Product Description
The Simpson RFB 5/8 in. x 16 in. Hot-Dip Galvanized Retrofit Bolt is a precut threaded rod from Simpson that comes supplied with a nut and washer, engineered for use with anchoring adhesives to anchor into existing concrete and masonry. When paired with a Simpson Strong-Tie adhesive, this retrofit bolt becomes part of a complete engineered anchoring system capable of handling both tension and shear loads. The hot-dip galvanized finish delivers corrosion resistance suited to demanding installation environments, and each end of the threaded rod is stamped with the rod length in inches and color-coded to indicate the grade or type of steel - allowing for quick and easy identification post-installation. For 1/2 in. diameters and larger, the distinctive No-Equal symbol is also stamped on the rod.
Key Features
- Handles both tension and shear loads - supports a wide range of structural anchoring applications without requiring a separate fastener for each load direction
- Coarse thread type - provides strong mechanical engagement with compatible nuts and adhesive anchoring systems for a secure, reliable connection
- Hot-dip galvanized finish - delivers corrosion resistance for installations exposed to moisture or other corrosive conditions
- Stamped rod length and color-coded ends - enables quick and easy identification of rod length and steel grade or type post-installation, reducing guesswork during inspection
- Nut and washer included - arrives ready to install without the need to source additional hardware separately
- Compatible with Simpson Strong-Tie anchoring adhesives - designed to work as part of a complete engineered anchoring system for concrete and masonry retrofit applications
Why This Product
- A complete retrofit anchoring solution in one package - the precut threaded rod, nut, and washer arrive together, so anchoring into existing concrete or masonry is straightforward when paired with a compatible Simpson Strong-Tie adhesive
- Built-in post-installation identification - the stamped rod length and color-coded ends mean inspectors and contractors can confirm steel grade or type and rod size without additional documentation on the job site
- Dual-load capability in a single fastener - by providing resistance to both tension and shear forces, this retrofit bolt eliminates the need for multiple fastener types in demanding structural connections
- Hot-dip galvanized protection for lasting durability - the galvanized coating helps guard against corrosion in applications where long-term performance and finish integrity matter
Specifications
- Model Number: RFB#5X16HDGP2
- Diameter: 5/8 in.
- Bolt Length: 16 in.
- Thread Type: Coarse
- Coating: Hot-Dip Galvanized
- Finish: Hot-Dip Galvanized
- Country of Origin: United States
Approved Applications
- Anchoring into existing concrete when used with Simpson Strong-Tie adhesives
- Anchoring into existing masonry when used with Simpson Strong-Tie adhesives
- Connections requiring both tension and shear load resistance
What's Included
Sold as packs of (2) Hot-Dip Galvanized Retrofit Bolts, Precut 5/8 in. x 16 in. hot-dip galvanized threaded rod, Nut, Washer.
Note: Product dimensions and/or length may differ from picture. Please see the item description above for specifications.
Frequently Asked Questions
What adhesive should be used with the Simpson RFB#5X16HDGP2 Retrofit Bolt?
The RFB retrofit bolt is designed to be used with Simpson Strong-Tie anchoring adhesives to anchor into existing concrete and masonry. When paired with a Simpson Strong-Tie adhesive, the RFB offers a complete engineered anchoring system.
What type of loads can the RFB#5X16HDGP2 handle?
The Simpson RFB#5X16HDGP2 retrofit bolt is engineered to provide both tension and shear loads in connections, making it suitable for a range of structural anchoring applications.
How can the RFB#5X16HDGP2 be identified after installation?
Each end of the threaded rod is stamped with the rod length in inches and is color-coded to indicate the grade or type of steel. The distinctive No-Equal symbol is also stamped on the rod, enabling quick and easy identification post-installation.
What finish does the RFB#5X16HDGP2 have, and why does it matter?
The RFB#5X16HDGP2 features a hot-dip galvanized finish, which provides enhanced corrosion resistance compared to standard zinc plating, making it well-suited for applications where long-term durability and protection against the elements are important.
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