Concrete anchor bolts are the foundation of any secure fastening to masonry, and choosing the right type for the application makes the difference between a lasting installation and a failure. The five picks below cover the most commonly needed anchor types and are evaluated on holding strength, ease of installation, material quality, packaging value, and suitability across concrete, block, and masonry applications.
| Product | Best For | Rating |
|---|---|---|
| Simpson Strong-Tie Titen HD | High-load structural anchoring | 4.8/5 |
| Red Head Wedge Anchors | General structural concrete fastening | 4.7/5 |
| ITW Ramset E/A Sleeve Anchors | Block, brick, and hollow masonry | 4.6/5 |
| Hillman Anchor Bolt Assortment | Mixed-size DIY projects | 4.4/5 |
| Powers Fasteners Power-Stud+ | Code-compliant structural use | 4.7/5 |
Simpson Strong-Tie Titen HD — Best for High-Load Structural Anchoring
Simpson Strong-Tie’s Titen HD is a screw anchor rather than a traditional expansion anchor, threading directly into concrete with a carbide tip that creates its own thread path during installation. This design eliminates the expansion stress that can crack concrete near slab edges or near other fastening points, making it safer for critical structural connections. The Titen HD is ICC-approved for seismic and wind applications, which matters for decks, ledger boards, and structural framing connections where code compliance is required. Installation requires a hammer drill and the appropriate bit size. Removal and reinstallation in a new hole is possible, which expansion anchors cannot accommodate.
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Red Head Wedge Anchors — Best General-Purpose Structural Concrete Anchors
Red Head wedge anchors are a reliable choice for the broadest range of general structural applications in solid concrete: machinery bases, handrail posts, equipment anchoring, and similar connections. The zinc-plated carbon steel construction provides adequate corrosion resistance for most dry interior and sheltered exterior uses. Hot-dip galvanized versions are available for wet and outdoor exposed applications. Packaging typically includes the anchor, nut, and washer as a complete set. Installation requires drilling a hole matching the anchor diameter, inserting the anchor, and tightening the nut until the wedge expands and locks. Red Head wedge anchors are widely distributed and replacement parts are easy to source.
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ITW Ramset Sleeve Anchors — Best for Block, Brick, and Hollow Masonry
Sleeve anchors from ITW Ramset are designed for reliable fastening across a wider range of masonry materials than wedge anchors, including hollow concrete block, brick, and stone where the tapered wedge mechanism of a standard wedge anchor would fail to seat properly. The expanding sleeve distributes load over a longer contact area, which reduces stress concentration in brittle or hollow materials. Available in hex bolt, flat head, and round head configurations to suit different installation clearance requirements. The flush-mount options are useful where bolt protrusion is a concern. A solid first choice for non-structural concrete block wall applications like shelving supports, conduit anchors, and equipment mounting on CMU walls.
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Hillman Anchor Bolt Assortment — Best for DIY Mixed-Size Projects
The Hillman anchor bolt assortment kit is the practical choice for homeowners and DIYers who encounter varied fastening needs without wanting to purchase individual boxes of each size. Kits typically include a mix of 1/4”, 5/16”, and 3/8” diameter wedge and sleeve anchors in multiple lengths. The packaging organizes sizes in separate compartments for easy selection at the job site. Holding strength per anchor is adequate for non-structural household applications like fence post base plates, landscape edging, mailbox posts, and utility shelving. The assortment format does limit the quantity of each size, so larger projects should purchase individual-size boxes instead.
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Powers Fasteners Power-Stud+ — Best Code-Compliant Structural Anchor
Powers Fasteners’ Power-Stud+ is an engineered wedge anchor with published load values and code listings for use in structural applications requiring documented performance. The torque-controlled expansion mechanism provides consistent installation results and the anchor is listed under ICC-ES for use in both cracked and uncracked concrete. This matters for building permit applications where inspectors require proof of anchor suitability. The 316 stainless steel option handles aggressive environments including coastal and chemical exposure applications. For any project where a structural engineer has specified anchors or where building department review is involved, the available load tables and listings make the Power-Stud+ the correct selection.
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How to Choose Concrete Anchor Bolts
Match anchor type to base material first. Solid poured concrete supports wedge anchors and screw anchors. Hollow concrete block and brick require sleeve anchors. Confirm the minimum embedment depth will be achievable given your base material thickness. For structural applications like deck ledgers, handrails, or equipment tie-downs, use anchors with published load values and check that the values meet your connection requirements. For all applications, check edge distance and spacing requirements, placing anchors too close to slab edges or to each other reduces holding capacity significantly. Use a hammer drill rather than a standard rotary drill for cleaner, correctly sized holes.
For related reading, see best concrete anchors for gun safes and best concrete acid stain products. Review our evaluation criteria at /methodology.
Frequently asked questions
What is the difference between a wedge anchor and a sleeve anchor?+
A wedge anchor uses a clipping wedge that expands against the sides of the drilled hole as the nut is tightened, creating very high pullout resistance suited to structural applications. A sleeve anchor uses an expanding sleeve that grips the hole walls when the bolt is tightened, and it works in both solid concrete and hollow masonry. Wedge anchors are stronger in solid concrete. Sleeve anchors are more versatile across material types including block and brick where wedge anchors are not suitable.
How deep should a concrete anchor bolt hole be drilled?+
The hole depth should be at least the anchor's minimum embedment depth plus the thickness of the material being fastened, plus a small additional clearance at the bottom. Most manufacturers specify a minimum embedment depth on the packaging, typically between 2.5 and 3.5 inches for common anchor diameters. Drilling to exactly the minimum embedment depth is not recommended since debris at the bottom of the hole can prevent full insertion. Always blow out the hole with compressed air before setting the anchor.