The Simpson Titen HD 1/4 in. x 3 in. Type 316 Stainless Steel Heavy-Duty Screw Anchor is a premium concrete and masonry anchoring solution engineered to deliver fast, efficient installation alongside long-lasting corrosion resistance in the most demanding environments. Built with an innovative carbon-steel thread that undercuts the base material and a Type 316 stainless steel body, this heavy-duty screw anchor is the optimal choice when installations face salt water exposure, chemical contact, or other corrosive conditions where standard hardware simply falls short.

Key Features

• Qualified for static and seismic loading conditions - meets the structural demands of both everyday anchoring and seismic applications, giving installers and engineers greater confidence on critical projects.
• Thread design undercuts to efficiently transfer the load to the base material - the undercutting action creates a secure mechanical interlock in concrete and masonry, reducing the risk of pull-out under heavy loads.
• Innovative carbon-steel cutting thread with minimal carbon-steel content - the thread effectively cuts through concrete while keeping the amount of carbon steel in the anchor low, which means less expansion stress on the base material and a cleaner, more controlled installation.
• No special drill bit required - designed to install using standard-sized ANSI tolerance drill bits, so there is no need to purchase proprietary tooling or disrupt the job-site workflow.
• Hex-washer head requires no separate washer - the integrated head design speeds up installation and delivers a clean, professional finished appearance without extra hardware.
• Made from Type 316 stainless steel - provides superior corrosion resistance compared to standard grades, making this anchor the right choice for salt water, marine, wet, moist, damp, or chemically exposed environments.
• Installs with an impact wrench or hand tool using a 3/8 in. wrench - compatible with common power and manual tools already on site, keeping installation straightforward and efficient.
• Single-use anchor design - installing the anchor only once preserves full thread integrity and load capacity; reinstalling after removal can cause excessive thread wear and compromise performance.

Why This Product

• Built for corrosive and extreme environments - Type 316 stainless steel is the optimal material choice when anchors will be exposed to salt water, chemical solutions, or persistently wet and moist conditions, offering a level of corrosion protection that standard carbon-steel or lower-grade stainless anchors cannot match in these settings.
• Seismic and static load qualification - this anchor is qualified for both static and seismic loading conditions, making it suitable for a wide range of structural and code-sensitive applications without requiring a separate product for seismic zones.
• Simplified installation with no specialty tooling - the combination of standard ANSI tolerance drill bit compatibility and a hex-washer head that eliminates the need for a separate washer means fewer components to manage and a faster path from hole to finished anchor on the job site.
• State-of-the-art hybrid thread design - the carbon-steel cutting threads work together with the stainless steel body to undercut the base material efficiently, keeping expansion forces low while delivering reliable load transfer in concrete and masonry applications.

Specifications

• Model Number: THDC25300H6SS
• Diameter: 1/4 in.
• Length: 3 in.
• Material: Type 316 Stainless Steel
• Finish: Type 316 Stainless Steel
• Wrench Size: 3/8 in.
• Recommended Fixture Hole Size: 3/8 to 7/16 in.
• Install With: Impact wrench or hand tool
• Packaging: Packs of 50 and Cartons of 250

Approved Applications

• Concrete and masonry anchoring in corrosive or extreme environments
• Salt water and marine environment installations
• Applications where chemical or corrosive solutions are present
• Static and seismic loading conditions
• Wet, moist, or damp environment installations

Frequently Asked Questions

What base materials is the Titen HD screw anchor designed for?

The Titen HD stainless-steel screw anchor is designed for installation in concrete and masonry base materials, where its thread design undercuts to efficiently transfer the load to the base material.

Why is Type 316 stainless steel specified for this anchor?

Type 316 is the optimal choice for applications in corrosive or extreme environments such as salt water, or when chemical or corrosive solutions are present. It provides superior corrosion resistance compared to standard stainless-steel grades.

Do I need a special drill bit to install this anchor?

No special drill bit is required. The Titen HD is designed to install using standard-sized ANSI tolerance drill bits, making it straightforward to use with common tools already on the job site.

Can the Titen HD screw anchor be removed and reinstalled?

No. Use a Titen HD screw anchor one time only - installing the anchor multiple times may result in excessive thread wear and reduce load capacity. It is designed for single-use installation only.

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