These types of anchor bolts are used when the aesthetic quality of the fixture is needed and when you don’t want anchor bolts sticking out at different lengths from the installation, which can be unsightly. Anchor bolts can be divided into two main categories: bent-bar anchors and headed anchor bolts. This site is owned and operated by BuilderSpace.com, LLC. The simplest – and strongest – form of anchor bolt is cast-in-place, with its embedded end consisting of a standard hexagonal head bolt and washer, 90-bend, or some sort of forged or welded flange (see … One of the best designs for concrete wedge anchors is the CONFAST 1/2″ x 7″ Wedge Anchor Zinc Plated, which comes in a box of 25. When choosing the right anchor bolt for the job, you will want to consider some aspects of the things you will be securing to the concrete structure. You have to think about the type and strength of the concrete, the fixture size and location, the type of environment, and the desired look of the finished project to consider when choosing the right anchor bolt for the job. Hex-Washer-Head Concrete Anchors (75-Pack) (192) See Lower Price in Cart. A307: Grade C of the A307 specification formerly covered anchor bolts, but in 2007 was replaced by F1554 Grade 36. $ 26 48. There are many considerations to make when deciding on the size and type of anchor bolt that you will use to fasten something to the concrete of a structure. Typically, anchor bolt sizes range from 3/8" to 1" in diameter, and lengths span from about 6" to 30". As you finalize your plan to purchase the correct anchor bolts for your job, there are a few more considerations that you want to consider after the job is done. The most important part of the concrete’s composition to consider is the thickness and whether it is steel rebar reinforced. Diameter (D) x Length (L) x Leg distance (C) x Thread (T) Manufacturing. The force needed to break the dried cylinder of concrete gives the PSI or compression strength of the concrete. The compression strength of concrete will tell you how durable the concrete is when it is thoroughly dried. Concrete has various strength types for the different building projects that it could be used for. Masonry’s catastrophic failure goes beyond cracking. It becomes a rock structure known the world over as concrete. So the next time you see a “cement-truck” remember, its a concrete truck.eval(ez_write_tag([[300,250],'yourownarchitect_com-banner-1','ezslot_5',113,'0','0'])); In general, cement is used as a mixture in concrete. The embedded depth for bent-bar anchor bolts is determined by measuring the from the masonry surface to the surface bearing weight on the bent end minus the diameter of one bolt. Your Own Architect also participates in affiliate programs with Clickbank and other sites. However, the two most important aspects of the job to consider are the size of the hole for the fixture fasteners and the length of the bolt. The length of the bolt extending through is determined by how many times it is tightened and how the nut was placed in the concrete before the bolt was hammered into place. Will the Load Being Fastened to Concrete be in an Environment that Vibrates? When deciding on the anchor bolt for the job that you are completing, it’s important to take into consideration the environmental effects that the load being fastened to concrete will have to withstand on a consistent basis. Theoretically, Grades A and B could be used as anchor bolts, but technically they are not anchor bolt … A steel rebar drill needs to be durable, but it shouldn’t break the bank. Phillips-Flat-Head Concrete Anchors (75-Pack) (167) See Lower Price in Cart. This is because the working end of the anchor bolt will not fit through the hole, so you will need to size down to ensure that the entire bolt is able to fit through the opening of the fixture hole. x 2-3/4 in. For a job like this, you will need to use a concrete wedge anchor. Even a crack would be a failure that needs to be re-engineered. These anchor bolts can be headed bolts, straight rods, or bent anchor bolts. Portland Bolt manufactures custom bent anchor bolts from 1/2″ – 4″ diameter to virtually any ASTM specification. There are individual drill bits that can handle the job of digging through the steel rebar. Stronger anchor bolts with greater diameter need to be used if the load is attached overhead on a wall. I developed this site in the hopes that it will provide you with valuable information and help answer your questions, so that you can create your perfect home. A simple rule to remember is that the smaller the diameter of the bolt, the less the depth of the drilled hole needs to be. A vast majority of anchor bolt jobs are made to be permanent. On the other hand, higher strength concrete for large building projects can be 10,000 psi compression strength or more significant.eval(ez_write_tag([[300,250],'yourownarchitect_com-large-leaderboard-2','ezslot_10',114,'0','0'])); Additionally, knowing the age of the concrete can provide information on which anchor bolts to use. Standard inch and metric bolts are available in a variety of sizes, strengths, materials and finishes. For example, smaller residential projects can be built with 3,000 psi compression strength concrete. Concrete is the stronger of the two and is used in building skyscrapers, superhighways, and dams. Tension force is the movement of two things caused by sliding across one another. These considerations include whether or not this is a permanent fixture to the concrete structure if the fixture needs to be adjusted with leveling or shimmying, and whether the job needs to have a “finished” look for aesthetics. Tapcon 1/4 in. All sizes are in inches. These loads are known as heavy load values and have a few more considerations to take place than if the load was simply resting on the ground. Loads fastened to concrete overhead are essential to consider when choosing the anchor bolts for the job. The Dale Company manufactures custom sizes and threading to meet your specific application requirements. Another option is to use a device that actually scans the concrete for where the rebar is located. Any load that is fastened to concrete where there is a shock load will have to be able to withstand changes over a period of time. Need Anchor Bolts not listed in our stock list below? Fans, conveyor belts, or even objects like signs that may blow in the wind all need to be considered fixtures that will vibrate on a continual basis. Since a mechanical anchor bolt transfers shear and tension through friction if the friction against the wall of its hole is lost due to continual vibration and deterioration, the holding power may be greatly diminished. Material Select Above (GR55, GR55 HDG, GR105, 304SS) Diameter (Min.) Concrete is a mixture of paste, which is Portland cement and water, and aggregates or fine and coarse rocks.When it hardens around the aggregates, the paste gets much more reliable. Before buying the anchor bolts, it’s important that you know at least a few things about the cement that you will be drilling into and anchoring from. I'm a registered architect in New York and a member of the American Institute of Architects. Item #326595. A fixture bonded to concrete by anchor bolts that vibrate can cause added problems that need to be considered before installing those anchors. Bolts are externally threaded fastener products that are used in combination with equally threaded nuts to join two or more components. Understanding the composition of the concrete can help you to plan out which anchor bolts to use and also how you will drill the holes for the anchors to be set in. size of the bolt to be used – 1/4”, 5/16”, 3/8”, 1/2”, 5/8” and 3/4”, Refer to our technical chart for the size of hole … Shear loading situations are not affected by embedment depth as long as the anchors have placed at their minimum required depth. That’s why it is essential to select the right bolts. Flat or round-headed sleeve anchors have smooth heads that protrude from the fixture and look uniform, giving a finished look to the project. The holding values will be significantly reduced the closer to the bottom of the concrete the anchor is placed because of the unsupported edge that you have created. There are many different characteristics when choosing the right anchor bolt for your project with concrete. The type of carbide-tipped bit needed is dependent upon the type of hammer drill being used. In other words, it is the force that is attempting to make the masonry and other materials, longer. 1-1/2"x24" Structural Anchor Bolt, and minimum 6" Thread Length. However, there are many things to consider when choosing the right anchor for the job. for pricing and availability. party responsible for supplying the anchor bolts to the pur-chaser. So, a 1/2″ anchor set with a minimum embedment of 3.5 inches will be a stronger hold than a 1/4″ anchor with a minimum embedment of 1″. If not, your best option is to consult with a structural engineer who can produce this for you. If the fixture needs to be leveled or shimmied, then you must make sure that the anchor bolt goes through with enough treads to allow for up and down movement of the anchor. Contact Fastener Solutions for more information regarding custom bolts … Since mechanical anchors can provide holding values based on the friction of the bolt against the walls of the hole, if the friction is broken, the holding value will diminish. $ 13 … Portland Bolt stocks these F1554 grade 36 hex head anchor bolts that are ready for immediate shipment. This will help you drill the holes around the rebar instead of through it. The strongest and deepest set anchor bolts with the largest diameters should be used for loads fastened to concrete overhead. Harder concrete will be more challenging to drill a hole for your anchor and may be harder to fasten an anchor to. for pricing and availability. Disclaimer: I am an affiliate of Amazon.com, if you purchase anchor bolts … In general, the larger the diameter of the anchor bolt, the more carrying power that it has and more massive a load it can bear. Find anchor fasteners in a variety of types and sizes; a wedge anchor will reinforce your concrete structure or wall, while a stud bolt is best … Hex Flange Nut Sleeve Anchor 316 Stainless Steel. A proper bit for drilling a hole for a concrete anchor is an ANSI tolerance, carbide-tipped drill bit. The longer concrete is left to dry, the harder and more robust it will get. This situation is known as a shear loading situation for the concrete fastener. If this is the case, it is essential to know that the diameter of fasteners will not match the holes of the fixture. There are a few different head types for the headed anchor bolt, including the square-head and hex-head threaded bolts. The depth at which the anchor bolt needs to safely sit to bond the outer layer to the concrete is called the “minimum embedment”. Light-duty anchors … Model #260271. However, sometimes you will need to anchor bolt something to concrete that will be taken down in the future. x 1-1/4 in. Odds are that if you are working on a job for a large structure, you will be dealing with concrete that is reinforced with steel rebar.eval(ez_write_tag([[300,250],'yourownarchitect_com-leader-1','ezslot_6',115,'0','0'])); You will chew up standard bits trying to drill into the steel rebar. Examples of this may be things attached to fences. Anchor Bolts are typically used for a variety of projects from standard architecture to dam repair to nuclear power plant construction. Many of the drills that you will find on the market tend to be pricey. Carbide-tipped … It’s an important marker for understanding how secure your concrete is. Anchor bolt price list include prices for wedge type, sleeve type and flush type anchors. You could also use female anchors such as the single and double expansion anchors, machine screw anchor, or the drop-in anchor to achieve the same uniform look. Concrete usually takes up to a month to dry thoroughly. Find My Store. The values of the shear for any particular job depending on the diameter of the anchor. A common example of a shock load would be a bumper on a dock. The three grades 36, 55, and 105 designate the minimum yield strength of the anchor bolt. This chart is available for referencing bent anchor bolt lengths. The embedded depth for headed anchor bolts is determined by measuring the surface of the masonry to the bolt head bearing surface. How the two provide stability for the structure is important for understanding which anchor bolt you should use on your construction project. When considering the weight of the load that the anchor bolt must hold, it’s important to understand that the bolt is the weakest point in the concrete structural system. While sizing requirements vary according to local code, 1/2 inch … The two main types of force that are acting on the masonry structure of a building are shear and tension. Baden Steelbar & Bolt Corporation is a family-owned manufacturer and distributor of fasteners based in Pittsburgh, Pennsylvania. A good option is the Bosch RC2124 3/4-Inch by 12-Inch SDS Plus Rebar Cutter. 6.6 Recommended Nuts: 6.6.1 Unless otherwise specified, all nuts used on these anchor bolts shall conform to the requirements of Specifica-tionsA 194/A 194M orA 563 and shall be of the grade, surface finish, and style for each grade and size of anchor bolt … It comes in various sizes from 1 inch in diameter to 9/16ths of an inch in diameter. Anchor bolts are designed to transfer the shear and tension from the structural parts. Anchor bolts are designed with the bolt coming through the fixture. Shock load can slowly loosen the friction due to the shock of use over time. Length is measured from under the bent leg to the threaded end of the bolt. Tapcon 3/16 in. The simple formula used to determine the length of the male fastener is done by adding the thickness of the material being fastened plus the minimum depth of embedment for the diameter of the anchor bolt, plus the thickness fo the washer and nut.eval(ez_write_tag([[300,250],'yourownarchitect_com-box-4','ezslot_8',112,'0','0'])); If it is a female fastened being used, the formula used to determine the length of the fastener is done by adding the number of threads of the anchor, plus the thickness of the material being fastened, plus the thickness of any washers that may be used. The required nut specification for all F1554 anchor bolts is ASTM A563, which is the general nut specification for structural and mechanical applications. We provide both stocked and custom anchor bolts, anchor bolt assemblies, threaded rod, bolts, bent bolts… However, they are two different materials with different compression strengths and reasons for being used. Depending on the diameter and finish of the anchor bolt… But catastrophic failure means that the structure is coming apart and could fall onto someone, injuring or even killing them! bolt size/hole size. Item #195492. Below is a table of anchor bolt diameters and the fixtures holes that they can fit into. However, they are expensive and will take a longer time to drill than standard concrete. The strongest and deepest set anchor bolts with the largest diameters should be used for heavy loads fastened to the concrete. Add To Cart. You want the anchor bolts to be able to hold the strain of the load without sacrificing the stability of the entire structure. In stock and ready to ship. Anchor Bolt Size Chart Select the chart you want to view: Countersunk Head Sleeve Anchor: Drop in Anchor: Hex Flange Nut Sleeve Anchor: Flush Head Sleeve Anchor: Stud Anchor . For example, a lead material anchor bolt like the Hard-To-Find Fastener would not be an ideal choice for more aged concrete because its lead body would not fasten well into the concrete. With this in mind, you need to determine which diameter of the anchor will be required depending on the weight of the load it is supposed to hold. Finally, there are different anchor bolts used for loads propped up off of the ground versus those which will be sitting on the ground. Often, the terms cement and concrete are used interchangeably. Hillman 1/2-in x 6-in Galvanized Exterior Anchor Bolt. Wedge type anchors are used on handrails, balusters, ladders, staircase and guard rails. When you connect something to concrete, it should hold a lifetime. Different types of anchors are used on different applications. Overhead Loads Consideration #2: Catastrophic Failure. PSI refers to the compression strength of concrete. Smaller diameter less deeply embedded anchor bolts can be used for loads that are fastened with on edge resting on the ground. They are … Before starting your anchoring job, you’ll need to know more about the base material that you will be drilling into. Concrete anchors types vary and include concrete screws, hammer-set anchors, lag shields, lead screw anchors, plastic wall plugs, anchor bolts and more. Bosch RC2124 3/4-Inch by 12-Inch SDS Plus Rebar Cutter, CONFAST 1/2″ x 7″ Wedge Anchor Zinc Plated, which comes in a box of 25, https://www.cement.org/cement-concrete-applications/how-concrete-is-made, https://www.nrmca.org/aboutconcrete/cips/35pr.pdf. This guide will help you to ask the right questions about the base material and the non-structural material you are anchoring into the base material so that you can do a thorough job. Available in a range of sizes from M2 to M42 and din 933. To learn more about anchor bolts, check out our blog on their types and uses. These forces will do one of two things; either force through the entire system of masonry causing the failure of the system, or the masonry will remain standing. Masonry and concrete anchor types are considered light-duty, medium-duty or heavy-duty, based on how much weight they can support. Also, the best holding value occurs in deeply embedded anchors within very hard(compression strength-PSI) concrete. Remember, after a month, concrete is fully cured and very hard. Uses the mechanical advantage of screw threads to obtain high expansion pressure. A 1.3812" Length B 24" Thread Size 1 1/2"-6 Thread Length C 6" … Steel is the standard … Privacy, T-Head Bolt and Mechanical Joint Gasket Packs, COVID-19 Update From Birmingham Fastener (#4), COVID-19 Update from Birmingham Fastener (#3), COVID-19 Update From Birmingham Fastener (#2). For this reason, it’s imperative to reference the structural drawings and specifications of the building or other structure – if you have them. As anchor fasteners are typically embedded in a substrate by physical or chemical means, these bolts … Finally, is this a concrete fixture that needs to be permanent? They come in two main categories, which are either in the shape of a J or an L.eval(ez_write_tag([[300,250],'yourownarchitect_com-medrectangle-4','ezslot_3',111,'0','0'])); All allowable stress ratings for these bolts are only 20% of the average of 5 tests done on the specimens. The hole in the fixture may determine the gap that needs to be drilled in the concrete. Materials and finishes available for our anchor bolts … • Zinc anchors are malleable and compress under high loads. Home Flush type anchors … When anchoring to masonry, the general rule is that the embedded depth should be at least four bolt diameters or 2 inches (51 mm) deep, whichever is greater. These hex bolts have a forged hex head and are not a rod with a tack welded nut.We stock a wider range of F1554 grade 36 headed anchor bolts … Another thing to consider is where the load that the anchor bolts will be holding will be fastened to the concrete. For a finished look, you will need to use a uniform headed anchor bolt. Bent-bar anchor bolts are threaded steel-rods with hooks on the end that is embedded in the masonry. Scanning before drilling is the best option for anchoring into concrete with rebar. Single expansion anchors come in six sizes, that refers to the inside diameter of the anchor, i.e. Choose from our selection of steel Anchor bolts in a wide range of styles and sizes. 1/2" x 16" Anchor Bolt; 1/2" x 10" Anchor Bolt; 1/2" x 8" Anchor Bolt; 1/2" x 6" Anchor Bolt; 3/4" x 15" Anchor Bolt; All these sizes of anchor bolts come in boxes of 10, 25, or 50 and they come with the nuts and washers also. The general rule is that lead fasteners are not suitable for old cement. Concrete is made up of up to 8% of air, 7% to 15% of cement, 14% to 21% of water, and 60% to 75% of fine and coarse aggregates. Blue Hawk 25-Pack 3-in x 0.1875-in Zinc-Plated Steel Light-Duty All-Purpose Anchor with Screws. Also, is this an environment that needs to change over time, known as a shock load. The embedded depth for headed anchor … Also, you want to keep in mind how heavy the weight that is being fastened is. Headed anchor bolts are also appropriate for giving a uniformed look to a project. Simpson Strong-Tie tested 5/8”- and 3/4”-diameter carbon-steel Titen HD® heavy-duty screw anchors for tilt-up wall brace applications. This means considering if the fixture of the load will be in an environment where constant vibrating will happen. When the load is fastened to the wall, the load is at a ninety-degree angle to the anchor.