Timberlok Screw Shear StrengthThese timberloc screws are fantastic! Built a retaining wall using 6x6s and I put one of these 10" screws every 2-3 ft. TimberLOK Deck Screw (50-Pack), #14 x 10 in. The main problem with the proposal, IF this is meant to be a true load supporting Ridge Beam, is the splice. LedgerLOK’s built-in washer head eliminates the need for an additional washer, saving time and money. Combined with the black coating on the fastener, HeadLOK provides a great finished look. In most cases, the TimberLOK. SDWS Timber Screw (Exterior Grade) — Allowable Shear Loads — Spruce-Pine-Fir and Hem-Fir Lumber All applications are based on full penetration into the main member. Shear strength is typically estimated to be 60 percent of tensile strength. GUARANTEED CORROSION RESISTANCE. Maximum stress and moment for such a bolt can be calculated from equations or from tables. 2 CTX screws are manufactured using a standard cold-formed process followed by a heat-treating process. FastenMaster TimberLok Heavy Duty Wood Screws replace 3/8" lag screws and helps enable you to complete wood-to-wood projects faster, easier, and stronger. 85 for connections with more than seven screws. than the nominal diameter, and the strength of the screw (yield) is. Sharp gimlet point for fast installation into wood and OSB. Pull Out Strength, (Spruce) Avg. just use their deck screws. Code: SCM399 Timberlok screws - An amazing American innovation, this hexagon headed fastener will power drive through heavy wooden beams in seconds with no pre-drilling. Screws are self-drilling. The unique design gives the HeadLOK screws a higher shear. However, even a twin or triple set of 2x12 may not be strong enough depending on the snow load. 3 Bending yield strength in accordance with. HeadLOK offers higher design shear than 3/8-in lag screws and no predrilling is needed. Structural wood screws are made from high-strength steel and have a special coating that helps them resist rust and corrosion. 2 1/2". These timberloc screws are fantastic! Built a retaining wall using 6x6s and I put one of these 10" screws every 2-3 ft. 5-inch size is also sold in a 500-piece bucket. DIA, Wood-Wood, Metal-Wood, PULLOUT. 8mm A design yield moment (My,d) of 11300 Nmm Load-duration modification factors of 1. Just enter your brand of decking material and color you're working with and we'll provide you with the right FastenMaster products that perfectly match your needs. 8" lag screws” refers to the comparison of TimberLok design values in ICC-ES Report #1078 and 3⁄ 8" lag screws as published in the current NDS. Stronger than 10mm Coach Screws. Torsional shear stress in screw = 16*Torsional moment on screw/ (pi* (Core diameter of screw^3)) Go Direct Compressive Stress in Screw Compressive stress in screw = (Axial load on screw*4)/ (pi*Core diameter of screw^2) Go Axial Load on Screw given Direct Compressive Stress. The coating on this fastener has been tested in . TimberLOK is a heavy duty wood screw for applications such as landscape timbers, fences, decks, headers, stair stringers and more. Lengths such as for attaching rafter or trusses to top plate, landscape timbers, fences, decks,. For example, wind pushing against a tree is a shear force. Sharp point and aggressive thread penetrate the densest woods without predrilling. We're Here 1-888-824-5316 We Always Love to Help Details The ideal fastener for wood-to-wood applications, the HeadLOK Heavy Duty Flathead Fastener by FastenMaster. Timberlok Structural Screws Hex Head Black 65mm 50/pk. com: Customer reviews: FastenMaster FMTLOK10. Stronger design shear value. They have great tension strength, are easy to install and remove, if needed. RSS Rugged Structural Screw is an easy to install lag alternative. 10″ GRK’s RSS screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. FastenMaster TimberLok Heavy Duty Wood Screws replace 3/8" lag screws and helps enable you to complete wood-to-wood projects faster, easier, and stronger. Just enter your brand of decking material and color you’re working with and we’ll provide you with the right FastenMaster products that perfectly match your needs. They crossed the Atlantic to the UK, about 6 years ago Coach screws that can be driven with an 12/18 volt battery screwdriver / impact driver. The only “gotcha” with the Grade 8 bolt is that, being harder, it is more “notch sensitive. 64 following which interpretation of the results to infer connection properties on strength, stiffness and . Big Timber® CTX Construction Lag Screw Properties. 2 Lateral shear strength in accordance with. Fastenmaster Timberlok Screws. Use Case. 4 Tensile strength in accordance with. In general, a screw can hold 80-100 pounds. com: FastenMaster FMTLOK10. They calculated a correction factor: the estimated composite shear strength should be multiplied by a factor of 0. TimberLok Coarse Steel External Hex Drive, Hex …. lowered by the stress rizers formed by the malformation of the metal. LedgerLOK is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. Nails generally have a greater shear strength than screws, of general construction use - and their "timberlok" screw can be used. Do you predrill for TimberLOK screws? The screws are self-drilling, so there is no need to predrill. Timberlok Wood Screws, Heavy Duty ~ 4". Shear force is a force that acts on an object in a direction perpendicular to the extension of the object. by Verified Purchase Helpful? Report Review Jul 7, 2020. FIGURE 1—OLYLOG/TIMBERLOK FASTENER. The sharp point and aggressive thread angle penetrate the densest woods without pre. 189" and minor/major thread diameter of 0. Screw shear strength is the average value, and tension strength is the lowest value listed in CFSEI Tech Note (F701-12). TimberLOK on the other hand is better for attaching raptures or trusses to a different structure (think fences). For building construction, building codes come into pla. How Do I Calculate Shear Stress?. TimberLok Heavy Duty Hex Wood Screws by Fastenmaster. Coach screws that can be driven with an 12/18 volt battery screwdriver / impact driver. Structural screws meet stringent engineering standards. FastenMaster TimberLok Heavy Duty Wood Screws replace 3/8" lag screws and helps enable you to complete wood-to-wood projects faster, easier, and stronger. A: The TimberLOK is equal in shear strength to the 3/8 lag screw however it is weaker in tension (less thread and 20% lower tension per inch of thread). PDF For more information or free samples, call FastenMaster at 800. TimberLOK ® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws. (52) Double Self-Countersunk with Underhead Ribs. 65, LRFD Wind) to determine design strength or divided by the safety factor (Ω = 2. LedgerLok also has stronger design shear values than 1/2 in. The permissible lateral load-carrying capacity of TimberLok fasteners can be evaluated for any combination of wood member thickness using Annex G of BS5268-2, based on the following parameters: A screw diameter (d) of 4. Screws Wood Screws FastenMaster 10 in. Nationally recognized testing and code approvals. Wafer head eliminates need for washer and offers increased pull through strength. Dimensions, Strength: Timberlok screws all share a shaft diameter of 0. TimberLOK is approved in ACQ Pressure Treated Lumber. Apply for a Home Depot Consumer Card. 3/8” lag screw replacement No predrilling TimberLOK. It’s super-sized threads give superior holding power. This includes the length of the screw, the type of thread, the quality of the. So, make sure everything's correctly in position before you screw it up tightly. ) Bearing Area Stress Equation for Plate and Bolt or Pin. Shear strength of nails and screws is something to consider when selecting a fastener for a project. 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. For more information or free samples, call FastenMaster at …. Installs in a fraction of the time versus traditional lag bolts with fewer steps and less effort. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag screws. The allowable lateral load for a single-screw connection is the lesser of: (a) the reference lateral design value given in Tables 4A and 4B, adjusted by all applicable adjustment factors, and (b) the allowable screw shear strength,. Technical Evaluation Report TER 1304. Reference to Table 1 shows that the yield strength of a Grade 8 bolt is higher than the ultimate strength of a Grade 5 bolt. 14159265358979323846264338327950288 Variables Used. Strength and Grades of Fasteners. Are SPAX screws any good? I have not used them myself, but. Installing the screw at an angle may introduce additional bending and tension forces into the fastener if the screw head is not flat to the bearing surface. LedgerLOK screws are designed to replace lag screws and through-bolts. T-drive provides a positive stick fit allowing for one handed installation Proprietary coating meets or exceeds corrosion resistance of hot-dipped fasteners coated in accordance with ASTM A153 Compatible with pressure treated lumber Approved for structural connects per IBC 1603 Installs using standard impact gun or screw gun (200-2500 rpm). Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws, the Strong-Drive SDWS . The old standby rule about strength for fasteners is to estimate how. W-CutTM provides low installation torque which allows for fast driving and ease of install. RSS screws come in a variety of. A: The TimberLOK is equal in shear strength to the 3/8 lag screw however it is weaker in tension (less thread and 20% lower tension per inch of thread). RSS screws come in a variety of thicknesses scaling with their length; 6" are available as 5/16s or 3/8s, 8" only in 3/8s. TimberLOK ® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws. Timberlok SCREW; Pack – 250. Transverse Shear Stress in Screw = Axial load on screw/ (pi*Core diameter of screw*Thread Thickness*Number of Engaged Threads) τs = Wa/ (pi*dc*t*z) This formula uses 1 Constants, 5 Variables Constants Used pi - Archimedes' constant Value Taken As 3. 0211 square inches x 36,000 psi = 760 psi ultimate strength Fv = 0. Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. It is also approved for use in ACQ or treated lumber. TimberLOK is a heavy duty wood screw for applications such as landscape timbers, fences, decks, headers, stair stringers and more. Item Number: 1427027 Qty Total Cost: $208. Every package comes with a free bit. 4 volts or higher) zips them right in saving on battery life and additional tooling costs. 375 inches and unthreaded diameter. TimberLOK Allowable Loads per Screw by Load Direction (lb. Other strong screws include those used in concrete and masonry applications, as well as certain deck screws. Stronger design shear values than 3/8" lags. The TimberLOK screws are considered to be very strong and durable. No predrilling · Faster and easier than 3/8" lag screws · Countersinking head style · Guaranteed corrosion resistance; ACQ approved · IBC/IRC code compliant; ESR # . Zip-TipTM allows for faster penetration. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag screws. The yield strength fyb and the ultimate tensile strength fub for bolt classes 4. They crossed the Atlantic to the UK, about 6 years ago. 3 Head pull through strength of TimberLOK® fasteners for use as an alternative to toe-nail connections,. I have been happily using TimberLok screws for over ten years. Stronger design shear values than 3/8" lags. Share Improve this answer Follow. The screws are self-drilling, so there is no need to predrill. Timberlok and Ledgerlok are just some of the products that Fastenmaster produce. There is no need to predrill with. Allowable loads are shown at the wood load duration factor of C D = 1. FastenMaster TimberLok has stronger design shear values than 3/8" lags and has nationally recognized testing and code approvals. 65, LRFD Wind) to determine design strength or divided by the safety factor (Ω = 2. My calculations and assumptions for a #8 screw: Diameter with threads excluded from the shear plane = 0. • Stronger design shear values than 10mm Coach Screws • Sharp point and aggressive thread penetrate the densest woods without predrilling • Unique. TimberLOK's unique countersinking head design is perfect for your next wood-to-wood project, whether it be deck framing, fencing, or any post to beam connections. Compatible with pressure treated lumber. Where to Buy Product Info Video Documentation Related Products Where to Buy No Pre-Drilling Required Installs in a fraction of the time versus traditional bolts with fewer steps and less effort. It is available in a variety of lengths and packaging sizes. Its sharp point and aggressive threads zip right into the densest woods. Do Screws Shear easier than Nails? Let's find out!. FastenMaster TimberLok Screws to Connect Roof Trusses to Walls. Dimensions, Strength: Timberlok screws all share a shaft diameter of 0. The first number of the bolt class corresponds to the ultimate strength e. TimberLOK GABLE TRUSS CONNECTION MII-TimberLOK(GABLE) TimberLOK Allowable Loads per Screw by Load Direction (lb. TimberLok Coarse Steel External. Get TimberLOK Wood Screw, Structural, 2-1/2 Inches delivered to you in as fast as 1 hour via Instacart or choose curbside or in-store pickup. Dimensions, Strength: Timberlok screws all share a shaft diameter of 0. 4 the shear strength of the bolt may be based on the tensile stress area. Even with a 12/12 pitch some snow capacity should be allowed for. ) Nominal strength shall be multiplied by the resistance factor (Φ = 0. 2 Shear strength of TimberLOK® fasteners for use as an alternative to toe-nail connections, . 4Allowable shear strength values apply only to shearing in the unthreaded shank portion of the fastener. Stronger design shear values than 3/8" lags. 07-31-2012, 02:42 PM. Approved for structural connects per IBC 1603. What Is the Shear Strength of a Grade 8 Bolt?. TimberLOK's unique countersinking head design is perfect for your next wood-to-wood project, whether it be deck framing, fencing, or any post to beam connections. ANSI / AWC NDS: National Design Specification (NDS) for Wood Construction. Timberlok Truss & Rafter to Top Plate Structural Wood Screws. Does a Ridge Board Need to Be Continuous. Not following this requirement can void the screw's warranty. For use in wood particle-board cement fiberboard plastic sheet metal. If the joists are spaced the standard 16' apart and the deck boards are perpendicular (90 degrees) to the joists, simply multiply the number of square feet by 3. ConnexTite Structural Wood Screws. For technical assistance or questions. TimberLok fasteners are available in five lengths 63mm, 102mm, 114mm, 152mm, 203mm & 254mm Head Style Plain Shaft Outer Diameters Thread Inner Thread Thread Length 7. FastenMaster #0 x 4-in Black Ecoat Hex-Head Exterior Structural Wood Screws (50) TimberLOK is a heavy-duty wood screw available. You need a larger screw to give the same strength, generally. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag screws. There exists a standard for testing screw strength. Re: Fastenmaster Timberlok Screws. Both screws are designed to replace lag screws but they still do different jobs. Perfect for attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers, and more. I have never had one break, and shear strength is equal to a 1/2 inch galvanized bolt. Select Your Brand FEATURES INNOVATION Speed Safety Design Performance Training Center Have questions? Let's Do This Together Toll free: 1-800-518-3569 Technical Documents. Long-term permissible withdrawal strengths of TimberLok fasteners for the following wood-based materials: Wood-based material C16 Timber C24 Timber TR26 Timber All softwoods end grain The minimum pointside penetration for TimberLok fasteners acting in withdrawal should be 30mm Permissible withdrawal strength (N/mm) 14 21 24 10. 3/8” lag screw replacement No predrilling 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. They don't shear off and they don't rust outside. 20 Best Screws For Wooden Bed Frame. RSS screws come in a variety of thicknesses scaling with their length; 6" are available as 5/16s or 3/8s, 8" only in 3/8s. The materials available for our wood screws are stainless steel wood screws. SDW EWP-PLY — Allowable Shear Loads — Two-Ply 3x2 / 4x2 Parallel-Chord Trusses Loaded on Either Side. Timberlok Wood Screws, Heavy Duty ~ 4" UNIT: 1 Box; MODEL #: FMTLOK04-250; SIZE: 4" STOCK STATUS: In Stock; TIMBERLOK HEAVY-DUTY WOOD SCREWS. The PRODUCT SPECIFICATION current methods for making these connections include the use of angled connectors and multiple nails. TimberLOK Truss Screws by FastenMaster. TimberLOK is a heavy-duty wood screw available in a variety of lengths and packaging sizes. External Hex Drive, Hex Head Heavy Duty Wood …. FastenMaster's technical documentation available for download includes our ICC-ES ESR Report 1078, LOK Line Technical Evaluation Reports, Technical…. HeadLOK zips right in and is ideal for many wood-to-wood applications including deck, fences, SIPs,. Timberlok Structural Wood Screws. AISI S904: Standard Test Methods for Determining the Tensile and Shear Strength of Screws. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag screws. The specimens and tests are first described,. Chamfer under head for increased strength. FastenMaster FMTLOK04-50 TimberLOK Heavy-Duty Wood Screw, 4 Inches, 50-Count, Black 4. Here are some strength values for different types of connectors from the NDS. 3/16 in. 2 Shear strength of TimberLOK® fasteners for use as an alternative to toe-nail connections, hurricane and seismic clips/straps or nails in shear (lateral) loaded applications either parallel or perpendicular to wood grain. We have an extensive selection of Wood Screws. The SDWH Timber-Hex HDG screw is a 0. 14 x 8 TimberLOK® Heavy Duty Wood Screw (250). #0 x 2-1/2-in Black Ecoat Hex-Head Exterior Structural Wood Screws (1) Model # FMTLOK212-INDY. The 4" and 6" TimberLOK® can be used in gable and drag trusses to resist the uplift au0003 nd shear forces from wind and seismic events. It is code listed under IAPMO UES ER-192 and meets 2015 and 2018 IRC ® and IBC ® code requirements for several common wood framing applications. Our Wood Screws are available from sizes #2 thru #16. TimberLok Coarse Steel External Hex Drive, Hex Head Heavy-Duty Wood Screws (50-Pack) TimberLOK is a heavy-duty wood screw available TimberLOK is a heavy-duty wood screw available in a variety of lengths and packaging sizes. Nails generally have a greater shear strength than screws, thus the requirement in some areas are very specific as to the nails used, their size, makeup, and nailing patterns. The 5/16s is a hair thicker(and stronger) than the Timberlok spec; the 3/8s is quite noticeably so. Shear Stress Equation Single Shear. Get TimberLOK Wood Screw, Structural, 2-1/2 Inches delivered to you in as fast as 1 hour via Instacart or choose curbside or in-store pickup. Within Our Wood Screw selection we carry Deck Screws, Cabinet Screws, Exterior Wood Screws, Face Framing Screws, Hinge Screws, Pole Barn Screws and more. Where to Buy Product Info Video Documentation. The main problem with the proposal, IF this is meant to be a true load supporting Ridge Beam, is the splice. You need a larger screw to give the same strength, generally. The allowable lateral load for a single-screw connection is the lesser of: (a) the. Most glues have poor shear performance meaning the nails are carrying virtually all the load. 3 CTX screws are coated with a proprietary coating, designated as Bronze Star, which exceeds the protections provided by hot-dipped galvanized coatings conforming to. For technical assistance or questions regarding proper use of this fastener, please contact FastenMaster Technical Support at 800. TimberLOK replaces 3/8" lag screws and is. • Engineered for increased strength and performance • Strong pull down and holding power • Corrosion-resistant • Greatly reduced labor time FastenMaster Timberlok Wood Screw Installation Instructions • Use a 1/2" high torque, low. Lag Bolt Replacement 109 (132) Questions & Answers (4) Hover. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag screws. Buy FastenMaster FMTLOK06-250 TimberLOK Heavy-Duty Wood Screw, 6 Inches, 250-Count, 6", Black: Wood Screws TimberLOK's sharp. A uniquely tapered head countersinks easily into wood for a sharp flush appearance. ACQ Approved & Code Compliant Tested and supported by engineering data that conforms to the. High-strength structural screws are beginning to displace traditional lag heat-treated steel means virtually no chance of shear-offs. 3 Bending yield strength in accordance with. Lag Bolt Replacement 109 (132) Questions & Answers (4) Hover Image to Zoom share Share print Print $ 54 87 /box Pay $29. #0 x 6-in Black Ecoat Hex-Head Exterior Structural Wood Screws (150). 6Allowable shear strength values apply only to shearing in the unthreaded shank portion of the fastener. #0 x 2-1/2-in Black Ecoat Hex-Head Exterior Structural Wood Screws (1) Model # FMTLOK212-INDY. It really pulled it in tight, and with a impact driver it was easily 5 times faster and easier than using stakes. LedgerLOK is a code-compliant structural wood screw engineered to fasten a deck ledger board to the rim joist of a house with no predrilling. 082" Area in shear plane = pi x radius ^ 2 = 0. Buy FastenMaster FMTLOK10-12 TimberLOK Heavy-Duty Wood Screw, 10 Hex Head Structural Screw - 5/8" Wide Flange Head with coarse. Our collection ranges from 100mm, 150mm, 200mm and 300mm in . For use in applications such as attaching rafter or trusses to top plate, landscape timbers, fences, decks, headers, stair stringers, and more. TimberLOK is a heavy-duty wood screw. TABLE 1B—FASTENER SPECIFICATIONS: . Timberlok railway sleeper screws from Railwaysleepers. FastenMaster TimberLok Hex Countersunk Structural Timber Screws 6. 8" lag screws” refers to the comparison of TimberLok design values in ICC-ES Report #1078 and 3⁄ 8" lag screws as published in the current NDS. For this reason, we would not recommend that these be swapped for lag screws in this application. For instance, the bending yield strength of a bolt with diameter. What are the strongest screws? Some of the strongest screws are lag screws, which are used to secure heavy lumber and other materials to wood. TimberLOK is a heavy duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences,. Model # FMTLOK08-12C Store SKU # 1000684307. Lengths such as for attaching rafter or trusses to top plate, landscape timbers, fences, decks, headers. HeadLOK offers higher design shear than 3/8-in lag screws and no predrilling is needed. It really pulled it in tight, and with a impact driver it was easily 5 times. No predrilling Faster and easier than 3/8 in. 6 HAS BEEN APPLIED TO THESE VALUES PER NDS TABLE 2. TimberLOK's unique countersinking head design is perfect for your next wood-to-wood project, whether it be deck framing, fencing, or any post to beam connections. • Engineered for increased strength and performance • Strong pull down and holding power • Corrosion-resistant • Greatly reduced labor time FastenMaster Timberlok Wood Screw Installation Instructions • Use a 1/2" high torque, low RPM drill. So in your example, three screws each with 1,000 lb. TimberLOK ® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws. PDF Technical Evaluation Report TER 1306. 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. FMW Fasteners offers TimberLOK heavy-duty wood screws in 2. Higher values for screw strength (Pss, Pts), may be obtained by specifying screws from a specific manufacturer. Shear stress is calculated by dividing the force exerted on an object by that object’s cross-sectional area. Guaranteed Corrosion Resistance. They just zip right in!The do-it-all fastener with 3000 lb of shear strength that will install 10 times faster than lags and doesn't require pre-drilling. Select One of Our Sites Loads for 14" diameter. The post base mount for railings are. 95 Add to Cart 14 x 8 TimberLOK® Heavy Duty Wood Screw (250). Details FastenMaster TimberLok Wood Screws Stronger design shear values than 3/8" lags. 20 Best Screws For Wooden Bed Frame. TimberLOK GABLE TRUSS CONNECTION MII-TimberLOK(GABLE) TimberLOK Allowable Loads per Screw by Load Direction (lb. for increased head penetration resistance mINImUm DIStANCeS For SCreWS SUBJeCteD to SHeAr StreSSeS 9. What diameter is a TimberLOK screw? A TimberLOK screw has a diameter of three-eighths of an inch. Table of design properties for metric steel bolts M5 to …. AISI S904: Standard Test Methods for Determining the Tensile and Shear Strength of Screws. Minimum screw spacing shall be 4" o. 3000lbs of shear strength and highly corrosion resistant finish make Timberlok ideal for all heavy timber to timber fixing inside and out. TimberLOK is a heavy duty wood screw for applications such as landscape timbers, fences, decks, headers, stair stringers and more. Table of design properties for metric steel bolts M5 to M39. Spider Drive offers highest level of bit engagement and drivability. Structural Deck Screw, 3/8 in. 2 Wood Species Load Type Allowable Load Uplift Uplift Uplift Lateral/Shear Lateral/Shear Lateral/Shear. End screws shall be located 6" from the end and at 1 1/2" to 2" from the bottom of the ledger. FastenMaster Common Questions. What are the strongest screws? Some of the strongest screws are lag screws, which are used to secure heavy lumber and other materials to wood. Star Drive Bugle Head R4 Multi-Purpose Wood Screw – Pack of 240. 2 Lateral shear strength in accordance with. Most glues have poor shear performance meaning the nails are carrying virtually all the load. Contactless delivery and your first delivery or pickup order is free! Start shopping online now with Instacart to get your favorite products on-demand. Reference to Table 1 shows that the yield strength of a Grade 8 bolt is higher than the ultimate strength of a Grade 5 bolt. The fastener has also been tested and. 6 HAS Wood Species Load Type Allowable Load Uplift Uplift Uplift Lateral/Shear Lateral/Shear Lateral/Shear 420 320 370 540 385 425 620 410 450 Parallel to Wall Perpendicular to Wall Parallel to Wall Perpendicular. • Engineered for increased strength and performance • Strong pull down and holding power • Corrosion-resistant • Greatly reduced labor time FastenMaster Timberlok Wood Screw Installation Instructions • Use a 1/2" high torque, low RPM drill. Lag bolts, on the other hand, have a hexagonal head that requires socket wrench for fastening. Stronger than 10mm Coach Screws. According to EN1993-1-8 Table 3. Design for Uplift Using TimberLOK® Screws to Connect Drag Strut. PDF Technical Evaluation Report TER 1304. speaking, because the root diameter if the screw is significantly less. #0 x 6-in Black Ecoat Hex-Head Exterior Structural Wood Screws (150) Model # FMTLOK06-150. FastenMaster requires two screws to be used to attach the deck board at every joist. External Hex Drive Hex Head Heavy Duty Wood Screw. Shear force results in shear stres. Unique tapered head countersinks easily into wood for flush appearance. FastenMaster TimberLok 8 in. Screw Shear (Pss), tension (Pts), diameter, and head diameter are from CFSEI Tech Note (F701-12). Structural screws; Timberlok and GRK RSS compared. In the AISI TS-4-02 and AISI TS-5-02, the standard test methods for determining the tensile and shear strength of screws. 22 Fu (coeficient used for bolts according to manual for steel construction - AISC 9th edition). = F/( π r 2) or Shear Stress ave. FastenMaster FMTLOK04-50 TimberLOK Heavy-Duty Wood Screw, 4 Inches, 50-Count, Black 4. HeadLOK and LedgerLOK Screws. Would love to hear anyone's thoughts on the matter. Combined with the black coating on the fastener, HeadLOK provides a great finished look. TimberLok is guaranteed not to rust or streak for the life of the project. LedgerLOK is better for attaching heavy decks to wooden house structures. For instructions a nd additional The 4", 6" and 8" TimberLOK® can be used in shear wall or portal frame construction to resist the shear forces exerted on the top technical information, consult the Truss and Rafter to Top Plate Technical Evaluation Report, TER No. Buy from our range of TimberLok heavy duty hex wood screws & fasteners by FastenMaster today. FPHSD (#10) Screw — (Sheet-Steel Sheathing to CFS) Nominal Shear Strength (Rn) for Wind (W) and Seismic (S) for Shearwalls 1 (lb. Re: Fastenmaster Timberlok Screws. The sharp point and aggressive thread angle penetrate the densest woods without pre-drilling. Installs in a fraction of the time versus traditional lag bolts with fewer steps and less effort. For instructions a nd additional The 4", 6" and 8" TimberLOK® can be used in shear wall or portal frame construction to resist the shear forces exerted on the top technical information, consult the Truss and Rafter to Top Plate Technical Evaluation Report, TER No. 276"-diameter hot-dip galvanized screw suitable for heavy-duty marine and coastal applications. The post base mount for railings are designed to resist tension loads. FastenMaster Fmtlok10-250 10 in. FMW Fasteners offers TimberLOK heavy-duty wood screws in 2. Is a screw with a large washer style head, really necessary? The tensile/ shear strength of the two are similar, but the TimberLok are . TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized . Definition of bolt classes 4. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks. A free bit is included in each package. They are made of high quality materials and are designed to provide a long lasting hold. FastenMaster TimberLOK 3/16 in. Its triple-coating makes it corrosion resistant and perfect to use with pressure treated lumber. • Stronger design shear values than 10mm Coach Screws • Sharp point and aggressive thread penetrate the densest woods without predrilling • Unique tapered head countersinks easily into wood for flush appearance. 87 after $25 OFF your total qualifying purchase upon opening a new card. TimberLOK Wood Screw, Structural, 2. As such, structural screws are much easier to use. Timberlok Wood Screws - Heavy Duty ~ 6" UNIT: 1 Box; MODEL #: FMTLOK06-250; SIZE: 6" MSRP: $ 159. Structural Deck Screw, 3/8 in. Log Hog Screws Log Hog Screws are similar to the Oly Log Screws , however with a larger 15/64" shank and 5/16" hex headas well as 3" of threaded tip hdw0012-hog Ultimate Tensile. Choose From Various Size and Packaging Options. FlatLOK delivers strong, code-compliant connections for multi-ply LVL, girder trusses, and multi-ply lumber beams. They screw in with a high torque gun, no predrilling needed, and the company (fastenmaster. Long-term permissible withdrawal strengths of TimberLok fasteners for the following wood-based materials: Wood-based material C16 Timber C24 Timber TR26 Timber All softwoods end grain The minimum pointside penetration for TimberLok fasteners acting in withdrawal should be 30mm Permissible withdrawal strength (N/mm) 14 21 24 10. These include but are not limited to attaching rafter or trusses to top plate, landscape timbers, fences, decks, headers and stair stringers. RSS Rugged Structural Screw. ACQ Approved & Code Compliant Tested and supported by engineering data that conforms to the most current ICC standards. HeadLOK zips right in and is ideal for many wood-to-wood applications including deck, fences, SIPs, kitchen cabinets and more. 5-inch, 4-inch, 6-inch, 8-inch and 10-inch lengths. GRK Fasteners 100133 #10 x 2-1/2 in. A: The TimberLOK is equal in shear strength to the 3/8 lag screw however it is weaker in tension (less thread and 20% lower tension per inch of thread). ESR #1078 Head stamped for easy code inspection. The Grade 5 bolt will therefore always fail first whether in tension or shear. • Countersink the Timberlok a minimum of 1/4". The American Iron and Steel Institute’s Cold-Formed Steel Design Manual (AISI, 2002) gives test methods for determining the strength of a screw connection. 8" lag screws" refers to the comparison of TimberLok design values in ICC-ES Report #1078 and 3⁄ 8" lag screws as published in the current NDS. TimberLok Home About Us No Predrilling. ) Nominal strength shall be multiplied by the resistance factor (Φ = 0. allowable screw tension strength, calculated from the allowable stress values given in Tables 1A, 1B, 1C and 1D. To allow for settling, sink head of screw a minimum of 1/4″ below surface. Several factors can impact on the amount of weight the screw can hold. Approved for single-sided installation. Installs using standard impact gun or screw gun (200-2500 rpm). 14 x 8 TimberLOK® Heavy Duty Wood Screw (250). An an excellent nail to use for . Proprietary coating meets or exceeds corrosion resistance of hot-dipped fasteners coated in accordance with ASTM A153. Doubling/sistering up 2x header. The 5/16s is a hair thicker (and stronger) than the Timberlok spec; the 3/8s is quite noticeably so. Shear Stress Average = Applied Force / Area or Shear Stress ave. Full penetration is the screw length minus the side member thickness. You'll also find that most construction screws have high shear strength to allow for smooth joining of both soft and hard surfaces. Are Deck Screws Strong? Wood Screws vs. FPHSD (#10) Screw — (Sheet-Steel Sheathing to CFS) Nominal Shear Strength (Rn) for Wind (W) and Seismic (S) for Shearwalls 1 (lb. Because they are quite thick, they require a pilot hole to be pre-drilled. FastenMaster TIMBERLOK 6 In. The FastenMaster TimberLOK replaces 3/8 inch lag screws and enables you to complete wood-to-wood projects faster, easier and stronger. com) claims they have stronger shear values than 1/2" lags because they are hardened. Splices are permitted but only when directly over a support like a post. They small diameter makes me question using them as a replacement, despite the numbers. Perfect for attaching rafter or. (info supplied by the manufacturer) Average ultimate single. TimberLOK is a heavy duty wood screw available in a variety of lengths and packaging sizes. A sharp point and aggressive thread. TimberLOK Lag Screws at Lowes. for pricing and availability. 8" lag screws” refers to the comparison of TimberLok design values in ICC-ES Report #1078 and 3⁄ 8" lag screws as published in the current NDS. Which long screws are really necessary?. LedgerLOK Flat Head is 1/2" lag bolt replacement fastener that combines the single step installation of LedgerLOK with an attractive flat head design featuring TORX ttap. = 4F/( π d 2) Where: Shear Stress ave = ( N/mm 2, lbs/in 2) F = Applied Force (N, Lbs) π = pi or (3. They come in a variety of lengths, suitable for many applications. Introducing the Strong-Drive SDWS Timber SS heavy-duty structural fastener in severe corrosion–resistant Type 316 stainless steel. The Fasten Master TimberLok 14 x 6 inch Coarse Steel Hex-Head Heavy-Duty Wood Screws feature countersinking heads that are ideal for various wood-to-wood projects including deck framing, fencing and post-to-beam connections. Install using a low speed clutch drill with T20* bit (not included). It is a code-approved deck ledger board fastener that replaces lag screws and through-bolts. shear strength will have a combined shear strength of 3,000 lbs. FastenMaster TimberLok Hex Countersunk Structural Timber Screws 6. The shear strength of a grade 8 bolt is 90,000 psi, assuming the bolt is between 1/4 inch to 1 inch. Technical Documentation – Technical Evaluation Reports. TimberLok screws are engineered for increased strength and performance. A: The TimberLOK is equal in shear strength to the 3/8 lag screw however it is weaker in tension (less thread and 20% lower tension per inch of thread). 1105-02, available and bottom wall plates to the adjacent rim. Ledgerlok fasteners instead of lag bolts. pulls the plies together tight without risk of stripping or shearing off the head. Timberlok and Ledgerlok are just some of the products that Fastenmaster produce. AUGUST 1, 2016 TimberLOK GABLE TRUSS CONNECTION MII …. T-drive provides a positive stick fit allowing for one handed installation. 7 out of 5 stars 93 Hard-to-Find Fastener 14973266608 Timber Screw Construction Fastener, 5/16" x 12", 30. ) SPF/HF Douglas Fir Southern Pine A STANDARD LOAD DURATION FACTOR OF 1. Shear stress is one of the three primary stresses present in nature, which also includes te. 276"-diameter shank, SawTooth® point and flat washer head make the SDWS Timber SS the ideal choice for use in applications such as docks, wharves, piers, boardwalks and ledgers where strength and severe-corrosion resistance are critical. All sizes in mm SCREW SPECIFICATIONS Material-coating, Tensile-Shear-Torsional strengths, Pullout figures-Resistance values DRAWING 1 T17 (25. Available packaging quantities include a 12-piece clamshell, 50-piece box and 250-piece bucket. HeadLOK Heavy Duty Fastener Product Detail Drawings HeadLOK Fastener Drawing (DWG). • Stronger design shear values than 10mm Coach Screws • Sharp point and aggressive thread penetrate the densest woods without predrilling • Unique tapered head countersinks easily into wood for flush appearance • Variety of lengths, from 2 1⁄2" to 10", to match every application. So while screwing wall or roof sheathing may supply increased pull out resistance the shear strength is a fail. Details FastenMaster TimberLok Wood Screws Stronger design shear values than 3/8" lags. allowable screw tension strength, calculated from the allowable stress values given in Tables 1A, 1B, 1C and 1D. Ultimate Shear Strength Avg. The Strong-Drive SDWS Timber Screw (Exterior Grade) is ideal for the contractor and do-it-yourselfer alike. TimberLok Home About Us No Predrilling. External Hex Drive Hex Head Heavy. The Fasten Master TimberLok 14 x 6 inch Coarse Steel Hex-Head Heavy-Duty Wood Screws feature countersinking heads that are ideal for various wood-to-wood projects including deck framing, fencing and post-to-beam connections. Free Spider Drive bit in every. 99; TIMBERLOK HEAVY-DUTY WOOD SCREWS. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag screws. TimberLOK Fasteners: Differences And Comparison. Plus the these things have more shear strength than stakes. 2 Shear strength of TimberLOK® fasteners for use as an alternative to toe-nail connections, hurricane and seismic clips/straps or nails in shear (lateral) loaded applications either parallel. The washer head should be flat to the surface. RSS™ screws that are 3-1/8” and longer have CEE Threads which enlarge the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily and increases the screw’s drawing strength. Use with larger diameter Milled log and Handcrafted logs and locations that may need additional seismic or wind engineering. • Install Timberlok perpendicular to the log. Strength of Screw Connections Subject to Shear Force. Socket Head Cap Head Cap Screws Socket Head Screws Cap Screws Socket Head Cap Screws Head Cap Screw Hex Head Hex Head Screws Socket Head Cap Screw Stainless Screws Flat Head Screws Stainless Steel Screws Machine Screws Small Machine Screws Hex Head Cap Screw Metal Screws Sheet Metal Screws Vintage Brass Screws Button Head Screws Head Bolt Wood. Engineered Wood Screws 30ct. To transfer uniform or concentrated loads applied to simply supported spans on assembly top chord: Space screws as required to transfer half the load into the supporting truss. TimberLok Heavy Duty Wood Screws. 189" and minor/major thread diameter of 0. TimberLOK's sharp point and aggressive threads penetrate the densest woods without predrilling and provide stronger shear values than 3/8 inch galvanized lag . FastenMaster TimberLok Hex Countersunk Structural Timber Screws 6. TimberLOK Deck Screw (50-Pack), #14 x 10 in. Screws Wood Screws FastenMaster 10 in. Plus, with LedgerLoks smaller shank diameter even a cordless drill (14. Aggressive thread for holding and withdrawal strength. 4 Tensile strength in accordance with. What diameter is a TimberLOK screw? A TimberLOK screw has a diameter of three-eighths of an inch. Ultimate Tensile Strength. Introducing the Strong-Drive SDWS Timber SS heavy-duty structural fastener in severe corrosion–resistant Type 316 stainless steel. After a test drive, I used washers with the timberloks, but not the RSS. Structural screws are so thin and sharp that you can skip any predrilling and get right to driving. TimberLOK is guaranteed not to rust or corrode for the life of the project. Model # FMTLOK06-50C Store SKU # 1000683766.