Box Bolt Expansion Anchor
Weight Range ： 0.5g–500kg
Dimensional tolerance ： ±0.1mm
Thickness ： 1mm-100mm
Box bolt expansion anchor is known for its exceptional manufacturing precision, with dimensional tolerances on key components strictly controlled to within plus or minus one tenth of a millimeter. This extreme pursuit of details ensures a smooth installation process and a reliable anchoring effect. The products cover an extremely wide range of weights, with the lightest models weighing just 0.5 grams, while heavy-duty models for large structural works can reach up to 500 kilograms. This diversity enables it to be perfectly adapted to various application scenarios from the fixation of precision electronic equipment to the construction of large bridges, providing a solid guarantee for the anchoring needs of various industries.
The anchor exhibits excellent mechanical properties and long-lasting durability. Its core components are made of high-strength alloy steel, allowing the tensile strength of standard products to easily exceed 800 MPa. In terms of corrosion resistance, models with special surface treatment can pass more than five hundred hours of neutral salt spray testing without producing red rust. This enables it to maintain stable performance for a long time in harsh environments such as humidity and salt spray, effectively extending the service life of the structure and significantly reducing maintenance costs.
Parameter
JOYEAR offers clients all over the world high-volume, highly effective export solutions for industrial components. We craft our custom metal products with skill. Our skilled team will accurately create tangible parts that meet your requirements if you send us your design files, whether they are digital drafts or prototypes.
| Feature Dimension | Carbon Steel | Stainless Steel | Hot-Dip Galvanized Steel | Non-Ferrous Metal |
|---|---|---|---|---|
| Strength | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐ to ⭐⭐⭐ |
| Corrosion Resistance | ⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐ |
| Salt Spray Test (Neutral) | < 24 hours | ≥ 72 hours | ≥ 96 hours | ≥ 72 hours |
| Max Working Temperature | ~250°C | ~400°C | ~200°C | ~200°C |
★ Our product range includes:
► Materials: Carbon steel / Mild steel / Structural steel / Stainless steel / Aluminum / Copper, etc.
► Forms: Sheets / Profiles / Tubes / Round bars / Flat bars / Square bars, etc.
Drawing Design & Confirm
Obtain drawings from customers or create drawings based on their specifications or samples.
The drawings, product raw materials, surface treatment, and other details are attested to by both parties.
Advantages
Excellent vibration and impact resistance
Expansion bolts perform excellently under dynamic loads. Its locking effect causes the expansion sleeve to engage tightly with the hole wall. It effectively resists vibration and shock.
Certified products can pass more than 2,000 repeated fatigue tests. They can also withstand thousands of impacts without visibly loosening. This advantage makes it ideal for fixed bridges and railway installations. It is also widely used in heavy machinery and building curtain walls.
Wide adaptability
Expansion bolts can adapt to a variety of base materials and installation conditions. It can be used for concrete with strengths from C20 to C60 and above. It also works on dense natural stone. Its specification range is very wide.
The diameter ranges from M6 for light load fixation to M30 and above for heavy load fixation. Some specially designed products are suitable for near-edge installation. Only 5 anchor bolt diameters are needed from the edge of the concrete to exert most of the load-bearing capacity.
Reliable long-term performance
Properly installed expansion bolts provide long-lasting anchorage performance. High-quality stainless steel or hot-dip galvanized models offer corrosion resistance and long life.
It can be used for more than 25 years or even 50 years in corresponding environments. Its mechanical properties are stable from -40°C to +200°C. No significant creep or stress relaxation occurs. This ensures long-lasting security of the fixed connection.
Excellent anti-cracking properties
High-quality expansion bolts can effectively control stress on the base material. Its expansion pressure is controllable and evenly distributed. It will not cause concrete cracks under code-compliant installation conditions.
For example, the minimum edge distance is 10 times the anchor diameter and the minimum spacing is 12 times. This property maintains the integrity of the concrete structure. It is especially suitable for fixing near edges or thin walls to effectively prevent damage to the substrate.
Why choose us
Complete specifications and wide application
- Available in a variety of specifications from M6 to M24 and above, fully meeting different anchoring needs from home to industrial scenarios.
Internationally certified quality
- Through ISO 9001 system certification, strict quality control throughout the entire process ensures stable and reliable product quality and provides a solid guarantee for the project.
Premium material selection
- Made of high-strength carbon steel and stainless steel, it has strong corrosion resistance and ensures the long-term safety and durability of the anchor in harsh environments.
Precision manufacturing process
- Advanced processing technology ensures accurate product dimensions and stable and consistent performance, effectively avoiding the risks of installation failure and insufficient load-bearing capacity.
Price & Order
Give a quote, make sure the order quantity is correct, and include all pertinent information.
Like the terms of payment, the terms of trade, the kind of packaging, etc.
Sample Approval
Make sure the early prototypes you create correspond to the drawing.
Send to the customer for approval following internal approval.
Production & Shipping
When manufacturing the goods, adhere precisely to the original drawings and samples.
After a final inspection, it was meticulously packaged and sent to the clients.
Conclusion
JOYEAR is a respected hardware manufacturer with twenty years of experience in the industry. We have built a strong reputation and technical expertise through dependable, excellent production. Our staff provides solutions that are specifically designed to meet your needs. We work closely with you to make any special custom designs a reality. We also incorporate and recommend related products based on your applications to maximize purchasing value and operational efficiency.
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