Petrochemical

Specialized Petrochemical Fasteners for High-Temperature & High-Pressure Environments

Petrochemical fasteners engineered for demanding environments found in refineries, chemical plants, oil & gas facilities, and high-temperature industrial systems. Our products are manufactured to strict international standards, ensuring reliable performance under extreme heat, pressure, and corrosive conditions.

We supply a comprehensive range of petrochemical-grade fasteners, including:

• B7 Studs & 2H Nuts (ASTM A193 / A194)

• B8 Studs Class2 & Gr8m Nuts (A193 / A194)
• ASTM A320 class L7, B8, B8M
• Reduced Shank Studs For DIN Flanges

• Stainless Steel Fasteners (304, 316L)

• High-Temperature Alloy Bolts

• Heavy Hex Bolts & Nuts

• Precision-machined Stud Bolts & Threaded Rods

• Corrosion-resistant Coatings & Specialized Finishes (Zinc Plating, Zinc Flake Coating, HDG, Kalgard KG146 &KG650, Yellow Passivated)

Our petrochemical fasteners are designed for applications such as pressure vessels, heat exchangers, flanges, piping systems, valves, and critical plant maintenance. With superior mechanical strength, temperature resistance, and anti-corrosion performance, our fasteners ensure long-term safety and reliability in mission-critical operations.

Liberty Bolt and Nut provides fast turnaround, and expert technical support — making us the preferred partner for petrochemical plants, refineries, EPC contractors, and maintenance teams across South Africa.