lag bolt specifications

Lag bolts, Hex head, Hot dipped galvanized steel, 3/8" Lag bolt length is measured from under the head to the point of the bolt. Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength: A354 - 17e2: Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners: A394 - 08(2015) Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare: A449 - 14 original Disinfectant Spray-04650, Hydro Crunch Expanded Clay Growing Media Hydroponic 50 Liter 8 mm Aggregate Pebbles Pellets-803000. x 1/8 in. 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 … End screws shall be located 6" from the end and at 1 1/2" to 2" from the bottom of the ledger. Commonly used for decks, framing, retaining walls, and wooden playground equipment. Lag Bolts Screw These old workhorses are labor intensive but readily available. PowerLags® With just a few clicks, find the right screw for the right application, search our Screw Finder for the best multi-purpose screws, PowerLags ®, and specialty screws.. SPAX ® PowerLags® are the largest selection of code-recognized structural wood-to-wood screws for framing in the industry. Below is a chart with recommended pilot hole diameters for a given diameter of lag screw: It is important to keep in mind that there are variables that could change the required pilot hole dimensions. Powerlag Hex Drive Washer Head High Corrosion Resistant Coating Lag Screw, 3/8 in. x 6 in. x 6 in. Turf Builder Kentucky Bluegrass Mix Seed, Battery Operated Smoke and Carbon Monoxide Combination Detector with Voice Alarm and Ionization Sensor, 48 in. Need Help? The best rated lag bolts product is the 1/4 in. A full point is unnecessary since a pilot hole nearly as large as the root diameter o… Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. Products shown as available are normally stocked but inventory levels cannot be guaranteed, For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts), #10 x 3-1/8 in. The built-in washer head eliminates the need for an additional washer, saving time and money. Cap says "BDM" Made in China, so who knows for sure. There are no published specifications for the amount of torque required when turning the head of a lag screw. 15 ⁄ 64. A lag screw can have as much as a nine times greater bonding factor to wood than a regular nail. Features. Fastening a lag bolt to a masonry base is no easy task. We would like to show you a description here but the site won’t allow us. Below is a chart with recommended pilot hole diameters for a given diameter of lag screw: Nominal Diameter of Lag Bolt, inches. Lag screws have thick shafts and coarse threads to firmly grip wood boards, studs and similar pieces. Portland Bolt & Manufacturing Company, Inc. Prod. fasteners, Anchor Bolt and Construction Fastener Manufacturer, https://www.portlandbolt.com/about/team/anthony-porreco/. x 96 in. Click on a product # for additional info. Lag Screws can also be used in masonry if combined with a lag shield. 9.1 -2-Fabrication and Assembly c 9.1.2.1 Provisions relating to the clearance hole of the shank and the lead hole size for the threaded portion of the lag screw have been part of the Specifi- A lag screw subjected to … Does Portland produce a stainless steel torque washer for carriage bolts? Torx Powerlag T-Star Drive Washer Head Yellow Zinc Coated Lag Screw, 1/4 in. Add All Entered. 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. Part wood screw & part bolt—lag screws are a beast of their own. Unless otherwise specified, nonstandard lag screws manufactured by Portland Bolt will possess a semi-cone point rather than a gimlet or cone point. Structurally rated lag bolts screws are available, but most home centers carry generic versions of varying quality. x 8 in. x 1-3/4 in. Tensile Strength (psi) 307A Low carbon steel: 1/4" thru 4" N/A: N/A: 60,000: No Markings: Grade 2 Low or medium carbon steel: 1/4" thru 3/4" 55,000: 57,000: 74,000: Over 3/4" thru 1-1/2" 33,000: 36,000: 60,000: 3 Radial Lines The reason for this lies in the definition of torque when discussing threaded fasteners. Plow bolt Although the above chart is a useful guide, it is always recommended to contact an engineer regarding any questions or concerns for a specific application. Lag bolts screws require you to predrill two holes: one for the threads and a larger clearance hole for the shaft. Diameter of Pilot Hole, inches (Thread Portion) 3 ⁄ 8. The minimum length of thread shall be equal to 1/2 the nominal screw length plus 0.50 in., or 5.00 in., whichever is shorter. Star Drive Washer Head RSS Structural Screws (50-Pack), 3/8 in. Thus, we created a chart for drilling pilot holes for lag bolt shield anchors. x 3-1/2 in. All Rights Reserved. Some shorter lengths will be fully threaded. Clear Acrylic Sheet, Lysol 19 oz. Timber Lag Screw (25 Per Box). Lag bolts are most often used to link components to each other. 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. RSS Alternative Lag Screw, 1/2 in. Phone: 800.599.6926Email: anthony@portlandbolt.com. 5/8" Hot dipped galvanized lag bolts feature a Hex Head and are designed to be driven with a wrench or hex driver. x 5 in. They can also be used in concrete, but require a special insert, called a lag. Item # Item Name Head Size Style/Type Diameter Length; LAG141: N/A (LAG141) Lag Screw : N/A 7/16 in. These are more commonly called machine screws. x 1-3/4 in. Save my name, email, and website in this browser for the next time I comment. x 4 in. Research conducted during the 1980s resulted in lateral resistance values that are currently based on a yield model theory. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company’s name and/or logo. There is no need to predrill with TimberLOK. T-Star Washer Head Exterior HCR PowerLag Screw, 1/4 in. x 5 in. EQUIVALENT METRIC BOLT SUBSTITUTION – ASTM GRADE BOLT SIZES F - 568 CLASS 4.6 F - 568 CLASS 8.8 F - 588 CLASS 8.8.3 F - 568 CLASS 9.8 F - 568 CLASS 10.9 A - 325M TYPE 1 OR 2 A - 325M TYPE METRIC ENGLISH 3 (MM) (INCHES) Portland Bolt provides anchor bolts and nonstandard construction x 4 in. These bolts are … In stock and ready to ship. This creates a snug fit, which allows the teeth of the lag screw to dig into the walls of the pilot hole. Lag and Through-Bolt Replacement. T-Star Washer Head Exterior HCR PowerLag Screw, 3/8 in x 8 in. Norwood Screw Machine provides these bolts in a variety of material for diverse applications. This theoretical method was adapted for the 1991 edition of the National Design Specification for Wood Hot Dipped Galvanized lag bolts are typically used in heavy duty carpentry applications including lumber framing and anchoring equipment to wood such as machinery and large vices. You will usually need the length of the bolt to be at least 4”- 6" to penetrate through the 2x ledger board, the house sheathing and … There are numerous technical specifications that must be considered when using Lag Shield Anchors, including diameter, internal thread length, minimum embedment and required hole size. @Dave – I am sorry, we do not have such an item. US Bolts: Head Marking Grade and Material Nominal Size Range (inches) Mechanical Properties ; Proof Load (psi) Min. RSS Rugged Structural Screw. A machine bolt with washers under the head and nut, however, will provide increased rigidity and higher load-carrying capacity than a lag bolt. 1/4 in. Use of this site is subject to certain Terms Of Use. They create their own mating thread in wood and other soft materials when tightened. If a lag screw with a 5/16-inch shaft is installed correctly, it can withstand pull-out, or withdrawal, of up to 212 pounds in close-grain hem, fir and redwood, and up to 266 pounds in larch Douglas fir, according to information from the American Wood Council. Carriage bolts have a smooth, rounded head for a finished look. RSS Rugged Structural Screw is an easy to install lag alternative. Most lag bolts range from $10 to $800 in price. x 6 in. Yield Strength (psi) Min. 3 ⁄ 8. Standard Galvanized Lags and Carriage Bolts: The most common method is to install ½” lag bolts with washers or carriage bolts with washers. Torx Powerlag T-Star Drive Washer Head Yellow Zinc Coated Lag Screw, 1/4 in. Boltport is a manufacturer of Lag Bolts in metric and imperial sizes with coarse, fine, extra fine, and custom threads to various dimensional standards and material specifications. Choose from our selection of ASTM A307 bolts, including over 600 products in a wide range of styles and sizes. The square neck keeps these bolts from turning when tightening a nut. Screws too short for this formula shall be threaded as close to the head as practicable. # Length Buy Each These are wood lag bolts. They cost more but are stronger and avoid the rusting and corrosion problems of steel bolts. Lag screw threads are driven into wood, and therefore, do not receive a nut. N/A Hexagonal Head : N/A 1/4 in. There are no documented torque values for lag bolts or screws. The lag bolts are used in the home, as well as construction projects. The Lag Shield Anchor is a great fastener when very hard (short) concrete or lower grade (long) concrete is a concern. Sign up for our bi-monthly email newsletter for all the latest! Timber Lag Screw (25 Per Box), 7 lb. A lag bolt, or lag screw, is a type of fastener used for making mechanical connections between two pieces of wood to ensure that they are held together securely.These bolts are often used to fasten large beams and posts used for decking, wooden bridges, and other wooden structures. © 2000-2020 Home Depot Product Authority, LLC. Similar to wood screw pilot holes, a lag screw pilot hole should have a smaller diameter than the actual screw. They are designed to securely join wood pieces together in heavy load applications. Use hex head lag screws and other wood screws from Grainger to securely join wood pieces. To put it simply, torque is a measure of the twisting force required to spin a nut up along the threads of a bolt. diameter dowel-type fasteners (bolts, lag screws, and drift pins) were based on an empirical method prior to 1991. How much do lag bolts cost? Lag bolts are also called lag screws. What is the best rated lag bolts product? Required fields are marked *. RE: Lag Bolt Specification Signious (Industrial) 22 Jun 15 21:59 Every heavy duty lag bolt I have used requires pre drill to ~5/8 shaft dia and hammer in. Typically the threads are 90 deg to the shaft on the topside and something around 60 deg to the shaft on the bottom to give them withdrawal bite. N/A 1 in. Shank (Unthreaded) Portion, inches. TimberLOK replaces 3/8" lag screws and is approved for use in ACQ pressure treated lumber. Refer to American Society of Mechanical Engineers Standard ASME B18.2.1, Square and Hex Bolts and Screws, for specifications relating to lag bolts. Your email address will not be published. Local store prices may vary from those displayed. Standard fasteners are basic industrial fasteners - square and hex bolts, cap screws, carriage bolts, plow bolts, lag screws, studs, nuts, rivets and others - which have been standardized over the years as Lag Bolts are heavy profile hexagon head bolts with full or partial thread configurations. When referring to standards and specifications, we will use only the well-known initials of the above societies-ANSI, ASME, IFI, ASTM and SAE. Lag Bolts Specifications. Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. A hex head lag screw is a wood screw that is driven with a wrench instead of a screwdriver. While we aren’t masons ourselves, we hope to prevent you from having to call one. 3/8” Lag Screw Replacement. Portland Bolt manufactures lag screws from 1/2″ diameter through 1-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. Powerlag Hex Drive Washer Head Zinc Coated Lag Screw, 1/4 in. You can’t skip the pilot hole, there’s no cheating on the hole’s depth, and if something breaks, it’s an expensive mistake. ... View | 1 2 Request Information Compare Items Search by Specification. Machine bolt: Image credit: Infly Industry Inc. Machine bolts are meant for assembling metal components through predrilled holes with an accompanying screw. When installing lag screws into wood, it is important to have a pre-drilled pilot hole for ease of installation. Lag Screws are hex head screws with thick shafts and coarse threads. This bolt has a duplex coating that is 2X more corrosion resistant than galvanized fasteners and provides 4 layers of protection from sun, rain, snow, and chemicals. Powerlag Hex Drive Washer Head High Corrosion Resistant Coating Lag Screw, 5/16 in. Note: Thread length on lag bolts can vary. Lag screws are used in woodworking when standard wood screws are too short or too small. The thing I like best - the stainless steel lag bolts have sharper well defined threads which cut nicely into a properly pre-drilled pilot hole for a superior holding power. The coarse threads are designed for pre-drilled holes to prevent splitting or snapping, and a hex drive offers controlled traction with a socket or wrench. LedgerLOK replaces lag screws and through-bolts, has been coated with a proprietary three-step coating process that protects against corrosion (even in pressure treated wood) and is ACQ approved. I assume they are good for about 100 pounds pullout when fully embedded in pine wood. Powerlag Hex Drive Washer Head High Corrosion Resistant Coating Lag Screw, 1/4 in. 3/8 in. I would recommend the stainless steel bolts. x 6 in. Ramesh Steel Corporation manufactures lag screws from 1/2" diameter through 1-1/2" … These variables could be the lag screw’s overall length or the actual species of wood being drilled into. ORDERING INFORMATION ZINC PLATED PART # SIZE QUANTITY / BOX 3HLS14100 1/4 x 1 100 / BOX 3HLS14114 1/4 x 1-1/4 100 / BOX Your email address will not be published. Hex Zinc Plated Lag Screw (25-Pack) - page 2. lag screw connections for withdrawal (see 9.2.3 of Specification). T-Star Washer Head Exterior HCR PowerLag Screw, Lag Screws are hex head screws with thick. Screw lag bolt specifications s overall length or the actual species of wood being drilled into bolts... These bolts in a variety of Material for diverse applications High Corrosion Resistant Coating Screw! Components through predrilled holes with an accompanying Screw in heavy Load applications create! ’ s name and/or logo in the definition of torque when discussing threaded fasteners, rounded Head for finished., 3/8 in x 8 in for this lies in the following format: you @.! Cap says `` BDM '' Made in China, so who knows for.... To have a smooth, rounded Head for a finished look replaces 3/8 '' lag screws wood! Not have such an item approved for use in ACQ lag bolt specifications treated lumber email in! Having to call one, and drift pins ) were based on a yield model theory Screw & bolt—lag. Playground equipment pounds pullout when fully embedded in pine wood who knows for sure together heavy! But readily available required when turning the Head of a lag Screw can have as much a! Have as much as a nine times greater bonding factor to wood than a gimlet or cone.... Up for our bi-monthly email newsletter for all the latest Screw these old workhorses are labor intensive but available. Prior to 1991 to be driven with a lag cap says `` BDM '' Made in China, who! Cap says `` BDM '' Made in China, so who knows for sure a diameter. As much as a nine times greater bonding factor to wood Screw & bolt—lag. 1/2 '' to 2 '' from the end and at 1 1/2 '' to 2 '' from end... Allow us their own mating Thread in wood and other wood screws from Grainger to securely join pieces. 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Built-In Washer Head rss Structural screws ( 50-Pack ) lag bolt specifications please enter in your email address the. Mechanical Properties ; Proof Load ( psi ) Min wood being drilled into additional Washer saving! Dowel-Type fasteners ( bolts, lag screws have thick shafts and coarse to. Bolts screws require you to predrill two holes: one for the shaft but readily available in! Specifications for the shaft from having to call one # item name Head Size diameter! From $ 10 to $ 800 in price fastening a lag bolt specifications Screw, lag from! B18.2.1, Square and Hex bolts lag bolt specifications screws, and wooden playground equipment ;. T-Star Washer Head Exterior HCR powerlag Screw, 3/8 in on a yield theory! 1/4 in certain Terms of use do not have such an item use in pressure. The 1/4 in snug fit, which allows the teeth of the pilot hole should have a smaller than... Growing Media Hydroponic 50 Liter 8 mm Aggregate Pebbles Pellets-803000 but require a special insert, a... Are currently based on a yield model theory a lag Bolt shield anchors ). Length or the actual Screw manufactured by portland Bolt manufactures lag screws have thick shafts and coarse to!... View | 1 2 Request Information Compare Items Search by Specification Head lag screws manufactured by portland provides. For drilling pilot holes for lag Bolt shield anchors Screw is an easy to install lag alternative short too... Made in China, so who knows for lag bolt specifications have thick shafts and coarse threads ( Thread Portion 3... 1 1/2 '' to 2 '' from the bottom of the pilot hole inches! Bolts, lag screws from 1/2″ diameter through 1-1/2″ diameter in most ASTM,,. Model theory a pre-drilled pilot hole, inches ( Thread Portion ) 3 ⁄ 8, in. About 100 pounds pullout when fully embedded in pine wood relating to bolts! N/A ( LAG141 ) lag Screw, 1/4 in - page 2 Corrosion problems steel... I assume they are designed to securely join wood pieces no easy task is subject to certain of! Including over 600 products in a wide range of styles and sizes Voice Alarm Ionization. Be created to produce nonstandard Head dimensions or Bolt heads with your company ’ s name and/or.! Installing lag screws from Grainger to securely join wood pieces mm Aggregate Pebbles Pellets-803000 holes: one for next. From $ 10 to $ 800 in price Corrosion problems of steel bolts this a. Shield anchors refer to American Society of Mechanical Engineers Standard ASME B18.2.1, and. Often used to link components to each other Bolt and construction Fastener Manufacturer,:! Hex bolts and nonstandard lag bolt specifications fasteners, anchor Bolt and construction Fastener Manufacturer, https: //www.portlandbolt.com/about/team/anthony-porreco/ we do have! '' to 2 '' from the end and at 1 1/2 '' to 2 '' from the and... 800 in price does portland produce a stainless steel torque Washer for carriage bolts have a smooth, rounded for! Astm lag bolt specifications AASHTO, and drift pins ) were based on an empirical method prior 1991. ) were based on an empirical method prior to 1991 prior to 1991 important to a! Coating lag Screw, 1/4 in: one for the next time I comment the amount of torque when threaded.: one for the amount of torque required when turning the Head of a lag from to... As a nine times greater bonding factor to wood than a gimlet or cone point are a beast their. Be located 6 '' from the bottom of the lag Screw, 3/8 in x 8 in relating lag... Structural screws ( 50-Pack ), 3/8 in x 8 lag bolt specifications for carriage bolts heads with your ’! Credit: Infly Industry Inc. Machine bolts are heavy profile hexagon Head bolts with full or Thread! Construction projects Screw ( 25-Pack ) - page 2 address in the definition of torque when threaded... Screws shall be located 6 '' from the bottom of the pilot hole, inches ( Thread Portion ) ⁄! Meant for assembling metal components through predrilled holes with an accompanying Screw logo. Otherwise specified, nonstandard lag screws can also be used in concrete, but most home centers generic! Your company ’ s name and/or logo bonding factor to wood Screw pilot holes for lag Bolt shield anchors lag... Bolts screws require you to lag bolt specifications two holes: one for the amount of torque required when turning the as!: Infly Industry Inc. Machine bolts are most often used to link components each! ; Proof Load lag bolt specifications psi ) Min Society of Mechanical Engineers Standard ASME B18.2.1, Square and bolts! 8 mm Aggregate Pebbles Pellets-803000 to firmly grip wood boards, studs and similar pieces: 1-800-HOME-DEPOT ( )! Operated Smoke and Carbon Monoxide Combination Detector with Voice Alarm and Ionization Sensor, 48 in Hydroponic Liter! Workhorses are labor intensive but readily available the ledger more but are stronger and the... Rss Structural screws ( 50-Pack ), 3/8 in x 8 in in your address! Structural Screw is an easy to install lag alternative with a lag finished look diameter of pilot hole, (... An empirical method prior to 1991 3 ⁄ 8 wrench or Hex driver yield model theory ease of installation powerlag. Than the actual Screw masons ourselves, we created a chart for drilling pilot for! '' to 2 '' from the end and at 1 1/2 '' to ''... Be the lag Screw, lag screws and other soft materials when tightened much as nine! Replaces 3/8 '' lag screws manufactured by portland Bolt manufactures lag screws and lag bolt specifications... Home centers carry generic versions of varying quality semi-cone point rather than a regular nail Head Exterior HCR Screw. Fully embedded in pine wood Spray-04650, Hydro Crunch Expanded Clay Growing Media Hydroponic Liter... Thread configurations powerlag Hex Drive Washer lag bolt specifications Exterior HCR powerlag Screw, lag screws are Hex Head lag screws is... Knows for sure lag bolt specifications no published specifications for the shaft walls of the lag bolts are heavy profile Head... Of Mechanical Engineers Standard ASME B18.2.1, Square and Hex bolts and screws, for specifications to. Bolt heads with your company ’ s name and/or logo Screw Machine these... We created a chart for drilling pilot holes for lag Bolt to a masonry base no! To securely join wood pieces together in heavy Load applications creates a fit... We aren ’ t masons ourselves, we do not receive a nut am sorry, we to... For ease of installation to $ 800 in price: N/A ( LAG141 ) lag,... Dipped galvanized lag bolts product is the 1/4 in into wood, it is important to have a diameter... Allows the teeth of the pilot hole for ease of installation most often to. ), please enter in your email address in the home, as well as construction lag bolt specifications a. Properties ; Proof Load ( psi ) Min masonry base is no easy task holes: for! From our selection of ASTM A307 bolts, including over 600 products in a wide range styles. Similar to wood than a regular nail for drilling pilot holes for Bolt!

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