Bolts are a type of essential fastener that often assembled with nuts. Related Topics . 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) hole diam (mm) english - astm grade specified a - 449 type 1 a - 354 grade bd m6 m8 m10 m12 m14 1/4 Steel, Electro-plated Zinc: For use in wood in non-corrosive environments, Steel, Hot-dip Galvanized: For use in corrosive environments. A full-bodied bolt with hex head, spaced threads and a gimlet point. Portland Bolt & Manufacturing Company, Inc. Choose from our selection of metric bolts in a wide range of styles and sizes. Consult an engineer for questions regarding specific applications. Knowing the … Cheat Guide Chart – Bolts, Screws, Washers, Nuts, Drive Charts Read More » Double expansion anchors come in six sizes (the sizes always refer to the inside diameter of the anchor, i.e. The chart below can be used to identify commonly accepted hole sizes. This technical information is supplied as a courtesy. Unless specified, the lag bolts we make will have a semi-cone point, not a gimlet point typically supplied on smaller import product. Refer to the chart below for commonly accepted hole sizes. There are a number of variables that may change the required pilot hole dimensions including: bolt length, diameter, and wood species. Free returns. Contact us for the answers you need! Flanges 600 LB. Installation of lag bolts can be eased significantly by starting with a pilot hole, or lead hole, as it is sometimes referred to. Using the proper specific bolt type is very critical when working on a wood or metal project. Steel, Hot-Dip Galvanized: For use in corrosive environments. ... for any hex bolt or lag screw you use. © 2021 In most instances 5/16-inch-diameter lag bolts are sufficient. Lag bolts. Free next day delivery available. BigCommerce Design & Development by IntuitSolutions In Britain, a bolt is a fastener that is threaded for only part of its length. The method used for tightening the bolt is also dependent upon the grade of the bolt. Select a lag bolt that's 1/4 inch shorter than the accumulated width of the two pieces. as you are going to use bolt and stud to connect flanges.. AFT Fasteners At that point, it would probably be best to get the bolt in both sizes and try them out. Sitemap The grades are indicated on top of the bolts as raised numbers or dashes. ... Have a question about bolt diameters and head sizes? Lag Screws: Performance & Mechanical Specs; Description. A fully threaded fastener with a spaced thread pitch, tapered point, and an integrally formed hex washer head with an indented top surface. Measure length from under the head to the threaded end of the bolt. The only heat treatment normally available on austenitic stainless alloys is annealing, which is done at approximately 1900 Degrees (F) to a dead soft condition and is not normally thermally reversible. Applications: Steel, Electro-plated Zinc: For use in wood in non-corrosive environments Steel, Hot-dip Galvanized: For use in corrosive environments Stainless Steel: Has superior corrosion resistance to galvanized steel bolts. Stay connected to AFT Fasteners with important information and promotions. A single 1/4" Grade 5 lag bolt, in a configuration like this, will fail at roughly 13,000 lbs. 2. Thousands of customer product reviews. Refer to our technical chart for the size of hole to be drilled for each anchor. Unless otherwise specified, nonstandard lag screws manufactured by Portland Bolt will possess a semi-cone point rather than a gimlet or cone point. 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. There are a number of variables that may change the required pilot hole dimensions including: bolt length, diameter, and wood species. Eye Bolts A bolt … Bolts & Cap Screws F G S H E GIMLET POINT L Description A full-bodied bolt with hex head, spaced threads and a gimlet point. | Typical Pilot Hole (Drill Bit) Sizes By Lag Screw Diameter SOFT WOOD MEDIUM WOOD HARD WOOD Groups III & IV Group II Group I 1/4” 3/32” 5/32” 3/16” 5/16” 9/64” 3/16” 13/64” 3/8” 11/64” 15/64” 1/4” 1/2” 15/64” 5/16” 11/32” 5/8” 5/16” 13/32” 29/64” 3/4” 13/32” 1/2” 9/16” LAG SIZE . I was not impressed and it at no point felt "tight". Click to see full answer. Refer to the chart below for commonly accepted hole sizes. * Click on the basic product diameter to find products. Typically, lag screw sizes range from 1/4" to 3/4" in diameter, and lengths span from about 1" to 16". Please try again. Lag Shield Anchors The minimum length of thread shall be equal to 1/2 the nominal screw length plus .50 inches, or 5.00 inches, whichever is shorter. Diameter and Lengths of the stud and bolt are covered in flange standard ASME B16.5 & B16.47. Refer to the chart below for commonly accepted hole sizes. 3. Typically, lag bolt sizes range from 1/4" to 3/4" in diameter, and lengths span from about 1" to 16". They can also be used in concrete, but require a special insert, called a lag. Traditional lag bolt easily stripped out the stud and lost traction. SPAX Lag drove itself in SO tight, that it sunk that 5/8" washer 3/4 inch deep into the top stud before I backed off. Length is measured from under the head to the threaded tip of the screw. Oops, something went wrong. Thus, we created a chart for drilling pilot holes for lag bolt shield anchors. Flanges 300 LB. Instant flange bolt sizes and torque patterns: Just enter the flange size, class, and type and the app instantly populates the correct values from the flange bolt size chart and the flange torque sequence chart, along with wrench size. Clamp together two pieces of wood the sizes of the ones you want to screw together. Image shown below indicates the nomenclature that used in the dimension chart. PRICES & SIZES. Adhesive Dispensing Equipment & Accessories, Chemicals, Lubricants, Paints & Cleaners, Multi-Purpose Tools Corded Parts & Accessories, MIL Spec Fasteners and Aerospace Fasteners. Flange Bolting Chart. Since lag screws are externally wrenched, sufficient space around the head must be allowed for wrench clearance. the size of the bolt to be used – 1/4”, 5/16”, 3/8” 1/2”, 5/8” and 3/4”). Portland Bolt provides anchor bolts and nonstandard construction Mudge Fasteners, Inc. (800) 634-0406 sales@mudgefasteners.com. STOCK. Choose from top trade brands. Abbreviated Lag: Flange Bolts Flange bolts have a flange on the bottom of the head that distributes the load like a washer. Using a bolt with the right sizes is vital for jobs in various machinery and equipment. Miscellaneous - Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more; Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . There are three main systems of bolt … Sign up for our bi-monthly email newsletter for all the latest! Similar to wood screw pilot holes, a lag screw pilot hole should have a smaller diameter than the actual screw.This creates a snug fit, which allows the teeth of the lag screw to dig into the walls of the pilot hole. , for Bolt or Lag Screw Connections with Wood Side Members..... 70 11.3.6B Group Action Factors, C. g, for 4" Split Ring or Shear Plate Connectors with Wood Side Members ..... 70 11.3.6C Group Action Factors, C. g, for Bolt or Lag Screw Connections with Steel Full points are not needed for large diameter lag bolts, because pilot holes should be drilled to ensure the heads do not break when torque is applied. SPAX Lag got tighter, but still stripped out the wood it was drilling into quickly. Head sizes vary with the size of the screw. Lag Shields 7-3 Lead Wood Screw Anchors 7-3 Hammer drive Anchors 7-4 Hollow Wall Anchors 7-5 Toggle Bolts 7-6 Toggle Wings and Nylon Nail Anchors 7-7 Plastic Anchors and Toggles 7-8 to 7-9 Locknuts ESNA® Light Hex Nuts 8-1 to 8-2 FLEXLOC® Self-Locking Nuts 8-3 Prevailing-Torque Type Steel Hex and Hex Flange Nuts 8-4 to 8-5 | Screws too short for this formula shall be threaded as close to the head as practicable. Hex Lag Screws: Hex lag screws are large-scale wood screws with six-sided heads. | While we aren’t masons ourselves, we hope to prevent you from having to call one. 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. Basic Product DiameterClick on the size to shop products. Use the Mudge Fasteners bolt head size chart to determine the head size, and wrench or socket size required, for any hex bolt or lag screw you use. Lag Bolts Bolts with a wood thread and pointed tip. Stainless Steel: Has superior corrosion resistance to galvanized steel bolts. There are a number of variables that may change the required pilot hole dimensions including: bolt length, diameter, and wood species. Diameters: 1/2" - 3/4" Lengths: 18" maximum Finish: Black and hot … 150 LB. Buy Coach Bolts & Screws at Screwfix.com. Designed specifically for attaching track brackets and flag brackets of garage door assemblies to wooden door jambs. Working on a project and trying to find the name of a special bolt type? Lag Bolts (Screws) Sizes Diameter in inches Length in inches fraction decimal 1/4 .2500 1 TO 6 5/16 .3125 1 TO 10 3/8 .3750 1 TO 12 7/16 .4375 1 TO 12 1/2 .5000 1 TO 12 5/8 .6250 1 1/2 TO 16 3/4 .7500 1 1/2 TO 16 7/8 .8750 2 TO 16 1 1.0000 2 TO 16 STANDARD BOLT IDENTIFICATION MARKINGS Identification Grade Mark Specification Fastener Description Material Nominal Size Range (in.) A full point is unnecessary since a pilot hole nearly as large as the root diameter o… Pilot or lead holes are typically used to ease the installation of large diameter lag bolts. 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. A full-bodied bolt with hex head, spaced threads and a gimlet point. Also known as lag bolts, hex lag screws can be used for other applications, but their threads are specifically designed to grip wood. Applications/ Advantages Steel, Electro-plated Zinc: For use in wood in non-corrosive environments. Stainless: The austenitic alloys develop their strength through work hardening during the fastener manufacturing process, as seen from the hardness properties below. Socket Screws Socket screws, also known as Allen head, are fastened with a hex Allen wrench. Although 7/16" is detailed in the ASME standard, that size is not commonly available. Full points are not needed for large diameter lag bolts, because pilot holes should be drilled to ensure the heads do not break when torque is applied. We have the charts to help you identify the many different types of bolts and screws for just about any project. Measure the width of the combined pieces. fasteners, Anchor Bolt and Construction Fastener Manufacturer. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company’s name and/or logo. In this article, I have covered Flange Bolt Dimension Chart and Stud Size Dimensions for stud and bolt used is piping. Even 1/8" lag screws (well down into "numbered" screw sizes) will have a shear strength of over 3,000 pounds. In this article, we’ll go through a complete guide of bolts, which involves bolts definition, types, dimensions explain, and the standard bolt sizes chart in metric and imperial. Flanges; Nominal Pipe Size # Bolts or Studs Dia of Bolts or Studs Length of Stud # Bolts or Studs Dia of Bolts or Studs Length of Stud # Bolts or Studs ... Download Our New Printable Texas Flange Pocket Bolt Chart! For example, I overlaid a bolt onto the print-out chart to see if I could figure out what size it was. Tensile strength is the amount of pull the bolt can withstand before breaking. Portland Bolt manufactures lag screws from 1/2″ diameter through 1-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. In stock and ready to ship. Consequently, how much weight can stud hold? Stainless Steel hex lag bolt screws Manufatcurer in India. Privacy Policy. Fastening a lag bolt to a masonry base is no easy task. In the same sentence in which it notes this fact³, the SAE states, “For the purposes of this document, the term bolt will be used for all sizes.” For the purposes of this website, we will follow SAE's lead. A lag screw can have as much as a nine times greater bonding factor to wood than a regular nail. Steel: AISI 1006-1022 or equivalent steel. Ramesh Steel Corporation manufactures lag screws from 1/2" diameter through 1-1/2" diameter in most ASTM, and SAE specifications. It seemed to fit the best with the #10-32 model, but #8-32 was pretty darn close as well. Full points are not needed for large diameter lag bolts, because pilot holes should be drilled to insure the heads do not break when torque is applied. Part wood screw & part bolt—lag screws are a beast of their own. 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" Silicon bronze; Hex flange head; Drywall screws; Roofing screws; Deck screws & Timber screws; Socket screws; Set screws; Nuts; Washers; Studs, Rod & Stock; Hanger bolts & Dowel screws; Anchoring products; Eye bolts & Screw eyes; U-Bolts; J-Bolts w/ nuts Material Hex head. Stainless: Has superior corrosion resistance to galvanized steel bolts. Stainless steel 18-8; Stainless steel 316; Zinc plated steel; Hot dipped galvanized steel.