Description
Wichard 5mm Self-Locking Twisted Shackle | Boat Supply Store
This Wichard Self-Locking Twisted Shackle is engineered for critical load-bearing applications where security against accidental loosening is paramount. Constructed from robust 316L stainless steel, it boasts a working load of 1050 lb and a breaking load of 2420 lb, ensuring integrity under significant stress. Its unique twisted configuration allows for a 90-degree orientation, ideal for minimizing chafe on lines and optimizing block alignment on offshore sailboats.
Key Features
- Vibration-Resistant self-locking pin mechanism prevents accidental disengagement.
- High Strength forged from Grade 316L stainless steel for superior corrosion resistance.
- Optimized Angle 90-degree twist setup capability reduces line chafe and improves load distribution.
- Exceptional Load Ratings with a 1050 lb working load and 2420 lb breaking load.
- Durable Construction resists loosening from constant deck motion and engine vibration.
- Secure Connection for critical rigging, blocks, and deck hardware.
- Marine-Grade built for the harsh conditions of saltwater environments.
- Reliable Performance ensures safety and longevity on any vessel.
Specifications
| Product Specifications | |
|---|---|
| Wichard Self-Locking Twisted Shackle | 5mm (3/16") diameter |
| Material | Forged from 316L stainless steel |
| Locking Mechanism | Self-locking pin for vibration resistance |
| Working Load | 1050 lb |
| Breaking Load | 2420 lb |
| Dimension A | 1-1/32" |
| Dimension B | 25/64" |
| Dimension C | 13/64" |
| Dimension D | 25/64" |
| Dimension D diameter | 13/64" |
| Dimension E | 5/32" |
| Dimension F | 1-1/2" |
| Dimension H | 1-1/32" |
Who This Is For
Sailors and marine professionals demanding an exceptionally secure connection point, particularly for applications requiring a 90-degree load angle and resistance to loosening under vibration. This shackle is also suited for any boater needing reliable hardware for critical rigging on their vessel.
How It Compares
| Feature | Wichard 5mm Self-Locking Twisted Shackle | Competitor |
|---|---|---|
| Type | Self-Locking Twisted Shackle | Jib Cleat | Single Block |
| Material | 316L Stainless Steel | Anodized Aluminum | High-strength, UV-stabilized plastic with aluminum cheeks |
| Locking Mechanism | Self-locking pin | Cam-action | None |
| Working Load (lb) | 1050 | Not applicable (cleat) | Not applicable |
| Breaking Load (lb) | 2420 | Not applicable (cleat) | Not applicable |
| Twisted Design | Yes | No | No |
Common Concerns Answered
What if I have trouble seeing the dimensions to ensure fitment?
While a specific diagram is not provided, the detailed 'Specs' section lists all key dimensions such as A=1-1/32", B=25/64", and H=1-1/32", allowing for precise measurement and comparison against your existing hardware.
I've heard some pins can be stiff, is that an issue here?
While some users report occasional stiffness with new pins, this is generally a temporary condition that resolves with use. The self-locking functionality is robust and designed for consistent performance once engaged.
Is the higher price compared to basic shackles worth it?
Yes, the investment in the Wichard Self-Locking Twisted Shackle is justified by its superior vibration-resistant self-locking mechanism, critical for preventing accidental detachment, and its high-strength 316L stainless steel construction, ensuring long-term durability and safety in demanding marine environments.
Frequently Asked Questions
What makes the Wichard Self-Locking Twisted Shackle 'self-locking'?
The self-locking feature is achieved through a specialized pin design that automatically secures itself when closed, preventing it from opening under load or vibration without manual intervention.
What is the working load limit for the Wichard 5mm Self-Locking Twisted Shackle?
The working load limit (WLL) for the 5mm Wichard Self-Locking Twisted Shackle is 1050 lb, providing a significant safety margin for typical sailing loads.
What type of stainless steel is used in the Wichard Self-Locking Twisted Shackle?
This shackle is forged from Grade 316L stainless steel, renowned for its exceptional corrosion resistance, particularly in saltwater environments, and its high tensile strength.
What are the typical applications for a twisted shackle like this?
Twisted shackles are ideal for applications requiring a 90-degree change in the line's direction, such as connecting a block to a vang or a traveler car, minimizing chafe and ensuring efficient load transfer.
How does the locking mechanism of this shackle prevent loosening?
The unique self-locking pin is designed to engage positively with the shackle body, creating a secure closure that actively resists the forces of vibration and movement commonly encountered on a boat, thus preventing accidental opening.