Hex Head Internal Expansion Anchor Bolt

high-strength fastening solution is engineered for secure anchoring in concrete, brick, and other solid base materials. Featuring a hexagonal bolt head for easy wrench tightening and an internal expansion sleeve mechanism, it delivers reliable pull-out and shear resistance—ideal for both residential and industrial applications.
The anchor works by inserting the assembled unit into a pre-drilled hole. As the bolt is tightened, the conical end pulls the internal sleeve outward, forcing it to expa

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Product Detail

Specification
Product Name	Hex Head Internal Expansion Anchor Bolt
Material	Carbon Steel (Grade 4.8 / 8.8), Stainless Steel (Optional)
Surface Finish	Yellow Zinc Plated (Standard), Hot-Dip Galvanized, or Stainless
Available Sizes	M6, M8, M10, M12, M16
Length Range	50mm – 300mm (custom lengths available)
Drill Bit Size	Match to sleeve outer diameter (e.g., M6 → Φ10mm, M8 → Φ12mm)
Installation Depth	Hole depth should exceed sleeve length by 5mm
Applications	Air conditioners, railings, machinery mounting, pipe supports, structural anchoring

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Product Detail

Specification
Product Name	Hex Head Internal Expansion Anchor Bolt
Material	Carbon Steel (Grade 4.8 / 8.8), Stainless Steel (Optional)
Surface Finish	Yellow Zinc Plated (Standard), Hot-Dip Galvanized, or Stainless
Available Sizes	M6, M8, M10, M12, M16
Length Range	50mm – 300mm (custom lengths available)
Drill Bit Size	Match to sleeve outer diameter (e.g., M6 → Φ10mm, M8 → Φ12mm)
Installation Depth	Hole depth should exceed sleeve length by 5mm
Applications	Air conditioners, railings, machinery mounting, pipe supports, structural anchoring