Description
Wichard 8mm Self-Locking D Shackle | Boat Supply Store
For critical rigging points requiring absolute security against accidental disengagement, this Wichard Long D Shackle integrates a self-locking pin mechanism, preventing loosening under vibration. Constructed from Grade 316L stainless steel, it offers superior corrosion resistance for demanding marine environments and boasts a breaking load of 5950 lb. Its extended length is ideal for attaching blocks or hardware where greater separation is necessary, such as on offshore sailboats.
Key Features
- Unparalleled Security with an integrated self-locking pin to prevent accidental loosening.
- Exceptional Strength derived from Grade 316L stainless steel construction.
- Superior Corrosion Resistance ensuring longevity in saltwater environments.
- High Breaking Load of 5950 lb for demanding applications.
- Extended Attachment Length provided by the Long D design.
- Traceability via CE Marking and batch number.
- Vibration Resistance inherent in the self-locking mechanism.
- Professional Grade Hardware trusted in professional marine use.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 8mm (5/16") |
| Material | Forged Grade 316L Stainless Steel |
| 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 demanding the utmost security for critical rigging connections where vibration is a concern. Boaters requiring robust, corrosion-resistant hardware with precise load ratings for complex systems.
How It Compares
| Feature | Wichard 8mm Self-Locking D Shackle | Competitor |
|---|---|---|
| Locking Mechanism | Self-Locking Pin | Swivel Pin |
| Material | 316L Stainless Steel | 316 Stainless Steel |
| Working Load Limit (WLL) | 1190 lb (Industrial Applications) | Approx. 1000-1500 lb |
| Breaking Load | 5950 lb | Not specified |
| Diameter | 8mm (5/16") | — |
Common Concerns Answered
Why is the WLL specified for industrial applications only?
The WLL designation for industrial applications reflects a standardized testing methodology. For marine use, users must apply a safety factor appropriate for their specific application and understand that the breaking load of 5950 lb provides significant reserve capacity.
Is this shackle prone to loosening?
No, the integrated self-locking pin mechanism is specifically engineered to prevent loosening due to vibration, offering a higher level of security than standard screw pin shackles.
Is this shackle more expensive than others?
While the initial cost may be higher than basic screw pin shackles, the advanced self-locking feature and superior Grade 316L stainless steel construction provide enhanced safety and longevity, justifying the investment for critical applications.
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 positively engages to prevent accidental loosening, especially under vibrational stress.
What is the working load limit (WLL) for this shackle?
The working load limit is specified as 1190 lb, however, this is designated for industrial applications only. Users must determine the appropriate safety factor for marine use.
What type of stainless steel is used in this shackle?
This shackle is forged from Grade 316L stainless steel, renowned for its excellent corrosion resistance, particularly in harsh marine environments.
What are the dimensions of the Wichard Self-Locking Long D Shackle (8mm)?
Key dimensions include a 5/16" (8mm) pin diameter, an overall length of 2-33/64", and a working width of 5/8".
Is this shackle suitable for industrial applications?
Yes, the shackle is designed and rated for industrial applications, with a breaking load of 5950 lb, indicating robust construction and high load-bearing capacity.
