliances, handles, and mechanical components. Meets ASME B18.6.3 standards.

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.

M6 x 16 mm zinc-plated steel machine screws with pan head and Phillips drive, sold in a pack of 3. Metric thread with Type B point for use in pre-tapped holes. Ideal for securing appliances, electrical boxes, handles, and mechanical components. Compliant with ASME B18.6.3 standards for reliable fastening in residential and commercial applications.

This M6 x 12 mm machine screw measures 12 mm in length with a 6 mm diameter thread. Constructed from zinc-plated steel, it features a pan head with Phillips drive for secure fastening and reliable torque. The metric threading and Type B point allow use in pre-tapped holes. Complies with ASME B18.6.3 standards. Suitable for mechanical assemblies, electrical boxes, handles, and appliance components.

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.

M6 x 10 mm pan head machine screws in zinc-plated steel. Designed for pre-tapped holes, these metric screws feature a Type B point and Phillips drive for secure fastening. Suitable for mechanical components, electrical boxes, handles, and knobs. Compliant with ASME B18.6.3 standards. The pan head profile provides reliable grip and consistent torque during installation.

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.

M3 x 8 mm zinc-plated machine screw with pan head and Phillips drive. Features a type B point for thread-forming in pre-tapped holes. Manufactured to ASME B18.6.3 standards for consistent thread engagement and dimensional accuracy. Metric threading suits precision assemblies in electronics, machinery, and light fixtures.