CONFAST 5/8 in x 4-1/2 in Galvanized Wedge Anchor (Box of 25)

Our review of the CONFAST 5/8 in x 4-1/2 in Galvanized Wedge Anchor finds it best for contractors and DIYers who need a straightforward, corrosion-resistant anchor for concrete work; the single biggest reason to buy is the galvanized finish combined with complete hardware that makes installations fast and durable in damp conditions. The review focuses on real installation details, compatibility limits, and user-reported strengths so you can decide whether this box of 25 anchors fits your project needs.

Key Features

• Galvanized finish: Helps prevent rusting in moist or damp environments so anchors maintain integrity over time.
• Packaged with nuts and washers: Arrives ready for immediate installation, saving time and ensuring a complete fastening kit for each anchor.
• Hole size equals anchor size: The 5/8 in hole requirement simplifies drill bit selection and reduces installation confusion.
• Designed for concrete only: Optimized for solid concrete substrate to deliver reliable holding strength when installed to the specified embedment.
• Wide range of sizes available: Choosing a correct length and diameter is simple since the product line covers common anchor sizes for different load needs.
• Carbon steel construction: Provides the strength expected for medium to heavy-duty anchoring tasks when used as instructed.

Who It's For

The CONFAST wedge anchor is well suited for contractors, framers, and homeowners anchoring steel, wood, or equipment to concrete where a durable, galvanized fastener is required. It works particularly well for overhead or load-bearing attachments when the specified 2-3/4 in embedment can be achieved and a hammer drill with a 5/8 in carbide bit is available.

Those who should look elsewhere include installers who need anchors rated for hollow block or brick, or jobs that require stainless steel for prolonged exposure to coastal salt spray. If you need a specialty anchor for masonry other than concrete, choose a product designed for that substrate.

Pros & Cons

Pros

• Galvanized coating offers measurable protection against corrosion in damp environments.
• Comes with nuts and washers for quick, complete installations without sourcing extra hardware.
• Straightforward sizing rule-drill a 5/8 in hole for a 5/8 in anchor-reduces installation errors.
• Customers report good value and solid anchor strength for attaching treated lumber and quonset hut walls.

Cons

• Designed only for concrete; not suitable for block, brick, or hollow materials.
• Stability reports are mixed in some use cases, so for critical structural loads confirm embedment and installation torque requirements.

Specifications

Anchor diameter	5/8 in
Overall length	4-1/2 in
Thread length	2-3/4 in
Minimum embedment	2-3/4 in
Material	Galvanized carbon steel
Pack quantity	Box of 25
Base material	Concrete only

Our Verdict

The CONFAST 5/8 in x 4-1/2 in Galvanized Wedge Anchor is a practical, value-minded choice for anchoring into concrete when corrosion resistance and complete hardware are priorities. It is recommended for general construction and repair tasks where a reliable, ready-to-install anchor is needed, though installers must avoid using it in block or brick and should ensure proper embedment for maximum stability.

Frequently Asked Questions

Can these anchors be used in block or brick?
They are designed for concrete only and should not be used in block or brick base material.

What drill bit do I need?
Use a 5/8 in carbide tipped bit that meets ANSI standards in a hammer drill to achieve the required hole diameter.

Are nuts and washers included?
Yes, each anchor is packaged with nuts and washers for a complete installation.