
Lifting Eye Nuts
Eye nuts are forged lifting‑purpose threaded fasteners manufactured strictly to DIN 582, ISO 3266 and JB/T 7382 standards. Integrating a forged annular ring and internal threaded body, they connect wire ropes, hooks and chains to machinery housings for hoisting, fastening and tie‑down operations. Adopting one‑piece hot forging and normalizing heat treatment, the internal metal structure is dense without hidden cracks, with clearly marked Working Load Limit (WLL) stamped on the ring surface for on‑site safety reference.
Handan Hengmai Fasteners Manufacturing Co., Ltd. is one of the most reliable manufacturers and suppliers of lifting eye nuts in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy bulk high quality lifting eye nuts for sale here from our factory. Customized orders are welcome.
Product Overview
Eye nuts are forged lifting‑purpose threaded fasteners manufactured strictly to DIN 582, ISO 3266 and JB/T 7382 standards. Integrating a forged annular ring and internal threaded body, they connect wire ropes, hooks and chains to machinery housings for hoisting, fastening and tie‑down operations. Adopting one‑piece hot forging and normalizing heat treatment, the internal metal structure is dense without hidden cracks, with clearly marked Working Load Limit (WLL) stamped on the ring surface for on‑site safety reference. Carbon‑steel galvanized versions suit ordinary industrial lifting; stainless‑steel grades adapt to marine humid and corrosive environments. Our factory runs full‑process production under ISO9001 management, stocks full metric specifications and customizes special sizes for engineering lifting projects across Belt‑and‑Road markets.

Product Specification
|
Parameter Item |
Standard Index |
|
Material |
Carbon steel (C15 / 45#), alloy steel, 304/316 stainless steel |
|
Strength Grade |
Class 8, A2‑70, A4‑80 |
|
Thread Precision |
6H metric coarse thread |
|
Surface Treatment |
Electro‑galvanized, hot‑dip galvanized, plain forged finish, passivation |
|
Size Range |
M6–M100 |
|
Executive Standards |
DIN582, ISO3266, JB/T7382‑1994 |
|
Load Rule |
Rated WLL valid for vertical axial lifting only; oblique lifting reduces bearing capacity accordingly |
Product Properties
1. Integral die‑forged structure resists tensile deformation under heavy static load; permanent deformation rate is controlled below 0.5% after load testing;
2. Clear load marking on outer ring helps operators quickly confirm safe load before hoisting;
3. Round ring opening fits standard shackles, steel wire ropes and lifting hooks for quick field assembly;
4. Multiple anti‑corrosion treatments extend service life for outdoor open‑air lifting scenarios.
Application
Core scenarios: machine tool mold hoisting, power equipment handling, port machinery fastening, wind‑power component installation, logistics cargo tie‑down and construction equipment turnover. Stainless‑steel eye nuts are specially recommended for offshore ship machinery, aquaculture equipment and coastal engineering lifting operations with salt‑fog corrosion risks .
⚠️ Usage reminder: Avoid long‑term lateral oblique pulling to prevent sudden strength attenuation.
Quality Control & Testing
Each batch undergoes axial tension destructive testing, hardness inspection, thread go/no‑go gauge check and salt‑spray corrosion testing before shipment. Load fatigue tests are performed for bulk dynamic‑load orders; mill certificates and SGS third‑party lifting safety reports can be provided, with permanent raw material traceability archives.
Packing, Storage, Handling And Transportation
Standard packing: inner moisture‑proof PE bags + outer woven bags with pallet stacking for sea freight; carton packing and custom shipping marks are available for small urgent batches. Store in dry ventilated warehouses away from corrosive vapor; avoid knocking the ring body during stacking to prevent invisible cracks. We provide FOB/CIF/DDP multi‑mode logistics solutions with stable transit time for overseas bulk lifting‑project orders.
After‑Sales & Service
Pre‑sales technicians match specifications and surface treatments according to your lifting weight, operating angle and ambient corrosion degree. If factory‑caused unqualified products occur after arrival, free reshipment and corresponding logistics compensation are provided; online guidance for safe installation and load matching is available.
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