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Which is stronger wedge or sleeve anchor?

Sleeve anchors are fairly simple to use and are primarily used in brick or block. They can be used in concrete but are not considered as strong as a wedge anchor. So, for light to medium holding applications, a sleeve anchor is a good choice. There are two common types of sleeve anchors.

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Types Of Masonry Anchors

There are many types of masonry anchors available today. The problem for many is determining which of these anchors they need to perform the job. Listed below are some of the more common fasteners found in the masonry field.

Drop In Anchors

A Masonry Drop In Anchor is mostly used in poured concrete. They are used in high strength applications by fastening a bolt into the internal threading of the anchor. They are also available in coil threading (a coarser thread for coil threaded rod). Some masonry anchors have a lip to prevent the anchor from dropping too far into the concrete. To install the drop in anchor, drill a hole the same diameter as the anchor and only as deep as the anchor itself. Then drop the anchor into the hole and seat the setting tool inside of it. Then hit the setting tool with a hammer. The bottom portion of the anchor will deform resulting in a wedged anchor that cannot be removed.

Lag Shield Anchors

A Lag Shield Concrete Anchor is used in combination with a lag screw to create an anchor in concrete. 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. Lag Shield Anchors are very similar to a drop in anchor but are designed specifically to take a lag screw. Lag screw anchors also do not require a setting tool to install.

Masonry Concrete Screws

Masonry Concrete Screws, sometimes referred to as Tapcons, are probably the most common concrete fastener used. Concrete screws are easy to identify based on their bright blue coating. They are used for fastening wood or metal to different masonry materials. They are available in both Phillips flat head (for flush finishes) and hex head (for ease of installation). Installing a concrete screw is very simple. First, drill a hole through both materials and then simply drive the screw into the hole. Make sure you use a screw that is long enough to reach through both materials otherwise you will not have a firm hold.

Sammys Hanging Anchors

Sammys Screws are a common anchor used for hanging applications. Most often installed vertically or horizontally, these anchors have a threaded opening used to receive threaded rod. Sammys are commonly used in HVAC applications for hanging duct. The term Sammys, much like Tapcon, is a brand name. There are many types of these hanging anchors available. To install a Sammys screw, first drill a hole into the material and use a wrench or socket to drive the anchor into the material. Once installed to the silver head, remove the wrench and screw in a piece of threaded rod.

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A Hammer Driven Pin Anchor is a small anchor which is mostly used to fasten plywood to concrete. These anchors are very simple to use. They have a lip over the head making it compatible with holes that may have accidentally been driven too far into the material. To install one of these pin anchors, drill a hole through both materials and drop the anchor into the hole. Once the lip is seated against the top of the material, hit the exposed pin with a hammer. The pin is driven down through the middle of the fastener pushing both sides out in a wedge fashion holding the fastener in place.

Toggle Wing Anchors

A Toggle Wing Anchor is used when a hollow wall is present. This is common when cinder blocks are used to create the walls of a building. They are also commonly used in drywall applications. It is not recommended to use heavy weight on these anchors especially in drywall as they will rip through the material. To install one of these anchors, first a hole must be drilled big enough for the toggle portion of the anchor to push though. Once in the hollow part of the wall, the toggle wing will expand. Then using either a Phillips or Slotted head screwdriver, the bolt is driven into the toggle wing pulling it against the other side of the wall. This allows the bolt to tighten down on the material being hung.

Double Expansion Shield Anchor

Double Expansion Shield Anchors are used primarily used in brick and block. As a screw is driven into the anchor, it starts to pull down towards the middle resulting in an expanded anchor. These anchors only expand so much. The reason for this is to prevent brick from cracking. To install a double expansion shield anchor, simply drill a hole large enough for the anchor to drop into and then install the screw into the anchor. As you fasten the screw it will pull the bottom towards the middle and force the top down to the middle as well. The result it a limited but effective amount of expansion on the anchor. The limit of expansion highly reduces the chance of cracking brick or block.

Sleeve Anchors

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Sleeve anchors are fairly simple to use and are primarily used in brick or block. They can be used in concrete but are not considered as strong as a wedge anchor. So, for light to medium holding applications, a sleeve anchor is a good choice. There are two common types of sleeve anchors. They are the Nut Drive which is commonly used for extra strength and Phillips/Slotted Combo Driven Flat Head which is used when a flush surface is required. To install the nut driven style, drill a hole and place the sleeve anchor into the hole. Then place the washer and nut onto the exposed threading and begin fastening the nut. As the anchor is pulled up out of the concrete, the sleeve around it begins to expand wedging the anchor into place inside the hole. You can install the Combo Flat head style in much the same way except you are using a Phillips drive and the installation will leave the top flush with the surface of the installation material.

Wedge Anchors

Wedge Anchors are extremely popular and are one of the strongest anchors for hold strength. Wedge anchors look and function like a sleeve anchor but have a much smaller sleeve near the bottom of the anchor. To install a wedge anchor simply drill a hole that is the same size diameter as the anchor and place it into the hole. After placing the material being held to the concrete on the exposed portion, place the washer and thread the fastener onto the anchor. As the nut is tightened against the washer, it will begin pulling the anchor up. This will result in the wedge skirt catching the concrete and expanding and digging into the concrete as the anchor is pulled. Looking For More Blogs Like This One? Sign up to get new blogs sent directly to your inbox! Email * First Name * Last Name * Select list(s) to subscribe to Blog Sign-Ups Example: Yes, I would like to receive emails from Albany County Fasteners. (You can unsubscribe anytime) Constant Contact Use. Please leave this field blank. By submitting this form, you are consenting to receive marketing emails from: RAW PRODUCTS CORP, 100 Newfield Ave., Edison, NJ, 08837, https://www.albanycountyfasteners.com. You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact

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