Product Description
Simpson RFB#4X5 RFB 1/2 in. x 5 in. Zinc-Plated Retrofit Bolt, Grade 36 from Simpson Strong-Tie is a precut threaded rod supplied with nut and washer, engineered to work with anchoring adhesives to anchor into existing concrete and masonry. When used with a Simpson Strong-Tie adhesive, the RFB offers a complete engineered anchoring system capable of providing both tension and shear load performance in structural connections.
Key Features
- Provides both tension and shear loads in connections
- Coarse thread type for reliable anchoring performance
- Each end of the threaded rod is stamped with rod length in inches and color-coded indicating the grade or type of steel for quick and easy identification post-installation
- For 1/2 in. diameters and larger, the distinctive No-Equal symbol is also stamped on each end
- Zinc plated finish for corrosion resistance
- Supplied with nut and washer included
- Made in the United States
Specifications
- MPN: RFB#4X5
- Brand: Simpson Strong-Tie
- Diameter: 1/2 in.
- Bolt Length: 5 in.
- Thread Type: Coarse
- Grade: Grade 36
- Coating: Zinc Plated
- Finish: Zinc Plated
- Country of Origin: United States
Approved Applications
- Anchoring into existing concrete using Simpson Strong-Tie adhesives
- Anchoring into existing masonry using Simpson Strong-Tie adhesives
- Structural connections requiring both tension and shear load resistance
What's Included
Each pack contains (1) RFB#4X5 Retrofit Bolt, Precut threaded rod (1/2 in. x 5 in.), Nut, Washer.
Downloads and Resources
- Model No. RFB#4X5 Coating/Material. Zinc Plated Size (in.) 1/2 x 5 See Specifications
Frequently Asked Questions
- What adhesive should be used with the Simpson RFB#4X5 Retrofit Bolt?
- The RFB#4X5 is designed to be used with Simpson Strong-Tie adhesives to anchor into existing concrete and masonry. When paired with a compatible Simpson Strong-Tie adhesive, it provides a complete engineered anchoring system.
- How can the RFB#4X5 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, allowing for quick and easy identification post-installation. For 1/2 in. diameters and larger, the distinctive No-Equal symbol is also stamped on each end.
- What types of loads does the RFB#4X5 Retrofit Bolt support?
- The RFB#4X5 provides both tension and shear loads in connections, making it suitable for a wide range of structural anchoring applications in existing concrete and masonry.
- Does the RFB#4X5 come with a nut and washer?
- Yes. The Simpson RFB#4X5 is supplied with both a nut and a washer, providing all the components needed for installation alongside a compatible Simpson Strong-Tie anchoring adhesive.
Note: Product dimensions and/or length may differ from picture. Please see the item description above for specifications.
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