RCC-M fasteners
RCC-M fasteners are precision-engineered, high-performance bolts, nuts, studs and other sealing technologies that are used to secure pressurised components and structural supports within the most demanding critical industries, including nuclear, energy and heavy engineering.
Nuclear-grade safety, integrity and certification
RCC-M (Règles de Conception et de Construction des Matériels Mécaniques) translates to the ‘Rules for Design and Construction of Mechanical Equipment for PWR Nuclear Islands’, a French nuclear mechanical design code maintained by AFCEN.
At the LoneStar Group, we specialise in the manufacture and supply of RCC-M-compliant fasteners, bolts and sealing technologies. Through our longstanding and collaborative working relationships with nuclear industry partners, we are uniquely configured to deliver precision-engineered, regulation-compliant and highly durable components that meet AFCEN’s most stringent safety and quality requirements.
Superior material access and selection
Rigorous testing and certification for ultimate peace of mind
Our customer-first approach and custom-engineered products
Our unmatched global reach and supply chain capabilities
The LoneStar Group is uniquely positioned to offer robust supply chain solutions and agile operational logistics with a truly unmatched global presence. Strengthened by manufacturing and supply centres of excellence positioned in all major markets, we can ensure the timely delivery of RCC-M fasteners anywhere in the world, helping customers to minimise downtime and maintain efficient operations.
Our unmatched global reach and supply chain capabilities
Experience customer service excellence with:
End-to-end Support
From material selection to final installation guidance, we offer comprehensive support for every project.
Advanced coating and anti-corrosion technologies
Our proprietary coatings and treatments enhance the performance longevity of RCC-M fasteners in the harshest environments.
Sustainability and innovation
We leverage advanced manufacturing techniques and eco-friendly processes to produce RCC-M fasteners with reduced waste and improved lifecycle performance.
A belief in long-term partnerships.
We work closely with engineering teams, procurement specialists and nuclear regulatory bodies to ensure seamless project execution with certified fasteners.
Contact our RCC-M fastener and bolting experts to discuss your requirements.
We look forward to collaborating with you.