CONFAST 1/2 in x 3-3/4 in Galvanized Wedge Anchor (Box of 25)
CONFAST 1/2 in x 3-3/4 in Galvanized Wedge Anchor (Box of 25)
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In this review the CONFAST 1/2 in x 3-3/4 in Galvanized Wedge Anchor is evaluated for contractors and DIYers who need a dependable concrete fastener. The bottom line: this boxed set of 25 anchors is best for projects requiring corrosion resistance in damp conditions and straightforward installation. The anchors come packaged with nuts and washers and use a hole diameter equal to the anchor size, which simplifies setup. For anyone anchoring structural or framing elements to concrete, the combination of galvanization and included hardware makes these anchors a practical, time-saving choice.
Key Features
- Galvanized finish: The zinc coating helps prevent rusting in damp environments so outdoor and semi-exposed installations hold up longer.
- Complete hardware: Packaged with nuts and washers for a fast, complete installation without hunting for compatible parts.
- Straightforward hole sizing: Hole size equals anchor size, so you only need a 1/2 in carbide tipped bit for a consistent, simple drilling process.
- Designed for concrete: Made of galvanized carbon steel and intended specifically for concrete, delivering the shear and tensile strength expected of a wedge anchor.
- Sufficient thread length: With 2-1/4 in of threaded shank, the anchor provides adjustment range for varying material thickness while still meeting embedment requirements.
Who It's For
This product is aimed at professional contractors, metal fabricators, and serious DIYers who need reliable anchors for concrete-only applications such as mounting posts, machinery bases, or treated lumber to slab. Users who value a boxed quantity of matching nuts and washers will appreciate the convenience on job sites.
Those who should look elsewhere include anyone needing anchors for block or brick, since these wedge anchors are explicitly not for those base materials, and people who require stainless steel for marine environments where galvanization alone is insufficient.
Pros & Cons
Pros
- Galvanized coating provides corrosion resistance suitable for damp environments and outdoor use.
- Includes nuts and washers, reducing time spent sourcing compatible fasteners on site.
- Simplified installation because the hole diameter is the same as the anchor diameter, making drill bit selection easy.
- Customers report good quality, strength, and value for money in common applications like attaching treated lumber and quonset hut walls.
Cons
- Designed for concrete only, so it is not suitable for block or brick base materials.
- Galvanized carbon steel may not meet requirements for highly corrosive marine conditions where stainless steel is preferred.
Specifications
| Anchor diameter | 1/2 in |
| Anchor length | 3-3/4 in |
| Thread length | 2-1/4 in |
| Minimum embedment | 2-1/4 in |
| Hole diameter required | 1/2 in carbide tipped bit |
| Material | Galvanized carbon steel |
| Package quantity | Box of 25 with nuts and washers |
Our Verdict
The CONFAST 1/2 in x 3-3/4 in Galvanized Wedge Anchor is a sensible choice for concrete anchoring where corrosion resistance and quick installation matter. It offers practical value with included nuts and washers and performs well for structural and framing tasks on concrete slabs, making it a dependable, cost-effective option for contractors and experienced DIYers.
Frequently Asked Questions
Can these anchors be used in brick or block?
They are designed for concrete only and should not be used in brick or block base materials.
What drill bit should be used?
Use a 1/2 in carbide tipped bit that meets ANSI standards in a hammer drill to achieve the correct hole size.
Are nuts and washers included?
Yes, each box comes packaged with nuts and washers for a complete installation.
Editor's Take
The CONFAST 1/2 in x 3-3/4 in Galvanized Wedge Anchor is a practical, cost-effective concrete fastener that includes nuts and washers, offers corrosion resistance, and simplifies installation for contractors and experienced DIYers.

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