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Double Expansion Anchor Bolt with Zinc Alloy is a reliable Bolt fastening solution designed for concrete fixing, construction installation, and heavy duty mounting applications. The double expansion structure provides stronger anchoring force compared with traditional expansion anchors, improving stability and load-bearing performance.
Manufactured with zinc alloy expansion components and high-quality steel bolts, this anchor system delivers excellent durability, corrosion resistance, and secure fixing performance. It is widely used for installing machinery, brackets, equipment supports, construction accessories, and industrial fixtures.
Designed for global hardware wholesalers, construction material distributors, engineering contractors, and OEM customers, this anchor bolt provides stable factory supply, competitive wholesale pricing, and customized packaging solutions.
Double Expansion Anchor Bolts are manufactured through precision machining, metal forming, thread processing, and surface coating processes. The production technology ensures accurate dimensions, smooth thread engagement, and reliable expansion performance.
The double expansion sleeve design allows expansion at two points inside the drilled hole. This structure increases contact area with the base material, improving holding force and reducing the risk of loosening under vibration or long-term loading conditions.
The zinc alloy expansion sleeve provides excellent corrosion resistance and stable deformation performance. Combined with carbon steel or stainless steel bolts, the complete fastening system delivers reliable installation results in construction and industrial environments.
Strict quality control is implemented during production, including raw material inspection, dimensional checking, thread testing, coating inspection, and pull-out performance testing. These procedures ensure consistent quality for international construction projects.
Customization options include bolt size, length, material selection, surface treatment, packaging design, and private label solutions. The factory supports bulk manufacturing for distributors, contractors, and OEM partners.
The advanced double expansion design provides:
The Gecko Anchor Bolt is suitable for applications requiring reliable fastening in concrete and masonry materials.
Manufactured with high-quality zinc alloy materials, the anchor bolt offers:
The Zinc Alloy Anchor Bolt is suitable for indoor and general outdoor construction applications.
Designed for secure installation in:
The Concrete Anchor Bolt provides dependable fixing performance for construction and industrial projects.
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Steel Pipes and Tubes,
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Stainless Steel Products,
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