Product Description
The Simpson Strong-Tie CSD 1/4 in. x 3 in. Countersunk Split-Drive Anchor is a one-piece mechanical expansion anchor engineered for fast, reliable installation into concrete, grout-filled block, and stone. As the anchor is driven into a pre-drilled hole, its split-type expansion mechanism compresses and exerts outward force against the walls of the hole, creating a secure hold without the need for adhesives or setting tools. The countersunk head sits flush with the surface, making it ideal for attaching wood or light gauge steel to concrete and grout-filled block without leaving a raised profile.
Key Features
- One-piece split-drive design with a built-in expansion mechanism that activates upon installation
- Countersunk head allows for a smooth, flush surface finish after installation
- Constructed from zinc-plated carbon steel for corrosion resistance in appropriate environments
- Compatible with concrete, grout-filled block, and stone base materials
- Requires a 1/4 in. drill bit for hole preparation
- Intended 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: CSD25300
- Anchor Diameter: 1/4 in.
- Length: 3 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
- Grout-filled block
- Stone
- Dry, interior, and non-corrosive environments only
Frequently Asked Questions
- What base materials are compatible with the CSD25300 Split-Drive Anchor?
- The CSD25300 is designed for installation into concrete, grout-filled block, and stone. It is not intended for hollow CMU or other non-solid base materials in this configuration.
- What size drill bit is required to install the CSD25300?
- A 1/4 in. diameter drill bit is required to prepare the hole for this anchor prior to driving it into place.
- Is the CSD25300 suitable for outdoor or high-moisture environments?
- No. The CSD25300 is rated for use in dry, interior, and non-corrosive environments only. It should not be used in outdoor, wet, or chemically aggressive 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 against the walls of the hole, generating outward force that holds the anchor securely in place without the need for adhesives or setting tools.
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
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