Fasteners
Anchors
Simpson Strong-Tie
$8-$35 per packMasonry Anchors for Concrete and Block Construction
Masonry anchors expand inside pre-drilled holes in concrete, brick, and block to create strong, permanent mechanical connections. Available in sleeve, wedge, and drop-in styles for everything from light fixtures to heavy structural loads.
Key Features
- Expansion mechanism grips inside masonry
- Sleeve wedge and drop-in styles
- Heavy-duty load capacity
- Galvanized and stainless options
- Easy bolt-through installation
Specifications
Material: Carbon steel
galvanized
or stainless | Types: Sleeve
wedge
drop-in
hammer-set | Diameters: 1/4in to 3/4in | Lengths: 1-1/4in to 10in
Best For
Post base to concrete connections
Sill plate anchoring
Heavy equipment mounting
Structural bracket attachment
Compatible Materials
Poured concrete
Concrete block (CMU)
Brick
Stone
Pros & Cons
Pros
- ✓ Very high pull-out resistance
- ✓ Multiple types for different applications
- ✓ Handles heavy structural loads
- ✓ Permanent reliable connection
Cons
- ✗ Cannot be easily removed
- ✗ Require precise hole drilling
- ✗ Not ideal for hollow block
- ✗ Over-expansion can crack concrete
Installation Tips
Use the exact drill bit diameter specified. Clean dust from hole before insertion. Tighten to specified torque - over-tightening can crack concrete.
Frequently Asked Questions
Wedge anchors provide highest load capacity in solid concrete. For hollow block use sleeve anchors or toggle bolts.
Most expansion anchors cannot be fully removed - the expanding portion stays in the hole. The bolt can be cut flush.