Stainless Steel Threaded Ring Eye Bolts

When selecting lifting hardware for marine, industrial, or architectural applications, stainless steel threaded ring eye bolts offer a superior combination of strength and corrosion resistance. These components are machined from high-grade 304 or 316 stainless steel, providing reliable performance in harsh environments where moisture, chemicals, or saltwater are present. Unlike standard carbon steel options, the threaded ring design distributes load evenly along the shank, reducing stress concentrations and enhancing safety during angular lifts. For demanding overhead lifting tasks, many professionals turn to Heavy Duty Forged Lifting Eye Bolts as a complementary solution when higher load capacities or forged construction are required. However, for versatile rigging setups, the threaded ring eye bolt stands out due to its full 360-degree swivel ring that accommodates multiple sling angles without compromising the working load limit. The deep, clean threads ensure a secure fit in tapped holes or when used with nuts, preventing loosening under vibrational loads. Each unit undergoes proof testing and is clearly marked with its diameter, thread pitch, and load rating for quick identification on the job site.

Stainless Steel Threaded Ring Eye Bolts are precision-engineered fasteners designed to serve as permanent or temporary anchor points. The ring portion is seamlessly integrated with the threaded shank through a hot forging process, eliminating weak points typically found in welded eye bolts. The smooth surface finish minimizes friction on straps and cables, reducing wear over time. Their non-magnetic properties make them suitable for sensitive electronic environments, while the inherent corrosion resistance extends service life in outdoor installations such as docks, bridges, and tensioned fabric structures. Available in sizes ranging from M6 to M36 and with working load limits calculated at a 5:1 safety factor, these eye bolts meet rigorous international standards including DIN 580 and ASME B18.15. Careful material traceability and batch testing are performed to guarantee consistency, making them a trusted choice for structural engineers and rigging specialists worldwide.

Key Product Parameters

• Material: A2-70 (304) or A4-80 (316) stainless steel
• Thread standard: Metric coarse (UNC/UNF available on request)
• Ring diameter: Relationship to thread size per DIN 580 specifications
• Safety factor: 5:1 minimum, with higher factors tested for critical lifts
• Finish: Electro-polished or passivated for enhanced corrosion resistance
• Identification: Permanent laser marking with trace code and WLL
• Temperature range: -40°C to +400°C (304), -40°C to +800°C (316)
• Certifications: Material mill certificates, conformity to EN 10088, dimensional reports

Sizes up to M36 and custom shank lengths are available upon request. The working load limits (WLL) listed apply only for non-rotating conditions with standard nuts fully engaged. For dynamic or off-axis applications, a qualified engineer should assess the configuration. All dimensions and tolerances comply with the latest edition of DIN 580 and are verified through in-house CMM inspection before shipment.