The Stainless Steel Lifting Eye Nut (manufactured to DIN 582 standards) is a heavy-duty female-threaded fastener designed to provide a secure lifting point on machinery and equipment. Unlike the male-threaded eye bolt, the Stainless Steel Lifting Eye Nut is screwed onto existing threaded studs or bolts found on motors, pumps, and mold bases, allowing them to be hoisted safely by cranes or rigging systems.
Product Overview: Our Stainless Steel Lifting Eye Nut is drop-forged from premium Stainless Steel A2 (304) or marine-grade A4 (316). The integrated collar (base) is designed to sit flush against the load surface, ensuring optimal load transfer and preventing the threaded stud from bending.
Stainless Steel Lifting Eye Nut Specifications
| Product Name | Lifting Eye Nut / Ring Nut / DIN 582 |
| Standard | DIN 582 (Metric) / ISO 3266 (Equivalent) |
| Material Grade | Stainless Steel A2 (304) / A4 (316) |
| Thread Type | Metric Coarse Female Thread (M6 – M36) |
| Load Capacity | Stamped with WLL (e.g., M12 = 340kg) |
Engineering Insight: Safety First
Rigging with a Stainless Steel Lifting Eye Nut requires strict adherence to safety protocols:
- Full Thread Engagement: Ensure the threaded stud is long enough to fully engage all threads of the eye nut. The stud should protrude slightly through the eye to prove full depth.
- Flush Mounting: The flat bottom collar of the eye nut must make 360-degree contact with the equipment surface. Do not use washers or spacers between the nut and the surface, as this creates a lever arm that can snap the stud.
- Load Angle: Like eye bolts, DIN 582 nuts lose capacity when pulled at an angle. A 45° pull reduces the capacity by roughly 30%. Never pull at an angle greater than 45°.
For more details on lifting accessories, please refer to the Hoist and rigging entry on Wikipedia.
Material Guide: A2 vs A4
- A2 (304): Ideal for food processing plants and cleanroom environments where hygiene is critical.
- A4 (316): Essential for marine deck hardware, sewage treatment plants, and chemical industries where resistance to chloride pitting is required.
Frequently Asked Questions (FAQ)
Q: Can I tighten this with a wrench?
A: Yes. You can insert a bar through the eye (like a lever) to hand-tighten it securely. Do not over-torque to the point of deforming the ring.
Q: What sizes are available?
A: We stock Stainless Steel Lifting Eye Nut sizes from M6 (small loads) up to M36 (heavy machinery). M8, M10, and M12 are the most common.
Need Certified Lifting Nuts?
Handan Bolt is a trusted manufacturer of the Stainless Steel Lifting Eye Nut. We provide batch testing reports and 3.1 material certificates.
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