Subsea Fasteners – API 20E & 20F Certified
See also: MASTERCOTE – Fasteners


As an API 20E & API 20F certified manufacturer, Tri-Star Industries delivers high-strength bolting systems designed for subsea and offshore environments. Our fasteners are precision-engineered to withstand high-pressure, high-temperature (HPHT) conditions, ensuring structural integrity and operational safety.
✔ High-Integrity Materials: Super Duplex, Inconel, and Titanium for extreme environments
✔ Corrosion-Resistant Coatings: Fluoropolymer & Xylan for long-term subsea protection
✔ Custom-Manufactured to Specification: Engineered for mission-critical applications