A catalog featuring connectors and fasteners for mass timber construction solutions. Canadian Factored Lateral Resistances — Strong-Drive® Screws Used for CLT Diaphragms. Screws shall be placed 1 1/2" to 2" from the top and bottom of the ledger or rim board with 3" minimum and 6" maximum between rows and spaced per the table. Structural screws meet stringent engineering standards. With over 50 years of experience and innovation, Teks Metal Fasteners delivers Pros' with optimal drilling performance and holding power. Screw size doesn’t necessarily determine strength. Catálogo que incluye información sobre productos nuevos y las instrucciones de instalación y especificaciones correspondientes para los sujetadores Simpson Strong-Tie® y los sistemas Quik Drive®. Un système de connexion complet pour la construction de terrasses. Amplify Your Craft™ Premium Quality Construction Screws & Powerlags® For the pro that puts quality first, we work for you. Find all the screws you need at prices you can't beat. Reference Lateral Design Values for NDS Geometries with Strong-Drive® Screws. RSS Rugged Structural Screw is an easy to install lag alternative. Simpson Strong-Tie evaluated the SDWC15600, SDWS22400DB, SDWS22600DB, SDWS19600 and SDWV13400 screws for use in cross-laminated timber (CLT) butt-joint and half-lap diaphragm connections. Masonry and Concrete do require pre-drilling. The metal of the hook will snap before the screw does, if it's installed correctly. Allowable loads are shown at the wood load duration factor of C … The shear strength of a deck screw depends on several factors such as: Length; Thread type; Screw quality; Insertion technique; And the force used on the screw (lateral or withdrawal forces). CE marked to EN14592. Hardened, high-quality, heat-treated steel means virtually no chance of shear-offs. 1. But in hardwoods, a drywall screw will usually fail before the wood fails. Un étui à deux faces pour le Canada présentant le matériel nécessaire pour un système de terrasse et un système d’abri de terrasse. Engineering specs: average shear strength of #9 shank is 2771 lbs, average pull-out strength 902 lbs (screw pull out is calculated with a 3" length screw in the wood species: yellow pine.) Screws, on the other hand, may not be as forgiving, but their threaded shafts hold better in wood and draw boards together much more tightly and they have greater tensile strength. The tabulated reference withdrawal design value, W, is in pounds per inch of the thread penetration into the side grain of the main member. The Strong-Drive SDWS Timber Screw (Exterior Grade) is ideal for the contractor and do-it-yourselfer alike. Capacities based on the AISI S100 Specification Sections E2.4 for Teks ® Metal Fasteners are the original self-drilling screws developed to drill, tap, and fasten metal in one motion. Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. Screws of nominal lengths too short to accomodate the minimal thread length will have threads extending as close to the underside of the head as practiceable. Strong-Tie DIY - Proyectos para una casa resistente y hermosa. For screws located at least 2" but less than 6" from the end, use 50% of the load per screw and 50% of the table spacing between the end screw and the adjacent screw, and for screws located between 2" and 4" from the end, predrill using a 5/32" drill. Copyright © 2018 Simpson Strong-Tie Company Inc. A catalog including new product information as well as any applicable specification and installation instructions for Simpson Strong-Tie® fasteners and Quik Drive® systems. Corrosion Information Guidelines for selecting the proper connector coatings and fasteners. The Strong-Drive SDW EWP-Ply screw is a high-strength structural screw specifically designed for fastening multi-ply wood members, such as engineered wood products and solid sawn lumber. A technical information addendum for Simpson Strong-Tie Fasteners in Canada. Full penetration is the screw length minus the side member thickness. Un catálogo con proyectos prácticos y atractivos DIY para el hogar y el patio que utilizan conectores y sujetadores Simpson Strong-Tie® y accesorios Outdoor Accents®. For screws having a diameter equal to or larger … This letter details the alternative MASA/MASAP installation using SDWS screws — with two legs up on a 2x4 vertical rim board or blocking over a 2x or 3x sill plate. The force on the screw is straight down, and snapping the neck of a screw is not easy. F = allowable withdrawal load or force - lb per inch of penetration (lb/in). End screws shall be located 6" from the end and at 1 1/2" to 2" from the bottom of the ledger. Product Sitemaps It is made with carbon steel and coated for … and for SPF/HF withdrawal is 121 lb./in. An educational reference guide for DIY’ers about safe deck construction. Sawn lumber rim board shall be spruce-pine-fir, hem-fir, Douglas fir–larch, or southern pine species. Now lets look at shear strength. In general, the weak link in the attachment of a fastener is the internal threads that the fastener's external threads engage. Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications, as described in the evaluation report. Ledger shall be hem-fir, Douglas fir–larch, or southern pine species. TimberLOK is a heavy duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. Material strength for threaded fasteners and headed industrial fasteners from Elgin Fasteners Group is listed below by grade, type and class and separated into 60,000 psi, 75,000 psi and 120,000 psi. © 2020 AFT Fasteners. A tearpad showing deck connections on one side and patio cover system connections on the other. Shear strength for screws is lower than solid shank nails..... the dia. For ledger-to-rim attachment with 1/2" gap, see. Fastener Production Information and Stuff & Things, Strong-Drive® SDWS TIMBER Screw (Interior Grade), Soft-Story Retrofits for Building Resiliency, Repair, Protection & Strengthening Systems, Unreinforced Masonry (URM) Building Retrofit, Cross-Laminated Timber (CLT) & Mass Timber Connector Products, Anchoring Solutions for Value-Added Manufacturing, Component Manufacturer Software Solutions, Outdoor Living: Where Great Backyards Begin, New Product Testing in a Virtual Environment, Simpson Strong-Tie Materials Demonstration Laboratory at Cal Poly, Simpson Strong-Tie Research and Testing Laboratory at WSU, Strong-Drive® SDWS TIMBER Screw (Exterior Grade), Fastening Systems Technical and Installation Notes, C-F-2019TECHSUP, pages 22–25, 45–47, 52–53, 75, 77–78, 106, 109–110 and 115–118, Load Tables, Technical Data and Installation Instructions, Contact Webmaster with questions or comments, SawTooth™ point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications, Bold thread design provides superior holding power, Underhead nibs offer greater control when seating the head, Large low-profile washer head provides maximum bearing area (0.75" head dia. All applications are based on full penetration into the main member. Fasteners for Code Compliant Deck Ledgers. Rolled thread screws: At least 4X the basic screw diameter or 2/3 the nominal screw length (whichever is greater). This indicates that glue surface area and glue penetration into the surrounding solid wood fibres is a key to joint strength. 5. Lag Screw Alternative Structural Fasteners SDS, SDWS and SDWH. 204 South 6th Avenue, Mansfield, TX 76063 | P:469.865.2800 | F:469.865.2850, Drywall Anchors - Heavy Duty Wall Anchors, Stainless Steel Fence, Deck & Patio Nails, Stainless Steel Collated T and Joist Hanger Nails, Stainless Steel Nyloc Nut - Nylon Insert Lock Nuts, Stainless Steel Structural & Heavy Hex Nuts, Stainless Steel Thumb Nuts / Knurled Nuts, Stainless Steel Security Screws and Drivers, Stainless Steel Phillips Pin Head Security Screws, Stainless Steel Socket Pin Head Security Screws, Stainless Steel Torx/Six Lobe Security Screws, Stainless Steel Half Dog Point Set Screws, Stainless Steel Button Socket Head Cap Screws, Stainless Steel Cylindrical Socket Head Cap Screws, Stainless Steel Flat Socket Head Cap Screws, Stainless Steel Low Profile Socket Head Cap Screws, Stainless Steel Countersunk Finishing Washers, Stainless Steel Internal Tooth Lock Washers, Adhesive Dispensing Equipment & Accessories, Chemicals, Lubricants, Paints & Cleaners, Surface Irregularity Testing Product Accessories, Cigarette Disposal & Cease Fire Receptacles, Chain Tong & Strap Wrench Parts & Accessories, Screwdriver & Nutdriver Parts & Accessories, Die-Cast Zinc Hinges with Elongated Holes, Refrigeration Regulators & Charging Hoses, Pneumatic Reciprocating Saw Parts & Accessories, Pneumatic Impact Wrench Parts & Accessories, Pneumatic Belt Sander Parts & Accessories, Pneumatic Die Grinder Parts & Accessories, Multi-Purpose Tools Corded Parts & Accessories, Safety Storage Cabinet Parts & Accessories, Safety Storage Container Parts & Accessories, Bloodborne Pathogen & Personal Protection, Single Serve Electrolyte Replacement Packs, Liquid Concentrate Electrolyte Replacement, Ready-to-Drink Electrolyte Replacement Drinks, Solder, Brazing, & Other Related Consumables, MIL Spec Fasteners and Aerospace Fasteners. SDW and SDWS Double-Shear Applications with Wood Side Members. Screw Fastening Systems Self-Drilling Screw Fastener Selection and Design 3.6.1 Hilti, Inc. (US) 1-800-879-8000 | www.us.hilti.com I en español 1-800-879-5000 I Hilti (Canada) Corp. 1-800-363-4458 I www.hilti.ca I Direct Fastening Technical Guide 2015 157 Thread Pitch The thickness of material being fastened and diameter of Un guide de référence à destination des bricoleurs pour construire des terrasses sûres. Internal drive screws with a slot and currently and far more commonly a Pozi® or Phillips® drive. A booklet featuring practical and attractive DIY projects for home and yard using Simpson Strong-Tie® connectors and fasteners, including Outdoor Accents®. per inch of thread embedded *  Design Head Pull-Through Strength  Approx 100 lbs. 2009/2012 IRC Compliant Spacing for a Sawn Lumber Deck Ledger to Band Joist with 100 PSF Live Load and 10 PSF Dead Load. Alternate Fasteners for Connection Details in AWC DCA6 with Strong-Drive® Screws. By clicking "I AGREE" below, you are giving your consent for us to set cookies. They are either produced with cut thread screws, which have a tapered shank, or rolled thread screws, which have a constant shank diameter. This letter includes details of fastener connections designed and analyzed for use as alternates to those included in DCA6 subject to approval by the local building department. Sole or Top Plate to Rim/Blocking using SDWS and SDWH Screw. Full penetration is the screw length minus the side member thickness. A small amount of wood fibre was still adhered to the tenon, biscuit or dowel, but for the most part the joint failed at the glue line. W-Cut TM provides low installation torque which allows for fast driving and ease of install; Zip-Tip TM allows for faster penetration; Unique thread design draws two substrates together … For utmost rigidity, strength, and service, each type of fastening requires joint designs adapted to the strength properties of wood along and across the grain and to dimensional changes that may occur with changes in moisture content. wood has occurred, resistance to fastener-head embedment into the metal causes the screw to become a shear specimen and joint behav-ior is dependent upon the shear strength of the fastener. MASA/MASAP Alternate Strong-Drive® SDWS Timber Screw Installation. Structural sheathing between the ledger and rim board shall be a maximum of 1/2" thick and fastened per code. The "shear strength", which is the amount of sideways force the screw can resist before it snaps, is high enough. For in-service moisture content greater than 19%, use C. Loads are based on installation into the side grain of the wood with the screw axis perpendicular to the face of the member. The longer the screw, the better it will hold the surfaces being joined into a unit. This high performance wood screw is not your average screw. 3.3 Wood Material: Wood main and side members must be solid-sawn lumber or boards having an assigned specific gravity as given in Tables 2, 3, 4 and 5 of this report. SDWS Timber Screws SDWS Timber Screw to Fasten Wood Structural Panel Single-Surface Splines on CLT Diaphragms. * Click on the nominal size to find products. Design Shear Strength  Approx. SG = specific gravity of oven dry wood D = diameter of screw (in) Example - Screw Withdrawal Load per inch of wood … Fasteners called wood screws are a metal screw used to clamp wood, chipboard, and MDF. (except for drywall screws, which are brittle) A flier providing features and benefits of the Strong-Drive® SDWS Timber screw. And for structural jobs, check out our structural screws department for specially fasteners that will provide high tensile, torque and shear strength.