Hardness testing to ISO 6508-1
Stainless Steel A2-80 Lifting Eye Nuts, manufactured in accordance with the DIN 582 standard, are specialized fasteners designed for lifting and rigging applications. These eye nuts are specifically engineered to provide a secure and reliable point of attachment for lifting equipment. Here are some key characteristics and considerations for these components:
Material and Grade: Stainless Steel A2-80 Lifting Eye Nuts are typically made from AISI 304 stainless steel, which contains 18% chromium and 8% nickel. The "A2-80" designation indicates the material grade and its minimum tensile strength, which is approximately 800 MPa. This combination of stainless steel composition and strength makes them suitable for use in environments requiring corrosion resistance and dependable load-bearing capabilities.
Design and Function: Lifting Eye Nuts per DIN 582 have a circular, threaded portion with an integral looped eyelet. The threaded part is designed to be screwed onto a compatible bolt or threaded rod, while the eyelet provides a secure anchor point for lifting hooks, cables, or other rigging equipment. The design ensures a stable and reliable connection, making them well-suited for lifting and suspending heavy loads.
Applications: These stainless steel eye nuts are commonly used in various industries, including construction, maritime, and manufacturing, where lifting and rigging operations are essential. They are particularly valuable when secure and corrosion-resistant attachment points are required for hoisting machinery, equipment, or loads. Their resistance to corrosion makes them suitable for use in marine and outdoor environments.
|Specifications||ASTM A 193 / ASME SA 193|
|Nut Sizes||M3 - M56 | 3/6" to 2" | Custom Sizes|
|Standard||ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards|
|DIN Standard||DIN 582|
|Threads||METRIC, BSW, UNC, UNF, BSF or as required|
|Threads Configuration||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|UTS||NPT, UNS, UNF, UNC, UNEF, NPTF|
|ISO||ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards|
Corrosion Resistance: Like other stainless steel components, A2-80 Lifting Eye Nuts exhibit excellent corrosion resistance. The chromium content in AISI 304 stainless steel forms a passive oxide layer on the surface, protecting against rust and corrosion even when exposed to harsh environmental conditions, moisture, or corrosive substances.
Safety Considerations: When using Lifting Eye Nuts for lifting purposes, it is crucial to adhere to proper installation procedures and load ratings. Verify that the eye nut is securely fastened to a load-bearing structure or component and can handle the anticipated load capacity. Regular inspections and maintenance are essential to ensure the eye nuts remain in good working condition and free from defects.
To preserve the high standards of our selection of industrial fasteners, we have always adhered to a systematic quality management process.
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|Grade||Tensile Strength (MPa) min||Yield Strength
(% in 4D min)
|Red of Area (% min)||Hardness (HRC max)|
|A4-80||700||450||40||Not required||Not required|
|Elastic Modulus (GPa)||Mean Co-eff of Thermal Expansion (μm/m/°C)
||Thermal Conductivity (W/m.K)
0-100 °C (J/kg.K)
|Elec Resistivity (nΩ.m)|
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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