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DIC High-Strength Flange Bolts for Heavy-Duty Applications
At DIC, delivering fasteners that uphold quality and satisfy a wide spectrum of customer requirements is our priority. Our mission is to offer dependable, innovative, and cost-efficient fastening solutions that improve both performance & longevity.
When it comes to critical engineering projects & heavy-duty applications, the reliability of fasteners is not just a matter of performance — it's a matter of safety. DIC High-Strength Flange Bolts are engineered to deliver unmatched strength, precision, and durability in demanding industrial environments. Whether you're working in construction, heavy machinery, energy, or automotive sectors, DIC flange bolts provide a robust solution that ensures structural integrity under the most extreme conditions.
What Are DIC Flange Bolts?
DIC Flange Bolts are specially designed fasteners featuring an integrated washer-like flange below the bolt head. This flange helps distribute the clamping load evenly, increasing the contact area & reducing the risk of damage to the surfaces being joined. Manufactured to exacting standards, DIC flange bolts offer high tensile strength, resistance to corrosion, and superior vibration resistance — making them ideal for high-stress environments.
Key Features:
- Integral flange head: Distributes load & resists loosening under vibration.
- Threaded shank: Ensures secure assembly with nuts or tapped holes.
- High-tensile strength: Supports high torque and heavy loads.
Why High-Strength Matters
High-strength flange bolts are essential when the application involves heavy loads, intense vibration, or fluctuating temperatures. DIC's advanced manufacturing processes and rigorous quality control ensure that every bolt meets or exceeds international standards, including ISO 898, ASTM A325 and DIN 6921.
Benefits of DIC High-Strength Flange Bolts:
- Enhanced load-bearing capacity
- Improved safety in critical assemblies
- Long service life with minimal maintenance
- Resistance to loosening in dynamic environments
Applications of DIC Flange Bolts in Heavy-Duty Industries
1. Construction and Infrastructure
From steel frameworks to bridge joints and pre-engineered buildings Flange Bolts provide the reliability needed in construction. Their high tensile strength & wide bearing surface make them ideal for connecting large structural components.
2. Automotive & Heavy Vehicles
In engine assemblies, chassis components & suspension systems, DIC flange bolts resist vibration and prevent joint loosening. They are a trusted choice for OEMs and aftermarket suppliers alike.
3. Mining and Earthmoving Equipment
Equipment in the mining industry is subjected to extreme forces and harsh conditions. DIC high-strength bolts provide the durability and toughness required to keep machines operational & safe.
4. Oil, Gas and Energy
In offshore rigs, pipelines, wind turbines, and refineries, fasteners are exposed to corrosive environments and fluctuating loads. DIC offers corrosion-resistant flange bolts designed for high-performance in energy sector applications.
Choosing the Right Flange Bolts
Selecting the correct flange bolt involves considering several key factors:
- Use a calibrated torque wrench to avoid over- or under-tightening.
- Clean and inspect threads before installation to ensure proper seating.
- Follow the recommended torque values specified by manufacturers or relevant standards.
By investing in quality bolts engineered for demanding conditions, you protect your equipment, ensure operator safety, and extend the life of your assemblies. Contact us today! info@dicfasteners.com

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