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This umbrella head anchor bolt is specifically engineered for heavy machinery base installations where large industrial equipment generates significant dynamic and impact loads. The distinctive umbrella-shaped head creates a broad bearing surface that effectively distributes forces over a larger concrete area, reducing stress concentrations and preventing localized failure. Available in diameters from M20 to M30 and lengths from 800mm to 2000mm, this bolt is designed for demanding industrial applications such as stamping presses, turbines, and heavy compressors. The umbrella head is formed through specialized hot forging, creating a curved profile that provides excellent load-spreading performance while maintaining structural integrity. Manufactured from Q345B high-strength structural steel with hot-dipped galvanized finish, this anchor delivers exceptional durability and corrosion resistance. While Anchor Bolts come in various configurations for standard foundation anchoring, this umbrella head bolt is specifically optimized for heavy machinery bases where load distribution is essential.
The manufacturing process involves precision hot forging of the umbrella head, followed by thread rolling on the shaft. The head dimensions and profile are carefully controlled to ensure consistent performance across all production batches. Quality control includes dimensional verification, head profile inspection, coating thickness measurement, and load testing. This bolt is commonly specified for large industrial presses, steam turbines, heavy compressors, and other impact-generating machinery. The umbrella design effectively spreads loads over a wide area, preventing localized concrete damage and reducing vibration transmission to the surrounding structure. L-type anchor bolt is commonly used for standard building columns, while this umbrella head bolt is designed for heavy equipment where load spreading is critical.
Installation requires careful positioning of the umbrella head within the concrete formwork to ensure full embedment at the correct depth. The head must be oriented correctly to achieve its full load-spreading capability. Positioning templates are provided to ensure accurate placement, and the bolt is secured before concrete pouring to prevent displacement. Once the concrete has cured, the exposed threaded rod provides a reliable connection point for equipment mounting. 9-shaped anchor bolt offers a different anchoring approach with its reverse hook design, while this umbrella head bolt focuses on load distribution across the concrete surface. Umbrella-type anchor bolt shares this design principle, making it a preferred choice for heavy machinery foundations. Plate-type anchor bolt offers a similar load distribution approach with a flat plate design, while this umbrella head bolt features a curved profile optimized for heavy equipment bases. Custom head sizes and rod lengths can be produced to meet specific project requirements, ensuring the anchor matches the equipment base plate dimensions precisely.
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Main Product:
Anchor Bolts,
L-type Anchor Bolt,
Foundation Embedded Anchor Bolts,
Umbrella-type Anchor Bolt,
General Fasteners,
Light Pole Anchor Cage
