The Simpson Titen HD 3/4 in. x 8-1/2 in. Heavy-Duty Screw Anchor is a high-strength carbon steel screw anchor engineered for structural anchoring in both cracked and uncracked concrete and masonry. Qualified for performance under static and seismic loading conditions, this anchor's self-undercutting, non-expansion design allows reliable load transfer even at reduced edge distances and spacings - making it a dependable choice for demanding structural applications. Its zinc-plated finish and specialized heat-treating process combine durability with ease of installation for permanent dry interior environments or temporary outdoor use.

Key Features

• Qualified for static and seismic loading in cracked and uncracked concrete - gives contractors and engineers confidence that the anchor meets the performance demands of structurally critical and code-sensitive installations.
• Self-undercutting, non-expansion thread design - efficiently transfers load to the base material while reducing stress on surrounding concrete, making the anchor suitable at reduced edge distances and spacings where other anchor types may not qualify.
• No special drill bit required - installs with standard-sized ANSI tolerance drill bits, saving time on the job site and eliminating the need for specialized tooling.
• Hex-washer head design - eliminates the need for a separate washer, simplifying installation and delivering a clean, finished appearance once set.
• Specialized heat-treating process on carbon steel - creates tip hardness for cleaner cutting action during installation without sacrificing the ductility needed for structural performance.
• Zinc-plated finish - provides corrosion resistance suitable for permanent dry interior environments or temporary exterior applications, extending the anchor's service life in appropriate conditions.
• Single-use design - the anchor is intended for one installation only; reinstalling it may cause excessive thread wear and reduce load capacity, so each anchor should be set once and left in place.

Why This Product

• Dual-condition concrete qualification - unlike anchors rated only for uncracked concrete, the Titen HD is tested and qualified for both cracked and uncracked concrete under static and seismic conditions, reducing the need to source different anchors for different site conditions.
• Simplified installation without sacrificing structural performance - the anchor's compatibility with standard ANSI tolerance drill bits and its integrated hex-washer head mean fewer tools and fewer components to manage, while still delivering the load transfer performance structural applications demand.
• Optimized for tight spacing and edge constraints - the self-undercutting, non-expansion characteristics allow use at reduced edge distances and spacings, offering more flexibility in layout planning for concrete and masonry anchoring projects.
• Heat-treated carbon steel construction - the specialized tip-hardening process enables cleaner cutting during installation while maintaining the ductility required for structural applications, making the anchor well-suited for heavy-duty concrete anchoring tasks.

Specifications

• MPN: THD75812H
• Brand: Simpson Strong-Tie
• Diameter: 3/4 in.
• Length: 8-1/2 in.
• TPI: 2-1/4
• Material: Carbon Steel
• Coating: Zinc Plated
• Finish: Zinc Plated
• Head Type: Hex-Washer Head
• Recommended Fixture Hole Size: 7/8 in. to 15/16 in.
• Base Material Compatibility: Cracked and uncracked concrete, masonry
• Packaging: Packs of 5 and Cartons of 40

Approved Applications

• Structural anchoring in cracked and uncracked concrete
• Masonry anchoring applications
• Applications subject to static loading conditions
• Applications subject to seismic loading conditions
• Installations requiring reduced edge distances and spacings
• Permanent dry, interior non-corrosive environments
• Temporary outdoor applications

Frequently Asked Questions

Can the Titen HD anchor be used in cracked concrete?

Yes. The Titen HD is specifically designed and tested for optimum performance in both cracked and uncracked concrete under static and seismic loading conditions. Its self-undercutting, non-expansion characteristics make it suitable for these demanding structural applications.

Does installing the Titen HD require a special drill bit?

No special drill bit is required. The Titen HD screw anchor is designed to install using standard-sized ANSI tolerance drill bits, simplifying the installation process and reducing the need for specialized tooling.

Can the Titen HD anchor be removed and reinstalled?

No. The Titen HD screw anchor should be used one time only. Installing the anchor multiple times may result in excessive thread wear, which can reduce load capacity and compromise the integrity of the connection.

Is the Titen HD suitable for outdoor use?

The zinc-plated carbon steel Titen HD anchor is recommended for permanent dry, interior non-corrosive environments or temporary outdoor applications. It is not intended for permanent exterior or highly corrosive environment use in this zinc-plated configuration.

Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.