The Simpson Crimp Drive 3/16 in. x 2-1/2 in. Zinc-Plated Countersunk Head Anchor is a reliable, easy-to-install expansion anchor engineered by Simpson for use in concrete and grout-filled block. A preformed curvature along the shaft acts as a built-in expansion mechanism, gripping the base material securely the moment the anchor is driven in place - no secondary tightening procedure required. The countersunk head delivers a flush, zero-profile finish, making this anchor well suited for fastening wood or light-gauge steel, attaching concrete formwork, and supporting overhead installations such as sprinkler pipes and suspended ceiling panels.

Key Features

• Unique curved shaft design - creates a secure, self-expanding hold in concrete and grout-filled block without any post-installation adjustment
• No secondary tightening required - the built-in expansion mechanism speeds up anchor installation and reduces labor time on the job
• Countersunk head style - sits flush with or below the fastened surface, providing a zero-profile solution for applications where a clean finish matters
• Zinc-plated carbon-steel construction - combines solid structural integrity with a protective coating suited for interior concrete and masonry applications
• Five available head styles - the Crimp Drive anchor line accommodates a range of tasks, from securing light-gauge steel to hanging overhead pipe and ceiling support

Why This Product

• Faster installation, fewer steps - because the curved shaft expands on contact with the base material, there is no need to return to each anchor for a tightening pass, keeping projects moving efficiently
• Flush finish for demanding applications - the countersunk head eliminates surface protrusion, making this expansion anchor a practical choice wherever a low-profile result is required, such as formwork attachment or flush panel fastening
• Versatile across common concrete and masonry tasks - approved for fastening wood and light-gauge steel, attaching concrete formwork, and supporting overhead loads like sprinkler pipes and suspended ceiling panels, covering a broad range of construction needs with one anchor solution
• Trusted Simpson engineering - designed and produced by Simpson, a recognized name in structural fastening, this crimp drive anchor reflects a purpose-built approach to secure, repeatable anchorage in concrete and grout-filled block

Specifications

• Model Number: CD18212C
• Size: 3/16 in. x 2-1/2 in.
• Head Type: Countersunk Head
• Material: Carbon Steel
• Coating: Zinc Plated
• Finish: Zinc Plated
• Packaging: Packs of 100 and Cartons of 500

Approved Applications

• Fastening wood or light-gauge steel to concrete and grout-filled block
• Attaching concrete formwork
• Hanging overhead support for sprinkler pipes
• Supporting suspended ceiling panels

Frequently Asked Questions

What base materials is the Simpson Strong-Tie CD18212C Crimp Drive anchor designed for?

The CD18212C Crimp Drive anchor is designed for use in concrete and grout-filled block, making it suitable for a wide range of structural and light construction applications.

How does the Crimp Drive anchor stay secure without a secondary tightening step?

The anchor features a preformed curvature along its shaft that acts as a built-in expansion mechanism. When driven into the drilled hole, this curved shaft design expands to grip the base material securely, eliminating the need for any additional tightening procedure after installation.

What is the benefit of the countersunk head on the CD18212C?

The countersunk head style provides a zero-profile solution, meaning the anchor sits flush with or below the surface of the material being fastened. This is ideal for applications where a smooth, low-profile finish is required.

What material and finish is the CD18212C anchor made from?

The CD18212C is constructed from carbon steel with a zinc-plated finish, which provides a layer of corrosion resistance suitable for the anchor's intended installation environments.