The Simpson Titen HD 5/8 in. x 8 in. Type 316 Stainless Steel Heavy-Duty Screw Anchor sets the standard for concrete and masonry anchoring in corrosive and demanding environments. This state-of-the-art screw anchor combines the superior corrosion resistance of Type 316 stainless steel with an innovative carbon-steel thread design that undercuts the base material for efficient load transfer - making it the ultimate choice for salt water exposure, chemical environments, and any application where long-lasting performance under extreme conditions is non-negotiable.

Key Features

• Qualified for static and seismic loading conditions - gives you confidence that the anchor meets the structural demands of both everyday and high-stress applications, including seismic zones.
• Thread design undercuts to efficiently transfer the load to the base material - maximizes holding strength in concrete and masonry so you can trust the connection under real working loads.
• No special drill bit required; designed to install using standard-sized ANSI tolerance drill bits - saves time and money by working with the 5/8 in. drill bits you already have on hand.
• Hex-washer head requires no separate washer - simplifies installation and delivers a clean, professional finished appearance without extra hardware.
• Innovative carbon-steel thread with significantly limited carbon-steel content - cuts concrete effectively while reducing expansion forces, helping protect the base material and surrounding structure.
• Made from Type 316 stainless steel - provides superior corrosion resistance in salt water, chemical, and other extreme environments where lesser materials would degrade prematurely.
• Installs with an impact wrench or by hand tool - offers installation flexibility to match your workflow and available equipment on the job site.
• Single-use anchor design - installing the anchor one time only ensures thread integrity is preserved and rated load capacity is fully maintained.

Why This Product

• Built for the harshest environments - Type 316 stainless steel is the optimal choice when salt water, chemical solutions, or extreme moisture are present, giving you corrosion protection that holds up where Type 304 and carbon-steel anchors fall short.
• Engineered for strength and reliability - the undercutting thread design efficiently transfers load to the concrete or masonry base material, and the anchor is qualified for both static and seismic conditions, making it a dependable solution for critical structural connections.
• Fast, straightforward installation with standard tooling - no special drill bits, no separate washers, and compatibility with both impact wrenches and hand tools means less setup time and a cleaner result on every install.
• Trusted Simpson engineering - backed by a design that purposefully limits carbon-steel content in the anchor body, reducing expansion forces while still delivering the cutting performance needed for efficient, high-quality anchoring in concrete and masonry.

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: THDB62800H6SS
• Diameter: 5/8 in.
• Length: 8 in.
• Material: Type 316 Stainless Steel
• Finish: Type 316 Stainless Steel
• Head Type: Hex-Washer Head
• Drive / Wrench Size: 15/16 in.
• Installation Method: Installs with an impact wrench or by hand tool; wrench size 15/16 in.
• Recommended Fixture Hole Size: 3/4 in. to 13/16 in.
• Drill Bit Size Required: 5/8 in. (standard ANSI tolerance)
• Packaging: Packs of 10 and Cartons of 20

Approved Applications

• Anchoring into concrete and masonry base materials
• Installations in corrosive or extreme environments, including salt water exposure
• Applications where chemical or corrosive solutions are present
• Static and seismic loading conditions
• Wet, moist, damp, or highly corrosive outdoor environments requiring Type 316 stainless steel protection

Frequently Asked Questions

What makes Type 316 stainless steel the right choice for this anchor?

Type 316 stainless steel 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 Type 304, making it the preferred option where long-term durability in harsh conditions is required.

Do I need a special drill bit to install the Titen HD THDB62800H6SS?

No special drill bit is required. The Titen HD screw anchor is designed to install using standard-sized ANSI tolerance drill bits. A 5/8 in. standard drill bit is the appropriate size for this anchor.

Can the Titen HD screw anchor be removed and reinstalled?

No. You should use a Titen HD screw anchor one time only. Installing the anchor multiple times may result in excessive thread wear and reduce load capacity, compromising the integrity of the connection.

What tool is needed to drive this anchor, and is a washer required?

The anchor installs with an impact wrench or by hand tool using a 15/16 in. wrench size. The hex-washer head design requires no separate washer and provides a clean installed appearance upon completion.

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