Collection: Marine

Corrosion-Resistant Fasteners for the Marine & Offshore Industry

JM USA manufactures high-strength, corrosion-resistant fasteners engineered for the demanding conditions of the marine, shipbuilding, and offshore sectors. Our products are designed to withstand saltwater exposure, vibration, and extreme temperature variations, ensuring long-term integrity and safety in critical maritime applications.

Our range includes Heavy Hex Bolts, Cap Screws, Studs, Nuts, and Hardened Washers in Grades B7, B8, B8M, and A320, as well as special alloys such as stainless steels and weathering steels. Each component is hot forged, heat-treated, and inspected to meet or exceed ASTM, ASME, and ISO standards — guaranteeing consistent mechanical performance and corrosion resistance in both onshore and offshore environments.

Whether for ship structures, port facilities, offshore platforms, or subsea systems, JM fasteners deliver strength, reliability, and longevity under constant exposure to moisture and pressure.

With ISO 9001:2015–certified manufacturing, full traceability, and North American production, JM USA ensures total compliance and dependable delivery — backed by MTRs and quality documentation on every order.

Choose JM USA — your trusted partner for marine-grade fasteners built to endure the ocean’s toughest challenges, project after project.