The bolt H 45376 is a high-integrity fastening element used to secure heavily loaded structural and mechanical joints within the Sulzer ASL25 engine. Engineered to withstand cyclic forces, thermal expansion, and persistent vibration, it provides consistent clamping force and accurate load distribution across connected components. Its precision threading and controlled material properties ensure reliable preload retention, resistance to fatigue, and long service life. This bolt is fundamental for maintaining assembly integrity and supporting safe, uninterrupted engine operation in demanding marine and industrial environments.