Description
Wichard 12mm Self-Locking D Shackle | Boat Supply Store
This Wichard 12mm (15/32") Grade 316L stainless steel D shackle ensures unparalleled security for critical rigging connections, preventing accidental loosening through its innovative self-locking Allen head pin mechanism. Engineered for demanding marine environments, it boasts an exceptional breaking load of 13220 lb (6000 kg) and a working load of 4580 lb (2080 kg), making it suitable for offshore sailing applications or securing heavy gear on vessels navigating the Gulf Coast. The low-profile pin head significantly reduces the risk of snagging on sails, lines, or deck hardware.
Key Features
- Superior Security with a self-locking Allen head pin mechanism that prevents loosening under vibration.
- Snag-Free Operation due to the low-profile pin head design, minimizing risk to sails and lines.
- Exceptional Strength forged from Grade 316L stainless steel, ensuring longevity in harsh marine conditions.
- High Load Ratings with a breaking load of 13220 lb (6000 kg) for ultimate reliability.
- Corrosion Resistance inherent in Grade 316L stainless steel for extended lifespan.
- Certified Quality with CE marking, indicating compliance with European safety standards.
- Easy Installation utilizing a standard Allen key for secure and rapid attachment.
- Individually Sold for precise quantity procurement for your specific rigging needs.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 12mm (15/32") |
| Material | Grade 316L Stainless Steel |
| Working Load | 4580 lb (2080 kg) |
| Breaking Load | 13220 lb (6000 kg) |
| WLL (Industrial) | 2640 lb (1200 kg) |
| Dimension A | 1-21/32" (42mm) |
| Dimension B | 1-1/16" (27mm) |
| Dimension C | 15/32" (12mm) |
| Dimension D | 15/16" (24mm) |
| Pin Diameter | 15/32" (12mm) |
| Dimension E | 25/64" (10mm) |
| Dimension F | 2-7/8" (73mm) |
| Dimension G | 1-59/64" (49mm) |
| Weight | 0.412 lb (187g) |
Who This Is For
Sailors, boaters, and marine professionals who require the highest level of security and reliability for critical load-bearing connections, especially where vibration or accidental detachment is a primary concern. Ideal for those outfitting performance sailboats or undertaking extensive offshore cruising where equipment failure is not an option.
How It Compares
| Feature | Wichard 12mm Self-Locking D Shackle | Competitor |
|---|---|---|
| Locking Mechanism | Self-Locking Allen Head Pin | Screw Pin |
| Snag-Free Design | Yes (low-profile pin head) | No |
| Material | 316L Stainless Steel | 316 Stainless Steel |
| Diameter | 12mm (15/32") | — |
| Breaking Load | 13220 lb (6000 kg) | 14330 lb |
| Working Load Limit (WLL) - Industrial | 2640 lb (1200 kg) | 2866 lb |
Common Concerns Answered
Is this shackle more expensive than standard options?
While the initial cost is higher than basic screw pin shackles, the Wichard Self-Locking Allen Head Pin D Shackle offers superior security and a reduced risk of accidental loosening, justifying the investment for critical applications where failure is unacceptable.
What does the 'WLL for industrial applications only' mean for marine use?
The 'WLL for industrial applications only' designation is a regulatory specification. For marine safety, always refer to the substantial Working Load rating of 4580 lb (2080 kg) and the exceptional Breaking Load of 13220 lb (6000 kg) for this shackle in its intended marine use.
Why is the price point higher than other 12mm shackles?
The premium price reflects the advanced self-locking pin technology, the robust Grade 316L stainless steel construction, and the enhanced safety features like the snag-free design, which collectively provide superior performance and longevity over simpler shackle designs.
Frequently Asked Questions
What is the working load limit (WLL) for the Wichard Self-Locking Allen Head Pin D Shackle - 12mm in marine applications?
For marine applications, the critical rating to consider is the Working Load of 4580 lb (2080 kg). The WLL of 2640 lb (1200 kg) is designated for industrial use only.
What is the breaking load of the Wichard Self-Locking Allen Head Pin D Shackle - 12mm?
The breaking load for this shackle is a robust 13220 lb (6000 kg), providing a significant margin of safety for critical rigging.
What material is the Wichard Self-Locking Allen Head Pin D Shackle - 12mm made from?
This shackle is forged from high-grade 316L stainless steel, ensuring excellent corrosion resistance and strength in marine environments.
What are the primary dimensions of the Wichard Self-Locking Allen Head Pin D Shackle - 12mm?
Key dimensions include an overall length (F) of 2-7/8" (73mm), an internal width (B) of 1-1/16" (27mm), and a pin diameter (C) of 15/32" (12mm).
What are the advantages of the self-locking pin design on this shackle?
The self-locking Allen head pin is designed to engage with indentations, actively preventing the pin from loosening due to vibration, thereby ensuring a consistently secure connection and enhancing safety.