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

Our review of the CONFAST 1/2 in x 8-1/2 in Galvanized Wedge Anchor finds it best suited for installers and DIYers who need reliable concrete anchoring with corrosion resistance. The single biggest reason to buy is the galvanized finish that helps prevent rusting in damp environments while the package includes nuts and washers for a complete, fast installation. This review focuses on real-world installation notes, materials suitability, and the anchor's practical strengths and limitations when used in concrete only.

Key Features

• Galvanized finish: The zinc coating helps protect the anchor from corrosion in moist or damp conditions, extending service life compared with plain carbon-steel fasteners.
• Complete kit: Each anchor is packaged with nuts and washers so a single box provides everything needed for immediate installation without separate hardware purchases.
• Hole size matches anchor size: Using a 1/2 in drill bit simplifies preparation because the bit diameter and anchor diameter are the same, reducing measurement errors.
• Designed for concrete: The wedge anchor is engineered specifically for concrete base material, delivering strong hold when installed to the specified embedment depth.
• Wide range of sizes: Available in many lengths and diameters so installers can select the right fastener for different embedment and load needs.

Who It's For

The CONFAST wedge anchor is ideal for contractors, metal fabricators, and homeowners who need to secure steel, treated lumber, or equipment to concrete. It works well for applications such as attaching base plates, structural brackets, or quonset hut walls where a corrosion-resistant anchor and included hardware streamline the job.

Those who should look elsewhere include installers working in masonry, brick, or concrete block, since the product is specified for concrete only. If stainless steel corrosion resistance is required for harsh marine environments, choose a stainless anchor rather than a galvanized one.

Pros & Cons

Pros

• Galvanized coating provides visible corrosion protection for damp environments.
• Includes nuts and washers for fast, complete installation without separate parts.
• Easy installation process because the required hole diameter equals the anchor diameter.
• Good value for a box of 25 when multiple anchors are needed for a project.

Cons

• Limited to concrete base material and not suitable for block or brick installations.
• Galvanized finish is protective but not as corrosion resistant as stainless steel for severe exposures.

Specifications

Anchor diameter	1/2 in
Anchor length	8-1/2 in
Thread length	4 in
Minimum embedment	2-1/4 in
Material	Galvanized carbon steel
Quantity	Box of 25 with nuts and washers
Base material	Concrete only

Our Verdict

The CONFAST 1/2 in x 8-1/2 in Galvanized Wedge Anchor is a practical, value-minded choice for concrete anchoring where damp-resistance and included hardware matter. Installers who need reliable hold in concrete and the convenience of nuts and washers in one box will find this anchor a sensible buy; choose a different material or anchor type for block, brick, or very aggressive corrosion environments.

Frequently Asked Questions

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

What drill bit should be used?
Use a 1/2 in carbide tipped bit that meets ANSI standards and a hammer drill to achieve the required hole diameter and depth.

Does the box include nuts and washers?
Yes. The anchors are packaged with nuts and washers so each anchor can be installed immediately without purchasing separate hardware.