Product Description
The Simpson Strong-Tie SSTB20HDG is a 5/8 in. x 21-5/8 in. Hot-Dip Galvanized Anchor Bolt engineered for maximum performance as an anchor bolt for holdowns and Simpson Strong-Tie Strong-Wall shearwalls. Extensive testing has been conducted to determine the design load capacity of the SSTB when installed in many common applications. The SSTB20HDG features a hot-dip galvanized (HDG) coating that delivers extra corrosion resistance, making it well suited for exterior and treated-wood applications. The Simpson Strong-Tie SSTB anchor bolts are code listed by ICC-ES under the 2012, 2015, 2018, and 2021 IBC and IRC, giving contractors and engineers confidence in every installation. Made in the United States from ASTM F-1554, Grade 36 steel, this anchor bolt combines precision engineering with durable materials for long-lasting structural integrity.
Key Features
- Bolt head identification showing embedment angle and model for fast, accurate field identification
- Offset angle reduces side bursting and provides more concrete cover
- Rolled thread for higher tensile capacity
- Stamped embedment line aids installation precision
- Suitable for monolithic and two-pour concrete applications
- Hot-dip galvanization (HDG) offers extra corrosion resistance for exterior and treated-wood applications
- Code listed by ICC-ES under the 2012, 2015, 2018, and 2021 IBC and IRC
- Made in the United States from ASTM F-1554, Grade 36 steel
Specifications
- Model Number: SSTB20HDG
- Diameter: 5/8 in.
- Length: 21-5/8 in.
- Material: ASTM F-1554, Grade 36
- Coating: Hot-Dip Galvanized
- Finish: Hot-Dip Galvanized
- Country of Origin: United States
Approved Applications
- Anchor bolt for holdowns
- Anchor bolt for Simpson Strong-Tie Strong-Wall shearwalls
- Monolithic concrete applications
- Two-pour concrete applications
- Exterior applications requiring enhanced corrosion resistance
- Treated-wood applications requiring enhanced corrosion resistance
Frequently Asked Questions
- What applications is the SSTB20HDG anchor bolt designed for?
- The SSTB20HDG is designed for maximum performance as an anchor bolt for holdowns and Simpson Strong-Tie Strong-Wall shearwalls. It is suitable for both monolithic and two-pour concrete applications, and extensive testing has been conducted to determine its design load capacity across many common installations.
- Why choose the Hot-Dip Galvanized version of the SSTB anchor bolt?
- The hot-dip galvanized (HDG) coating provides extra corrosion resistance compared to standard finishes, making the SSTB20HDG well suited for exterior applications and installations involving treated wood, where exposure to moisture or corrosive conditions is a concern.
- Are nuts and washers included with the SSTB20HDG, and are there any special threading considerations?
- Nuts and washers for holdown attachment are not supplied with the SSTB20HDG. Additionally, because this anchor bolt features a hot-dip galvanized coating, the threads should be chased after galvanization in order to use standard nuts or couplers.
- What building codes cover the SSTB20HDG, and what material is it made from?
- The Simpson Strong-Tie SSTB anchor bolts are code listed by ICC-ES under the 2012, 2015, 2018, and 2021 IBC and IRC. The SSTB20HDG is manufactured from ASTM F-1554, Grade 36 steel and features a rolled thread for higher tensile capacity.
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