Product Description
Simpson CSD25312 CSD 1/4 in. x 3-1/2 in. Zinc-Plated Split-Drive Anchor by Simpson Strong-Tie is a one-piece mechanical expansion anchor engineered for fast, secure installation into concrete, grout-filled block, and stone. As the anchor is driven into the pre-drilled hole, the split-type expansion mechanism on the working end compresses and exerts force against the walls of the hole, creating a reliable hold without the need for adhesives or secondary components. The countersunk head sits flush with the surface, making it ideal for attaching wood or light gauge steel to concrete and grout-filled block surfaces in dry, interior, and non-corrosive environments.
Key Features
- One-piece split-drive anchor with a built-in expansion mechanism on the working end
- Can be installed in concrete, grout-filled block, and stone
- Countersunk head allows for a flush, smooth surface finish after installation
- Made from zinc-plated carbon steel for corrosion resistance in appropriate environments
- Requires a 1/4 in. drill bit for installation
- For use in dry, interior, and non-corrosive environments only
- Trusted by specifiers and contractors for demanding structural applications
Specifications
- Manufacturer: Simpson Strong-Tie
- MPN: CSD25312
- Diameter: 1/4 in.
- Length: 3-1/2 in.
- Head Type: Countersunk Head
- Head Diameter: 1/2 in.
- Drill Bit Diameter: 1/4 in.
- Material: Carbon Steel
- Coating/Finish: Zinc Plated
- Packaging: Packs of 100 and Cartons of 400
- Country of Origin: Taiwan
Approved Applications
- Concrete base material
- Grout-filled block (grouted CMU)
- Stone
- Attaching wood to concrete or grout-filled block surfaces
- Attaching light gauge steel to concrete or grout-filled block surfaces
- Dry, interior, and non-corrosive environments only
Frequently Asked Questions
- What base materials can the Simpson CSD25312 Split-Drive Anchor be installed in?
- The CSD25312 can be installed in concrete, grout-filled block, and stone. It is not intended for use in hollow CMU or other unsupported base materials.
- What drill bit size is required for installation?
- A 1/4 in. diameter drill bit is required to prepare the hole before driving the CSD25312 anchor into the base material.
- Is the CSD25312 suitable for outdoor or corrosive environments?
- No. The CSD25312 is designed for use in dry, interior, and non-corrosive environments only. Its zinc-plated carbon steel construction is not rated for wet, exterior, or chemically corrosive conditions.
- How does the split-drive expansion mechanism work?
- As the anchor is driven into the pre-drilled hole, the split-type expansion mechanism on the working end compresses and exerts outward force against the walls of the hole, creating a secure mechanical hold within the base material.
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
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