Description
Harken 5mm Large Open Shackle | Boat Supply Store
This forged stainless steel shackle is engineered to withstand rigorous marine environments, providing exceptional strength for critical rigging applications. With a 350kg working load limit and a 1000kg breaking load, it ensures reliable performance for sail connections or anchor tackle. Its proportionally wider profile compared to standard D shackles offers enhanced versatility on various vessel types.
Key Features
- Forged stainless steel construction for superior tensile strength and resistance to marine corrosion.
- High-luster polished finish provides a premium aesthetic and further enhances saltwater durability.
- Stamped screw pin diameter simplifies identification and ensures correct accessory pairing.
- Proportionally wider profile than D shackles increases fitting clearance and application versatility.
- 5mm pin diameter suitable for a range of common rigging components.
- 350kg Working Load Limit (WLL) ensures safe and reliable operation under load.
- 1000kg Breaking Load guarantees structural integrity well beyond typical operational stress.
- Harken brand reputation signifies commitment to quality and performance in marine hardware.
Specifications
| Product Specifications | |
|---|---|
| Material | Forged stainless steel |
| Pin Diameter | 5mm |
| Weight | 25g |
| Working Load | 350kg |
| Breaking Load | 1000kg |
| Finish | Polished |
Who This Is For
Sailors and boaters requiring robust, corrosion-resistant rigging hardware for demanding marine use. Enthusiasts who prioritize durability and a secure connection in sail handling, anchoring, or general boat maintenance will find this shackle highly effective.
How It Compares
| Feature | Harken 5mm Large Open Shackle | Competitor |
|---|---|---|
| Material | Forged Stainless Steel | 316 Stainless Steel |
| Pin Diameter | 5mm / 3/16in | — |
| Maximum Working Load | 350kg / 770lb | — |
| Breaking Load | 1000kg / 2200lb | null |
| Finish | High Luster Polish | Polished |
| Shackle Type | Large Open Shackle (Wider than D) | Quick Connect Shackle |
Common Concerns Answered
Is the price justified for this shackle?
While its price point may be slightly higher than generic alternatives, the Harken 5mm Large Open Shackle's forged stainless steel construction, superior load ratings (350kg WLL, 1000kg BL), and premium polished finish offer exceptional durability and reliability, making it a sound investment for critical rigging applications.
Is the screw pin difficult to operate?
The screw pin may feel a bit stiff upon initial use due to its robust construction. A brief break-in period, involving a few cycles of opening and closing, will typically resolve this, ensuring smooth and secure operation.
How does this shackle compare to other brands?
Compared to competitors like Ronstan and Schaefer Marine, this Harken shackle often offers a higher working load limit (350kg vs. 300kg/320kg) and features a forged construction for enhanced strength. Its wider profile also provides greater versatility than some other designs.
Frequently Asked Questions
What is the working load limit of the Harken 5mm Large Open Shackle?
The Harken 5mm Large Open Shackle has a working load limit of 350kg.
What is the breaking load of the Harken 5mm Large Open Shackle?
The breaking load of the Harken 5mm Large Open Shackle is 1000kg.
What material is the Harken 5mm Large Open Shackle made from?
The Harken 5mm Large Open Shackle is constructed from forged stainless steel for maximum strength and corrosion resistance.
What are the dimensions of the Harken 5mm Large Open Shackle?
The shackle features a 5mm pin diameter and weighs 25g. Its profile is designed to be proportionally wider than standard D shackles.
What is the difference between a large open shackle and a D shackle?
A large open shackle, like this Harken model, is designed with a wider body compared to a traditional D-shaped shackle, offering increased clearance and compatibility with a broader range of fitting sizes and types.
