The 304 Stainless Steel Hex Head Internal Expansion Bolt is manufactured from high-quality 304 stainless steel, offering excellent corrosion resistance, oxidation resistance, and mechanical strength. It is designed for reliable and secure anchoring in solid base materials.
This product features an internal expansion structure. When the bolt is tightened, the expansion sleeve generates radial expansion inside the substrate, ensuring strong holding force, uniform stress distribution, and long-term stability. The hex head design allows easy installation using standard wrenches or socket tools, improving installation efficiency.
Manufactured in accordance with GB22795 national standard, the bolt is surface-cleaned to provide a neat appearance and smooth installation without burrs.
Available in large flower and small flower types, it meets different load-bearing and application requirements.
It is widely used in concrete, solid brick, and stone for applications such as construction projects, mechanical equipment installation, brackets, railings, and pipeline fixation.
