Description
Wichard 5mm Self-Locking D Shackle | Boat Supply Store
Eliminate the risk of critical rigging components loosening under cyclic loads and vibration with this Wichard Self-Locking D Shackle. Engineered from marine-grade 316L stainless steel, this 5mm (3/16") shackle offers a certified breaking load of 1540 lb and an industrial working load of 700 lb, ensuring robust performance in demanding offshore conditions. Its innovative self-locking pin mechanism provides superior security, preventing accidental detachment during active sailing or in turbulent waters off the Texas coast.
Key Features
- Unparalleled Security: Innovative self-locking pin mechanism prevents accidental loosening from vibration.
- Superior Corrosion Resistance: Forged from premium Grade 316L stainless steel for extended marine lifespan.
- High Strength Ratings: Delivers outstanding working (700 lb industrial) and breaking loads (1540 lb).
- Traceability and Assurance: Features CE marking and batch number for full material and manufacturing traceability.
- Intuitive Operation: Attaches and secures as easily as a standard shackle with a simple pin engagement.
- Vibration Proof Design: Specifically engineered to maintain connection integrity in high-vibration environments.
- Robust Construction: Forged process ensures maximum strength and durability for critical load-bearing applications.
- Compact Dimensions: Offers a secure connection point with minimal footprint, suitable for blocks and heads.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 5mm (3/16") |
| Material | 316L Stainless Steel |
| Self-Locking Pin | Yes |
| Working Load Limit (WLL) - Industrial | 700 lb |
| Breaking Load | 1540 lb |
| Weight | 0.015 lb |
| Dimension A | 33/64" |
| Dimension B | 5/16" |
| Dimension C | 5/32" |
| Dimension D | 5/16" |
| Dimension D Diameter | 5/32" |
| Dimension E | 1/8" |
| Dimension F | 29/32" |
| Dimension G | 25/32" |
| CE Marking | Yes |
| Batch Number | Yes |
Who This Is For
Sailors and marine professionals requiring exceptionally secure connection points for critical rigging, blocks, and other essential hardware subjected to significant vibration and dynamic loads. Ideal for applications where accidental detachment poses a significant safety risk.
How It Compares
| Feature | Wichard 5mm Self-Locking D Shackle | Competitor |
|---|---|---|
| Self-Locking Mechanism | Yes | No |
| Material | 316L Stainless Steel | 316 Stainless Steel |
| Working Load (lb) | 700 | Not specified for marine use |
| Breaking Load (lb) | 1540 | Not specified for marine use |
| WLL (lb) - Industrial | 300 | null |
| Weight (lb) | 0.015 | null |
| CE Marking | Yes | null |
Common Concerns Answered
Is the self-locking mechanism difficult to operate?
While some users note the self-locking pin can be slightly stiffer initially compared to standard screw pin shackles, its operation is intuitive and designed for secure engagement, providing a level of safety that outweighs the minor initial stiffness. The benefit of preventing accidental loosening is paramount in marine environments.
What does the WLL for industrial applications mean for boaters?
The stated Working Load Limit (WLL) is for industrial applications and serves as a baseline for its strength. For marine use, particularly in critical rigging, always consult with a qualified marine rigger or engineer to determine the appropriate WLL based on your specific application, load factors, and safety margins.
Is this shackle strong enough for my sailing needs?
With a breaking load of 1540 lb and an industrial working load of 700 lb, this 5mm shackle is engineered for demanding marine applications. Its 316L stainless steel construction and self-locking feature provide superior security and reliability, ensuring peace of mind for essential connections.
Frequently Asked Questions
What is the working load limit (WLL) for the Wichard Self-Locking D Shackle (5mm)?
The working load limit (WLL) for this shackle is rated at 700 lb for industrial applications. It is crucial to consider specific marine load factors and safety margins for actual use.
What is the breaking load of the Wichard Self-Locking D Shackle (5mm)?
The breaking load of the Wichard Self-Locking D Shackle (5mm) is 1540 lb, indicating its ultimate tensile strength before failure.
What material is the Wichard Self-Locking D Shackle made from?
This shackle is forged from high-grade 316L stainless steel, renowned for its excellent corrosion resistance in marine environments.
What are the dimensions of the Wichard Self-Locking D Shackle (5mm)?
Key dimensions include an overall length (F) of 29/32", an internal width (D) of 5/16", and a pin diameter of 5/32" (equivalent to 3/16" shackle pin).
What applications is this Wichard shackle suitable for?
This shackle is ideal for secure attachment applications such as connecting sailing blocks, headsail attachments, halyard terminations, and other critical rigging points where resistance to accidental loosening is paramount.
