L Foundation Bolt are crucial components for anchoring heavy equipment foundations. Their unique hooked design allows them to be deeply embedded in concrete, providing strong tensile and shear resistance, ensuring the stability and immobility of large equipment. The product undergoes professional anti-corrosion treatment, ensuring durability and making it a reliable choice for permanent foundation fixing of various industrial machine tools, steel structure columns, and production line frames.
Product Parameters
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Common materials |
Q235B / Q355B carbon steel; 304 stainless steel (optional) |
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Strength grade |
4.8 grade (Q235B) or 8.8 grade (Q355B) |
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Standard specifications |
M10, M12, M16, M20, M24, M30, M36 |
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Key dimensions |
Hook length: typically 4-10 times the bar diameter; embedment depth: typically ≥25 times the bar diameter, determined by design. |
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Surface treatment |
Hot-dip galvanizing (standard) or Dacromet (heavy-duty corrosion protection) |
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Implementation standards |
GB/T 799 (National Standard), supports customization based on drawings. |
Product Features
High pull-out resistance
The L-shaped hook of the L foundation bolt is more secure in concrete.
Earthquake and shear resistance
The pre-buried design of the L foundation bolt can effectively withstand vibration, impact, and horizontal shear.
Customization support
Supports non-standard sizes, special bending angles, and material customization to meet all engineering needs.
Application Scenarios
Heavy industrial equipment: Fixed large machine tools, production line frames, heavy-duty pump sets, etc.
Energy and structural foundations: Used for wind power foundations, substation equipment, steel structure factory columns, and pipe rack supports.
Logistics and other heavy facilities: Installation of automated warehousing bases, large conveyor line bases, crane tracks, and large billboard foundations.
Company Advantages
Pre-compliance certification support
Our company is familiar with the market access requirements for mechanical products in major export markets and can proactively provide complete technical documentation packages (including calculations and test reports) that comply with international standards such as CE and ISO, shortening customs clearance and project acceptance cycles.
One-stop export logistics solution
Our established and mature export operation process not only provides rust-proof packaging and reinforced pallets that meet maritime standards, but also leverages our strategic freight forwarding partners to assist with all documentation and logistics arrangements, from booking and customs declaration to customs clearance at the destination port, achieving door-to-door delivery and reducing your operational complexity.
Industry cluster-based supply chain
Rooted in Yongnian, the "fastener capital," we can quickly coordinate local supporting resources such as materials, heat treatment, and surface treatment. This deep collaborative capability translates into more stable delivery times, flexibility in handling urgent orders, and competitive cost control, providing long-term and stable supply guarantees for your foreign trade business.
FAQ
Q: How should the embedment depth of L-type anchor bolts be determined?
A: The embedment depth needs to be calculated based on the concrete strength grade and design pull-out force. You can provide the load requirements, and our engineers will assist with the calculation.
Q: How can I ensure that the anchor bolts do not shift position during concrete pouring?
A: Use a dedicated positioning template (positioning frame) for fixing.
Q: Can you provide products with anchor plates?
A: Yes. We produce various types of anchor plate anchor bolts, which are commonly used in large equipment. Please provide your specific drawings.
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