CONFAST 3/8 in x 3-3/4 in Galvanized Wedge Anchor (Box of 50)

In this review the CONFAST 3/8 in x 3-3/4 in Galvanized Wedge Anchor is assessed for contractors, homeowners and hobbyists who need reliable concrete anchoring. The bottom line: this boxed set of 50 anchors stands out because the galvanized finish and complete packaging with nuts and washers let users finish installations quickly and resist corrosion in damp environments. For anyone fastening lumber, steel or fixtures to concrete where a 3/8 in hole and firm embedment are acceptable, this anchor is a practical choice.

Key Features

• Galvanized coating: Provides corrosion resistance for use in damp environments so anchors maintain strength over time.
• Complete kit: Packaged with nuts and washers so each anchor can be installed right away without sourcing extra hardware.
• Consistent sizing: Hole size matches anchor size (3/8 in) which simplifies layout and drilling for faster, repeatable installs.
• Designed for concrete: Made from galvanized carbon steel and intended solely for concrete base material to ensure correct load behavior.
• Thread length: With 2-1/2 in of thread, there is ample engagement for bolting fixtures while preserving the required embedment.

Who It's For

The CONFAST wedge anchors are aimed at builders, remodelers and DIYers who regularly attach framing, equipment or fixtures to concrete surfaces and need a boxed supply for multiple fastenings. They are particularly useful where a damp environment could otherwise accelerate rust on uncoated anchors and where having nuts and washers included speeds job completion.

These anchors are not intended for use in concrete block, brick or hollow masonry; anyone working primarily with those materials should choose anchors specified for those substrates. Also, projects that require an embedment deeper than the minimum 1-1/2 in or a different hole diameter should evaluate other lengths or diameters.

Pros & Cons

Pros

• Galvanized finish increases durability in moist conditions, supporting long-term performance.
• Supplied with nuts and washers for fast, complete installation without extra parts hunting.
• Straightforward installation: hole diameter equals anchor diameter which reduces installation errors.
• Box of 50 provides good value for multiple fastenings and larger projects.

Cons

• Designed only for concrete; not suitable for block or brick base materials, limiting substrate versatility.
• Minimum embedment of 1-1/2 in may be restrictive for very shallow anchoring needs.

Specifications

Brand	CONFAST
Anchor diameter	3/8 in
Anchor length	3-3/4 in
Thread length	2-1/2 in
Minimum embedment	1-1/2 in
Material/finish	Galvanized carbon steel
Package quantity	Box of 50 (with nuts and washers)

Our Verdict

For anyone anchoring into concrete who wants straightforward installation and added corrosion protection, the CONFAST 3/8 in x 3-3/4 in galvanized wedge anchor is a sensible, cost-effective choice. The included nuts and washers and consistent sizing make it convenient for repetitive jobs, while the galvanized finish improves longevity in damp locations.

Frequently Asked Questions

Can these anchors be used in brick or block?
No. These wedge anchors are designed for use in concrete only and should not be used in block or brick base materials.

What drill bit is required?
Drill a 3/8 in hole using a carbide tipped bit meeting ANSI standards in a hammer drill for proper installation.

Is the finish suitable for damp environments?
Yes. The galvanized carbon-steel finish helps prevent rusting and is intended for damp environment use.