Concrete Anchors. Good for wall hangings up to about 50 lb. Because anchor bolts are meant to be drilled into concrete, they are usually longer in size than many other types of bolts. in diameter. The advantage of the cast-in-place system is the enhanced anchorage properties available. Anchor bolts are generally used to attach steel metal to concrete. Types of Anchor Bolts. Rather, anchor bolts feature a unique design that allows for embedding inside of concrete. These types of heavy-duty bolts are often used in commercial settings that require a 90° anchor bolt that can support tremendous load capacities. Ideal for fast, reliable installations onto a variety of substrates such as epoxy or masonry paint. There are two types of undercut anchors. Cast-in anchors are of three (3) types, headed bolts, headed studs, and hooked bolts, installed in place prior to concrete placement. Anchor bolts have been extensively used over the world for connecting steel structures to concrete structures. The cylindrical portion of the bolt is known as the shank. There are four types of anchor bolts such as double-end rods with plate, L-shaped, headed, and swedge type. 2. Anchor bolts are bolts that are designed to be used to attach a structural member or component to a concrete slab or poured foundation. The evolving scope of Reference Standards, which have reclassified some anchors as “Code Anchors” that were previously considered “Alternative Materials” 4. Multiple Reference Standards for the design and qualification of different anchor types 3. Anchor bolts are created to connect structural components to concrete. Here are some of the most commonly used anchors and their functions: Wedge anchors: fasten fixtures to solid base material like concrete; Hollow wall anchors: lighter duty application, used to securely anchor items to brick, concrete and drywall Best uses: Concrete, concrete block, mortar and brick. Concrete anchors are ideal for securing custom metal carports to concrete foundations. Headed anchor bolts have a head on one end, usually hexagon- or square-shaped. All consist of a threaded end, to which a nut and washer can be attached for the external load. These anchors are also sometimes known as Molly bolts, and their maximum holding load is about 50 pounds. Concrete bolts provide a strong, secure hold for high load applications and can be used at small edge distance without damaging the material. A different type of anchor with specific styling, the Thunderbolt Eye is a self-tapping anchor which can be used in the following substrates: concrete, brick, marble, wood, block & stone. Drop-In Anchor – This is a female type anchor designed for use in solid concrete only. Anchor bolts are heavy duty fasteners designed to attach to concrete. Because anchor bolts are meant to be drilled into concrete, they are usually longer in size than many other types of bolts. With newer multi-residential wood frame structure being built on podium slabs and using post tension concrete, drill and epoxy is not a favorable option because of the potential of drilling into a tension cable. A drilled in bolt is drilled into already hardened concrete. Value Fasteners is an industry leading provider of structural and industrial 90° anchor bolts for your concrete support needs. These are basically large concrete screws, like Tapcons. Select from a wide variety of types of anchor bolts for concrete and deals. Comes in four diameters: 1/4”, 3/8”, 1/2”, 5/8” and 3/4”, with each diameter coming in only one length. A relatively new type of anchor bolt is the screw in type. The female anchor is placed in the concrete hole, and the bolt or screw is then inserted through the fixture into the female anchor. Get access to robust, galvanized, steel, metal and alloy types of anchor bolts for concrete at Alibaba.com to serve varied purposes. The standard type requires drilling the hole, followed by drilling the undercut with the special bit. For decades Williams Form Engineering Corp. has gained a world-wide reputation as the one source that contractors, designers, and owners consistently turn to in solving their most complex needs for high capacity concrete anchors. The first category of anchor bolts is “cast-in-place” anchor bolts. Perfect for cabling, these fixings adhere with concrete so you can run wire wherever you need for a clean, secure environment. Lag shields are made of two parts and when the lag screw is driven into the shield, it expands resulting in a tight wedge in the concrete. The sleeves pinch the sides of the predrilled hole and get tighter as you tighten the screw or bolt. Some common terms for these anchor bolts are wedge bolts, Titen anchors, high strength anchors, LDT or THD anchors.They are installed by drilling a pilot hole and driving in the screw/bolt. be matched with the strength of the concrete, which can affect the performance of the anchor by another factor of almost 3:1 ANCHOR FAILURE - With rare exception most anchor failures are caused by the operator, not the anchor. Being aware of the different types of bolts available will ensure that you use the correct fasteners for the job. There are several types … The anchor is driven into a predrilled hole in concrete and the split part of that anchor is squeezed as the anchor is set. The anchor bolt edge distance, l be, is measured in the direction of the applied load from the center of the anchor bolt to the edge of the masonry.When the projected areas of adjacent anchor bolts overlap, the portion of the overlapping area is reduced by one-half for calculating A pt or A pv as shown in Figure 3. In this article, you will learn about the types of nuts and bolts.A bolt contains two parts a shank and head. It’s one end is inserted into the concrete, and another end is threaded to connect structural support. A setting tool is often required. Female type anchors require the spotting of the hole. Get access to robust, galvanized, steel, metal and alloy concrete anchor bolts types at Alibaba.com to serve varied purposes. Cast-in-place anchor bolts are the simplest and most common type of fastener. There are two different types of installing anchor bolts. Confusing language in IBC sections that address concrete … Anchor bolts may be preset into place while the concrete structure is being cast, as with the plate used on top of the poured foundation of a … “[They] allow an anchor to be installed after the concrete has cured and allows more flexibility in the anchor location. The ACI 530.1-11 states that, the minimum effective embedment length need to be greater than 50.8mm or four times the diameter of the bolt disregard of the type of anchor bolt and type of the load which includes shear, axial tension, or combined axial tension and shear. Some of the most prevalent mistakes made are: 1. However, in many cases, such as in Alteration and Addition (A&A) works in Hong Kong, the concrete has already been cast and set and therefore the anchor bolts are normally post-installed. The bolts are hammeren into the drilled hole and fixing is done by torquing the nut. These concrete anchor bolts, or bolt anchors for wood, are available in several sizes and will hold up to 200 lbs. Finding the appropriate fastener for your structure requires the understanding of the different types. Fig.9: Effective Embedment Length for Headed Anchor Bolts. They don’t feature the same long shank with a flat tip as other bolts. Cast in place anchor bolts are put in before the concreate is poured. Bolt(s) with the head embedded in fresh concrete can later be … What types of fasteners work best for various environmental conditions? These types of anchors also expand as the screw is tightened and driven into the cavity. They’re great for fastening shelf brackets, towel bars, rake and shovel brackets, shower doors, pipe and conduit retainers, and most anything else lighter than 50 lbs. The head is made to be embedded into concrete to support bridge railings, poles, and columns. A Lag Shield Concrete Anchor is used in combination with a lag screw to create an anchor in concrete. The other type of anchor bolt is the drilled in bolt. The installation procedure for steel carports with concrete anchors involves drilling holes into the concrete foundation, placing the anchor into the hole and fastening the nut. The head is made to be embedded into concrete to support bridge railings, poles, and columns. How to use: When it is necessary to attach items to a concrete surface, concrete anchor bolts can be used for this purpose. Different Types of Concrete Anchors . Select from a wide variety of concrete anchor bolts types and deals. When to use Williams. Cast-in gives greater control, but less flexibility Headed bolts are cylindrical threaded steel bars terminated in the concrete either by an integral head or nut, either of which may include a washer or plate. These are often cast in place, with part of the bolt exposed so that the object can be attached to it, typically with a nut and washer. The concrete hardens and the bolt is in the proper place. This anchor is designed for overhead use using threaded. An anchor bolt is used to attach objects or structures to concrete. This anchor can be installed using a hammer or a drill and can be used with various wall thicknesses. Additional sealent may be required to seal the bolt in. Lag Shield Anchors are very similar to a drop in anchor but are designed specifically to take a lag screw. The shank is threaded at the tail end for a sufficient length so as to effectively engage with a nut. There are many types of anchor bolts, consisting of designs that are mostly proprietary to the manufacturing companies. 1. Ideal for fast, reliable installations onto a variety of substrates such as epoxy or masonry paint. Mike Steiber, senior product manager of mechanical anchor systems, Simpson Strong- Tie, Pleasanton, Calif., claims the most common type of concrete anchor systems are cast-in-placeJ-bolts. The HB03 Through bolt is used for all types of fixing attached to concrete walls with a minimum C20/25 quality. Final torque is achieved fast because the ring on the bolts is optimized to expand quickly. Anchor Bolts. Headed anchor bolts have a head on one end, usually hexagon- or square-shaped. Not fully expanding a drop-in anchor because the wrong setting tool was The pressure exerted from the anchor trying to resume its original shape is what gives the split drive anchor its holding values. An anchor bolt is a unique type of fastener that’s designed to secure an object or structural component to a concrete surface. The fastener or concrete is spotted prior to the concrete being poured. Concrete. Anchor bolts or anchor fasteners connect objects to a concrete surface, like a house foundation. Care Other anchor bolts are drilled into set concrete, and then held in … They can be either cast-in or post-installed. Concrete bolts provide a strong, secure hold for high load applications and can be used at small edge distance without damaging the material. Identify the toggle bolt … Don’t overtighten. When in place, the anchor uses the compressive strength of the concrete to resist the load, unlike a wedge anchor, which relies on the concrete's tensile strength. 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