Description
Wichard 8mm Self-Locking Bow Shackle | Boat Supply Store
Engineered for demanding marine applications, this Wichard bow shackle ensures steadfast connections where reliability is paramount. Its Grade 316L stainless steel construction guarantees superior resistance to saltwater corrosion, essential for coastal cruising or offshore passages. With a substantial Working Load of 2110 lb (960 kg) and a precise 8mm (5/16") pin diameter, it provides the necessary strength and security for critical rigging points, halyards, or anchor systems.
Key Features
- Secure Self-locking mechanism with Allen head pin
- Durable Forged in Grade 316L stainless steel
- Snag-Free Low-profile pin head eliminates snagging
- Reliable Resistant to loosening due to vibrations
- High Capacity Outstanding working and breaking loads
- Certified CE marking
- Corrosion Resistant Marine-grade material
- Versatile Suitable for critical rigging
Specifications
| Product Specifications | |
|---|---|
| Diameter | 8mm (5/16") |
| Material | Grade 316L Stainless Steel |
| Self-Locking Mechanism | Allen Head Pin |
| Working Load (WL) | 2110 lb (960 kg) |
| Working Load Limit (WLL) - Industrial | 1190 lb (540 kg) |
| Breaking Load | 5950 lb (2700 kg) |
| Length | 1 29/64" (37mm) |
| Width | 5/8" (16mm) |
| Pin Diameter | 5/16" (8mm) |
Who This Is For
Sailors and marine professionals demanding a secure, vibration-resistant connection point for critical rigging, anchor systems, or halyards. Ideal for applications where a snag-free profile is essential and reliable load-bearing capacity is non-negotiable.
How It Compares
| Feature | Wichard 8mm Self-Locking Bow Shackle | Competitor |
|---|---|---|
| Locking Mechanism | Self-locking Allen head pin with indentations | Threaded pin (requires seizing for full security), Spring-loaded pin with detents |
| Pin Head Profile | Low-profile, does not stick out | Standard threaded pin head, Slightly protruding pin head |
| Vibration Resistance | Outstanding | Moderate (relies on thread tension), Good |
| Material | 316L Stainless Steel | 316 Stainless Steel, 316 Stainless Steel |
| Working Load Limit (WLL) - Industrial | 1190 lb (540 kg) | 1320 lb (600 kg), 1100 lb |
| Breaking Load | 5950 lb (2700 kg) | 6610 lb (3000 kg), 5500 lb |
Common Concerns Answered
Is the Allen key requirement inconvenient?
While an Allen key is required for secure locking, this mechanism provides superior vibration resistance and prevents accidental loosening compared to standard threaded pins, ensuring enhanced safety on critical lines.
What is the difference between Working Load (WL) and Working Load Limit (WLL)?
The Working Load (WL) of 2110 lb is the safe load for nautical applications, while the Working Load Limit (WLL) of 1190 lb is a standard for industrial safety factors and should not be used as the primary load rating for marine use.
Why is the price higher than other shackles?
The premium price reflects the advanced self-locking Allen head pin for enhanced security, the superior Grade 316L stainless steel for maximum corrosion resistance, and the robust construction designed for critical marine load-bearing applications.
Frequently Asked Questions
What type of applications is the Wichard Self-Locking Allen Head Pin Bow Shackle suitable for?
This shackle is ideal for critical connections in sailing and boating, including anchor rodes, halyard terminations, boom vang attachments, and general rigging where security and a snag-free profile are essential.
How does the self-locking mechanism work on this shackle?
The Allen head pin features internal indentations that engage with a spring-loaded ball within the shackle body, securely locking the pin in place and resisting loosening from vibration.
What is the material of this shackle and why is it important?
Constructed from Grade 316L stainless steel, this shackle offers exceptional resistance to corrosion from saltwater and harsh marine environments, ensuring long-term durability and structural integrity.
Can this shackle be used for lifting heavy loads?
The shackle has a Working Load (WL) of 2110 lb for nautical use and a Working Load Limit (WLL) of 1190 lb for industrial applications. Always adhere to the appropriate load ratings for your specific application and consult with a marine rigging professional for critical lifting scenarios.
What is the benefit of the low-profile pin head?
The low-profile pin head sits flush or nearly flush with the shackle body, significantly reducing the risk of snagging on sails, lines, or clothing, which is a critical safety feature on a moving vessel.
