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 are designed with an aggressive thread for holding and withdrawal strength. Stripper bolt material: 4137 33~38 HRC, strength class 10.9.) From the table at right, for a strength class of 10.9 and a maximum allowable load of 200 kgf, the suitable bolt is a 318[kgf]M8. No more sledge hammers or damaged wood. TimberLOK replaces 3/8" lag screws and is approved for use in ACQ pressure treated lumber. SDS screws are limited to interior-dry use only. 3.1.3. 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. h�bbd```b``��]`2D2n���A$��c&�@$o"XDr����"Z`�fY� $3���.a �%Dq�m �3l���/���t�>�,#���L? Dimensions, Strength: Timberlok screws all share a shaft diameter of 0.189" and minor/major thread diameter of 0.172/0.260. >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. ... TimberLok Truss Screws - 2-1/2" - Bucket of 500. $149.97 . Driver bit included in every box. Structural screws are so thin and sharp that you can skip any predrilling and get right to driving. �X�kv��+���udK��K����f�텷G8h.d� �IL���/�,�6�"=rsU�\ i���X'U�T1�mZ 5���g��B���t$؄ �+x��uU��ƃ�\�9�/g�;��\O�H��f����'�������q%�R�^7�.L���� endstream endobj 47 0 obj <. 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. Number of Screws per Stud Allowable Shear Load (lb.) The do-it-all fastener with 3,000 lb of shear strength that will install 10 times faster than lags and doesn't require pre-drilling. Hardened, high-quality, heat-treated steel means virtually no chance of shear-offs. There is no need to predrill with TimberLOK. The strength and stability of any structure depend heav-ily on the fastenings that hold its parts together. 14 x 8 TimberLOK® Heavy Duty Wood Screw (250) . A uniquely tapered head countersinks easily into wood for a sharp flush appear Home centers carry the most commonly used structural screw styles and sizes, but usually only one brand. There exists an often quoted myth, that Grade 5 bolts are better in shear than Grade 8 since they will bend before breaking. > Using the right number and pattern of screws will achieve the same thing. Typically, the shear being transferred between these plies can only be accomplished through the use of excessive nail patterns. TimberLOK Design Loads for Truss to Top Plate Connections wood species SPF/HF Douglas Fir Southern Pine load type Uplift Lateral/ Shear Uplift Lateral/ Shear Uplift Lateral/ Shear allowable load 420 320 540 380 620 410 • TimberLOK values above are based on ICC-ES Report #1078 and independently verified through testing to ASTM D-1761. 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 while washer head allows zero gap joints TimberLOK® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws. Stronger design shear value than 3/8" lag screws Heat treated steel for increased strength Head style countersinks itself on installation Sharp point & aggressive thread penetrates wood without pre-drilling Guaranteed corrosion resistance - ACQ approved Will not rust or streak for life of project Minimum spacing requirements are listed in ICC-ES ESR-2236. CE … allowable screw tension strength, calculated from the allowable stress values given in Tables 1A, 1B, 1C and 1D. Crafted from 1022 Carbon Steel Grade with a corrosion resistant coating, Headlok screws will help you save time and money on projects such as deck frames, cabinetry, fences, and more. TIMBERLOK HEAVY-DUTY WOOD SCREWS. Withdrawal, also … Screw plug strength Nails and screws are intended to resist two types of loads: shear and withdrawal. The sharp point and aggressive thread angle penetrate the densest woods without pre-drilling. One prime advantage of wood as a structural material is the ease with which wood structural parts can be joined together with a wide variety of fastenings—nails, spikes, screws… TimberLOK® screws are ACQ approved. Design Strength Properties Design Shear Strength Approx. LedgerLok External Hex Drive, Hex Head Ledger Board Wood Screw Fasteners (50-Pack) Save time, money and labor costs, LedgerLok Save time, money and labor costs, LedgerLok is the first fastener engineered to attached deck ledger boards to the rim board of the house with no pre-drilling. In other words, if a lag bolt useful for your application costs 50 cents, a similar structural screw would cost anywhere between a dollar and a dollar-and-a-half. HeadLok Heavy Duty Wood Screws - Bucket of 250. $114.99 . The head on the HeadLOK grips the bit so tight, it takes very little driving force – especially with an impact driver ( CLICK HERE for more info on impact drivers). No need to predrill and hand-ratchet in 1/2 in. TimberLOK® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws. * #8 deck screw in SYP Design Withdrawal Strength Approx 100 lbs. Timberlok will countersink into the beam; draws down warped beams; is removable; has 2" of thread with 1/4" major dia. A uniquely tapered head countersinks easily into wood for a sharp flush appearance. 3000lbs of shear strength and highly corrosion resistant finish make Timberlok ideal for all heavy timber to timber fixing inside and out. Not true. UK-DoP-h10/0017 FEATURES Material 3/8” Lag Screw Replacement. %PDF-1.6 %���� Introducing the Strong-Drive SDWS Timber SS heavy-duty structural fastener in severe corrosion–resistant Type 316 stainless steel. The increased strength of the TimberLOK fastener, as shown in Table C, allows for greater connection strength with significantly less fasteners. SDW - STRUCTURAL WOOD SCREW The Strong-Drive® SDW screw is a 8.0mm diameter, high-strength structural wood screw specifically designed for fastening multi-ply wood members together such as plated trusses, engineered timber products and solid-sawn timber. Ledger Nominal Size (in.) U-g endstream endobj startxref 0 %%EOF 85 0 obj <>stream Timberlok screws - An amazing American innovation, this hexagon headed fastener will power drive through heavy wooden beams in seconds with no pre-drilling. Shear strength of alloy steel is approximately 60% of its ultimate tensile strength. Assigned specific gravity TimberLok Truss Screws - … You need a larger screw to give the same strength, generally per inch of thread embedded * Design Head Pull-Through Strength Approx 100 lbs. RSS Rugged Structural Screw is an easy to install lag alternative. TimberLOK® screws come with a proprietary three-step Xylan® coating process that protects against corrosion, even in pressure treated wood. The unique design gives the Headlok screws a higher shear strength than regular 3/8 inch lag screws, eliminating the need to pre-drill, and featuring a non-countersinking head. Head pull through strength of TimberLOK® fasteners for use as an alternative to toe-nail connections, per inch of wood under head Takes into account fastener and wood interaction 5. 46 0 obj <> endobj 69 0 obj <>/Encrypt 47 0 R/Filter/FlateDecode/ID[<3E8880F43F8E15F36E7A1DB8BFDD1CD1>]/Index[46 40]/Info 45 0 R/Length 115/Prev 274054/Root 48 0 R/Size 86/Type/XRef/W[1 3 1]>>stream Its heavy-duty 0.276"-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 … 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. 3-5/8 in. The Strong-Drive® SDW screw is a 8.0mm diameter, high-strength structural wood screw specifically designed for fastening multi-ply wood members together such as plated trusses, engineered timber products and solid-sawn timber. Download FastenMaster TimberLOK® Technical Data, Subscribe to be the first to hear about our amazing offers, 14 x 8 TimberLOK® Heavy Duty Wood Screw (250), 14 x 2 1/2 Hex Head TimberLOK® Xylan (12), 14 x 2 1/2 Hex Head TimberLOK® Xylan (50), 14 x 2 1/2 Hex Head TimberLOK® Xylan (500), 14 x 4 TimberLOK® Heavy Duty Wood Screw (12). 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. RSS Rugged Structural Screw. Besides that, if you like to shop at a hardware store rather than order your hardware, most stores have a much better selection of lag bolts than they have of structural screws. Length (in.) HeadLOK screws zip right into the wood thanks to a sharp gimlet point that makes installation fast. End screws shall be located 6" from the end and at 1 1/2" to 2" from the bottom of the ledger. Therefore we select a 10 mm MSB10 with a M8 thread section. 150 lbs. 1/4 in. 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 sharp point and aggressive thread angle penetrate the densest woods without pre-drilling. CE marked to EN14592. galvanized lags and washers. Specified minimum bending yield strength, allowable tensile strength, and allowable shear strength of the fasteners are listed in Tables 1A, 1B, 1C, and 1D. The 5/16s is a hair thicker(and stronger) than the Timberlok spec; the 3/8s is quite noticeably so. Stronger design shear value than 3/8" lag screws Heat treated steel for increased strength Head style countersinks itself on installation Sharp point & aggressive thread penetrates wood without pre-drilling Guaranteed corrosion resistance - ACQ approved Will not rust or streak for life of project FastenMaster TimberLok has stronger design shear values than 3/8" lags and has nationally recognized testing and code approvals. 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. 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, Used in landscaping, fencing, playground equipment, renovation and building projects. … 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. How ledgerlok screws are better than lag screws #These fasteners are faster, durable and easy-to-be-installed than 1/2″ lag screws #They require no pre-drilling unlike lag screws #These rivets feature stronger design shear values #They are IBC/IRC code compliant #They feature built-in washer head unlike lag screws, which require additional washer TIMBERLOK HEAVY-DUTY WOOD SCREWS. Shear is the force that wants to slide the pieces being joined. 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