Description
Wichard 8mm Self-Locking D Shackle | Boat Supply Store
Prevent accidental detachment of vital rigging components under vibration with this high-security Wichard Self-Locking Long D Shackle. Engineered from Grade 316L stainless steel, it provides superior corrosion resistance and a substantial breaking load of 5950 lb. Its unique self-locking pin mechanism ensures your connections, such as halyards to headsails or blocks to deck hardware, remain secure even in harsh offshore conditions or on the Gulf Coast's active waterways.
Key Features
- Unrivaled Security with integrated self-locking pin to prevent accidental loosening from vibration.
- Exceptional Strength forged from Grade 316L stainless steel for maximum load-bearing capacity.
- Superior Corrosion Resistance of 316L stainless steel endures saltwater environments without degradation.
- Reliable Attachment Point with a Long D design offering increased clearance for multiple connections.
- High Breaking Load of 5950 lb ensures safety under extreme stress.
- Traceable Quality with CE Marking and batch number for verification.
- Vibration Proof Locking ideal for high-stress applications where loosening is a concern.
- Effortless Installation requires no tools for quick and secure deployment.
Specifications
| Product Specifications | |
|---|---|
| Brand | Wichard Marine |
| Diameter | 8mm (5/16") |
| Material | Grade 316L Stainless Steel |
| Self-Locking Pin | Yes |
| Working Load Limit (WLL) | 1190 lb (industrial applications only) |
| Breaking Load | 5950 lb |
| Weight | 0.146 lb |
| Dimension A | 1-49/64" |
| Dimension B | 5/8" |
| Dimension C | 5/16" |
| Dimension D | 5/8" |
| Dimension D Diameter | 5/16" |
| Dimension E | 9/32" |
| Dimension F | 2-33/64" |
| Dimension G | 1-39/64" |
Who This Is For
Sailors and marine professionals requiring a robust and vibration-resistant attachment point for critical rigging components. Ideal for applications where secure fastening is paramount and standard screw pin shackles may loosen under dynamic loads.
How It Compares
| Feature | Wichard 8mm Self-Locking D Shackle | Competitor |
|---|---|---|
| Locking Mechanism | Self-Locking Pin | Swivel Pin, Screw Pin |
| Material | 316L Stainless Steel | 316 Stainless Steel, Anodized Aluminum Alloy |
| Working Load Limit (WLL) | 1190 lb (Industrial Applications) | Approx. 1000-1500 lb (typical for similar models), Not specified |
| Breaking Load | 5950 lb | Not specified, Not specified |
| Diameter | 8mm (5/16") | — |
Common Concerns Answered
Is the Working Load Limit (WLL) sufficient for all marine applications?
The specified WLL of 1190 lb is designated for industrial applications. For marine use, always consult load charts and consider safety factors based on the specific load, rigging type, and potential shock loads to ensure appropriate safety margins are maintained.
Why is this shackle more expensive than a standard screw pin shackle?
The higher cost is attributed to the advanced self-locking pin mechanism, which adds complexity and manufacturing precision. This integrated security feature prevents accidental loosening due to vibration, offering superior safety and reliability for critical rigging applications, justifying the investment.
How does the self-locking mechanism prevent loosening?
The integrated self-locking pin features a design that actively resists rotation when under load or subjected to vibration. This prevents the pin from backing out unintentionally, a common failure point in standard shackles during dynamic sailing conditions.
Frequently Asked Questions
What makes the Wichard Self-Locking Long D Shackle secure?
Its security is derived from an integrated self-locking pin mechanism that actively prevents accidental loosening from vibration, a critical feature for demanding marine environments.
What is the working load limit (WLL) for this shackle?
The working load limit is specified as 1190 lb, however, this rating is designated for industrial applications only. Users must carefully assess marine safety standards and apply appropriate safety factors for their specific application.
What type of stainless steel is used in this shackle?
This shackle is forged from Grade 316L stainless steel, renowned for its superior corrosion resistance, particularly in harsh saltwater environments.
What are the dimensions of the Wichard Self-Locking Long D Shackle (8mm)?
The 8mm (5/16") diameter shackle has dimensions: A: 1-49/64", B: 5/8", C: 5/16", D: 5/8", E: 9/32", F: 2-33/64", and G: 1-39/64".
Is this shackle suitable for industrial applications?
Yes, the specifications provided, including the working load limit, are designated for industrial applications, indicating its robust design and compliance with those standards.
