G80 Omega Connecting Link For Lifting Purposes

G80 Omega Connecting Link, also known as double link coupler or butterfly coupler, is a detachable connecting hardware specially designed for G80 grade lifting chain. It serves for chain extension and multi‑leg sling assembly, widely used in heavy‑industry workshops, construction machinery sites, port terminals and logistics lifting applications.

Manufactured from premium G80 alloy steel by drop‑forging one‑piece forming, continuous metal grain structure avoids casting defects such as porosity and sand holes. Every piece undergoes quenching and tempering heat‑treatment to achieve balanced strength and toughness, delivering excellent impact‑resistance and anti‑fatigue performance against repeated lifting loads. Workpieces are shot‑blasted before coating. Heavy‑duty red industrial paint provides reliable anti‑corrosion for both indoor workshop and outdoor working environment.

High‑strength black pin is equipped, with locating holes on both ends for safety cotter pin installation to prevent pin dropping during service. Easy to assemble and disassemble without special tools, enabling fast connection of two segments of G80 chain, as well as building 2‑leg or 4‑leg chain slings. Permanent stamping marks including WLL working load limit and CE symbol are pressed onto body for convenient on‑site safety inspection and traceability.

Optimized U‑shaped inner profile ensures perfect fit with chain links, distributing load evenly without local stress concentration. It must be matched with corresponding G80 lifting chain, mixed‑grade application is not allowed. Batch sample load test is implemented before delivery to meet industrial lifting safety requirements. Overloading, side‑pulling, welding or hammering modification are strictly forbidden. Goods are packed in cartons, large‑volume orders adopt wooden pallets for sea‑export. It is a standard popular rigging hardware for global lifting sling assembly.

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