Product Overview: Foundation Anchor Bolt
The Foundation Anchor Bolt (FAB Series Cast-in-Place Embedded Anchor Rods) is a primary structural connection component widely utilized in power line infrastructure, substation gantry construction, industrial building steelwork, and heavy machinery footing installations. Manufactured by YiHao Power, our embedded anchor bolts are produced from premium grade structural carbon steel and alloy steel. Designed in strict compliance with international manufacturing and quality standards for heavy power line hardware, each Foundation Anchor Bolt delivers superior tensile yield strength, high mechanical anchorage within concrete, and reliable structural stability against dynamic wind and seismic forces.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | FAB Series Embedded Foundation Anchor Bolts |
| Base Material | Structural Carbon Steel (Q235 / Q355) / High-Strength Alloy Steel |
| Anchor Head Profiles | J-Hook / L-Bend / Welded Eye Loop / Bottom Square Anchor Plate |
| Surface Protection | Hot-Dip Galvanized (HDG) Threaded Portion / Black Natural Steel Body |
| Thread Diameter Range | M12, M16, M20, M24, M30, M36, M42, M48 (Custom Metric & Imperial Sizes) |
| Standard Compliance | UL / BS / IEC / ISO International Standards Compliant |
| Application Scope | Power Line Transmission Towers, Substation Steel Structures, Industrial Steel Columns |
Key Performance Features of Our Foundation Anchor Bolt
- High Mechanical Interlocking in Concrete: The hooked end or bottom anchor plate embeds deep into cured concrete, transferring high vertical tensile loads and wind uplift forces safely into the entire foundation mass.
- Hot-Dip Galvanized Thread Endurance: Threaded top sections feature precise hot-dip galvanizing to withstand exposure to wet concrete, soil moisture, and atmospheric rust during site construction.
- High Ductility & Load Capacity: Premium carbon steel raw material provides excellent ductility, allowing the anchor rod to absorb dynamic structural vibrations without brittle fracture.
- Tailored Template Cage Assembly: Can be pre-assembled into welded anchor bolt cages using positioning templates for rapid field placement prior to concrete pouring.
Installation Guidelines for Embedded Foundation Anchors
Proper installation of a Foundation Anchor Bolt system ensures accurate column alignment and long-term joint security. Follow these standard field practices:
- Formwork Alignment & Caging: Secure anchor bolts in a rigid steel template framework attached to the foundation rebar cage to ensure exact center-to-center hole spacing.
- Thread Protection During Pouring: Wrap the exposed top threads with protective tape or plastic caps to prevent concrete slurry from adhering to bolt threads during the pour.
- Concrete Pouring & Leveling: Pour concrete evenly around the anchor bolts and vibrate thoroughly to eliminate air pockets around the hooks or anchor plates.
- Tower Baseplate Mounting: Once concrete cures, place leveling nuts under the steel baseplate, lower the structure over the studs, add top washers, and torque the main nuts to specification.
Primary Application Scenarios Across Power & Structural Facilities
Our premium embedded foundation fasteners are widely deployed across global power and civil infrastructure projects, including:
- High-voltage power transmission line steel lattice towers and monopoles.
- Substation steel gantries, circuit breaker pedestals, and transformer foundations.
- Heavy structural steel columns for power plants, industrial warehouses, and factories.
- Highway lighting poles, sign gantries, and wind turbine foundation rings.
Frequently Asked Questions (FAQ)
Q1: What is the advantage of a plate-type Foundation Anchor Bolt over a J-bolt?
A1: Bottom anchor plates provide significantly higher mechanical pull-out resistance in shallow concrete foundations compared to standard J-hooks or L-bends.
Q2: Why are anchor bolts often only hot-dip galvanized on the top threaded section?
A2: The top section is exposed to atmospheric weathering, requiring galvanizing protection. The plain ungalvanized steel embedded inside concrete bonds mechanically with the alkaline concrete matrix without corrosion risks.
Quality Assurance & Factory Testing
Every batch of Foundation Anchor Bolt products manufactured by YiHao Power undergoes rigorous quality control inspection before dispatch. Our testing protocols include dimensional tolerance checks, steel tensile yield strength testing, weld seam inspection for plate anchors, and thread pitch gauge verification.



