The Simpson Easy-Set Pin-Drive Expansion Anchor is a carbon steel anchor engineered for medium- and heavy-duty fastening into concrete, concrete masonry unit (CMU), and brick. Its expansion-based holding mechanism delivers reliable, high-strength connections in demanding masonry applications, while a yellow-zinc dichromate plated finish provides a corrosion-resistant surface. The integrated nut and washer design eliminates the frustration of loose components, keeping installation straightforward from start to finish.

Key Features

• Integrated nut and washer - keeps all components together during handling and installation, reducing the risk of lost parts on the job site
• Expansion-based anchoring mechanism - creates a strong, secure connection to concrete, CMU, and brick base materials, making it suitable for structural and load-bearing masonry work
• Carbon steel construction with yellow-zinc dichromate plated finish - delivers durability and corrosion resistance appropriate for demanding fastening environments
• Compatible with a 1/2 in. drill bit - matches a standard, widely available bit size, so no specialty tooling is required to prepare the base material
• 3/4 in. wrench size - allows the anchor to be driven and set with common hand tools, keeping installation simple and efficient
• Precision hole sizing is critical - drilling to the correct 1/2 in. diameter ensures full expansion and maximum load capacity, protecting the integrity of the connection

Why This Product

• Versatile base material compatibility - engineered to provide reliable holding power in concrete, CMU, and brick, making this anchor a single solution across multiple common masonry substrates
• Simplified installation from the start - the integrated nut and washer mean fewer loose pieces to manage, helping keep work moving efficiently without interruption
• Built for medium- and heavy-duty demands - the expansion design is specifically intended for applications where connection strength and long-term holding power in masonry are non-negotiable
• Consistent, predictable performance - designed by Simpson to work precisely with a 1/2 in. drill bit and 9/16 in. minimum fixture hole, so installers know exactly what to expect before the first anchor is set

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: EZAC50234
• Anchor Type: Pin-Drive Expansion Anchor
• Diameter: 1/2 in.
• Length: 2-3/4 in.
• Thread Length: 1 in.
• Drill Bit Diameter: 1/2 in.
• Min. Fixture Hole: 9/16 in.
• Wrench Size: 3/4 in.
• Material: Carbon Steel
• Coating/Finish: Yellow-Zinc Dichromate Plated
• Packaging: Packs of 25 and Cartons of 125

Approved Applications

• Medium- and heavy-duty fastening into concrete
• Anchoring into concrete masonry unit (CMU)
• Fastening applications into brick base materials
• Structural connections requiring expansion-based holding power in masonry

Frequently Asked Questions

What base materials is the EZAC50234 anchor compatible with?

The Simpson Strong-Tie EZAC easy-set anchor provides holding power in concrete base materials including concrete, concrete masonry unit (CMU), and brick.

What size drill bit is required for installation?

A 1/2 in. drill bit is required to drill the hole in the base material. The minimum fixture hole size is 9/16 in., and a 3/4 in. wrench is needed to drive the anchor.

Does this anchor include a nut and washer?

Yes. The EZAC anchor features an integrated nut and washer, which helps keep all parts together and simplifies the installation process.

Are there any installation precautions I should be aware of?

Yes. Oversized holes in the base material will make it difficult to set the anchor and will reduce the anchor's load capacity. Always drill to the specified 1/2 in. diameter to ensure proper expansion and full holding strength.

Note: Product dimensions and/or thread length may differ from picture. Please refer to the specifications listed above for accurate product details.