Description
Built to endure the rigors of shipyards, dry docks, and heavy manufacturing facilities, the ADB 3 1/4 Ton Flange Mount Hoist Ring delivers uncompromising load security. Unlike standard fixed eyebolts, this dynamic hoist ring allows the shackle to pivot, automatically aligning with the direction of the load. This significantly reduces dangerous side-loading stresses and ensures a safer, more stable lift when handling bulky vessel components or heavy machinery.
The base features a 4-bolt flange configuration requiring 5/8″ fasteners, ensuring the load weight is distributed evenly across a wider surface area. Finished in a rugged black oxide coating and secured with a cotter-pin-retained hex bolt, this hoist ring is built for longevity and reliable performance in harsh work environments.
Key Features & Benefits
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High-Capacity 6,500 lb WLL: Safely manages massive weights, making it perfectly suited for structural lifting, marine supply chains, and industrial equipment handling.
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Dynamic Pivot Action: The heavy-duty shackle freely pivots, aligning the lifting point directly with the load pull to eliminate hazardous side-loading forces.
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Secure 4-Bolt Flange Mount: Distributes tension evenly across four 5/8″ attachment points (rated for 20 ft-lbs torque) for maximum stability on flat mounting surfaces.
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Vibration-Resistant Assembly: The main shackle load pin is secured by a cotter pin, preventing accidental back-out during continuous or vibrating lifts.
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Corrosion-Resistant Finish: Treated with a durable black oxide coating, providing excellent protection against rust and wear in demanding, moisture-heavy environments.
Technical Specifications
| Specification | Value |
| Brand | ADB |
| Product Type | Flange Mount Hoist Ring / Swivel Lifting Ring |
| Working Load Limit (WLL) | 3 1/4 Tons (6,500 lbs) |
| Mounting Style | 4-Bolt Flange Base |
| Thread Size | 5/8″ |
| Required Installation Torque | 20 ft-lbs (per fastener) |
| Material | High-Strength Alloy Steel |
| Finish | Black Oxide |
| Shackle Pin Type | Hex Nut with Cotter Pin Retainer |
| Applications | Marine Rigging, Shipbuilding, Heavy Manufacturing |
| Condition | New |







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