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Types of Concrete Anchors

Cement Board Screw Anchor •••
Cement Board Screw Anchor •••

Drill 1/2-in. holes, insert the anchors and tighten the nuts to fasten a 2×6 ledger board to concrete block. Photo 7A: Close-up of sleeve anchor Big cousin of the smaller version shown above.

Expansion Anchor •••
Expansion Anchor •••

Some expansion anchors can be used only in solid concrete; others can be used in solid concrete, brick or block. The holding values of any expansion anchor are only as good as the quality and quantity of the base material into which it is placed.

Hollow Wall Anchor •••
Hollow Wall Anchor •••

Will the fastener be placed in (a) the mortar joint, (b) the solid section of the block or (c) the hollow section of the concrete block? Some applications may allow each fastener to be placed in the same part of the block while other installations require that each anchor is placed in different sections of the block.

image: ebay.com
Plastic Hollow Wall Plug •••
Plastic Hollow Wall Plug •••

Plastic hollow wall plug anchors require that you first drill a pilot hole. They're normally used in drywall or plaster for light-duty applications. When the screw is installed, the plug will expand and lock into place.

image: alibaba.com
Spring Anchors
Spring Anchors

Shop anchors in the fasteners section of Lowes.com. Find quality anchors online or in store.

source: lowes.com
Threaded Drywall Anchors •••
Threaded Drywall Anchors •••

expansion anchors and hollow wall anchors. 1) Expansion anchors are used in thick, solid materials... concrete, brick, mortar, metals or even wood. They work by expanding when a screw or bolt is threaded into them.

Toggle Bolt •••
Toggle Bolt •••

Sleeve anchors Best for medium-duty applications in concrete block. Length is measured from the washer to the end of the anchor. Sleeves pinch the side of the pilot hole and get tighter as the screw is driven into place. Toggle bolts Best for light to medium loads in hollow block.

source: homedepot.com
Winged Plastic Anchor •••
Winged Plastic Anchor •••

Winged plastic anchors are used for medium-duty applications and require pilot holes as well. A special tool is used to expand the wings after the anchor has been inserted. They offer twice as much strength as regular plastic expansion anchors.

image: alibaba.com

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