Description
Wichard HR Key Pin Shackle 8mm | Boat Supply Store
Engineered for extreme environments, this forged D shackle addresses the need for exceptionally strong and reliable connection points on sailing vessels. Its HR 17.4 PH stainless steel construction provides an outstanding working load of 2110 lb (960 kg) and a breaking load of 7710 lb (3500 kg), exceeding standard 316L options by up to 60%. Ideal for critical rigging applications such as halyards or control lines where frequent adjustment or disconnection is required, ensuring operational integrity under high stress.
Key Features
- Exceptional Strength: Utilizes HR 17.4 PH stainless steel for superior load capacities.
- Corrosion Resistance: HR stainless steel grade offers enhanced durability in harsh marine conditions.
- Secure Operation: Key pin design ensures a locked connection, preventing accidental release.
- Frequent Use Design: Optimized for applications requiring repeated opening and closing.
- High Load Performance: Boasts a Working Load of 2110 lb (960 kg) and Breaking Load of 7710 lb (3500 kg).
- Compact Dimensions: Measures 2 21/64" (59mm) in length with an 8mm pin diameter, fitting numerous rigging systems.
- CE Marked: Complies with essential health and safety requirements of European directives.
- Professional Grade: Meets the rigorous demands of competitive sailing and professional marine use.
Specifications
| Product Specifications | |
|---|---|
| Brand | Wichard Marine |
| SKU | CWR97741 |
| MPN | 91434W |
| Material | HR 17.4 PH Stainless Steel |
| Pin Diameter | 8mm |
| Working Load (WL) | 2110 lb (960 kg) |
| Breaking Load | 7710 lb (3500 kg) |
| Weight | 0.271 lb (123 g) |
| Dimension A | 2 21/64" (59mm) |
| Dimension B | 53/64" (21mm) |
| Dimension C | 5/16" (8mm) |
| Dimension D | 43/64" (17mm) |
| Dimension E | 15/64" (6mm) |
| Dimension F | 3 7/64" (79mm) |
| Dimension G | 1 57/64" (48mm) |
| Dimension L | 25/32" (20mm) |
| Safety Certifications | CE marking |
Who This Is For
Sailors and marine professionals who demand uncompromising strength and reliability in high-load rigging scenarios. This shackle is engineered for frequent operational cycles where secure and swift connection/disconnection is paramount.
How It Compares
| Feature | Wichard HR Key Pin Shackle 8mm | Competitor |
|---|---|---|
| Material | HR 17.4 PH Stainless Steel | 316 Stainless Steel, HR Stainless Steel |
| Working Load (lb) | 2110 | Approx. 1500, Approx. 2000 |
| Breaking Load (lb) | 7710 | Approx. 6000, Approx. 7500 |
| Pin Type | Key Pin | Screw Pin, Screw Pin |
Common Concerns Answered
The Working Load Limit (WLL) is stated as only for industrial applications. How should I interpret the load ratings for my boat?
The product's listed Working Load (WL) of 2110 lb (960 kg) is a highly conservative figure for marine use. Marine load ratings are typically derived from industrial standards and often incorporate additional safety factors specific to dynamic loads and harsh environments encountered on the water. Always consult with a qualified rigger for specific application load requirements.
Why is this shackle more expensive than standard 316L stainless steel options?
The higher price point is directly attributable to the advanced HR 17.4 PH stainless steel alloy used, which delivers up to 60% greater tensile strength and superior fatigue resistance compared to conventional 316L stainless steel. This premium material ensures prolonged performance and safety in demanding, high-stress marine environments.
Is the Working Load (WL) rating the same as the Working Load Limit (WLL)?
While often used interchangeably in consumer contexts, 'Working Load' (WL) typically refers to the maximum load a component can safely bear under normal operating conditions. 'Working Load Limit' (WLL) is a more regulated term, often found in industrial safety standards, that incorporates a safety factor. For this shackle, the 2110 lb (960 kg) rating represents its robust capacity for rigorous use.
Frequently Asked Questions
What is the working load limit for the Wichard HR Key Pin Shackle With Bar - 8mm Pin Diameter?
The Working Load (WL) for this shackle is 2110 lb (960 kg). For marine applications, it is crucial to apply appropriate safety factors and consider dynamic loads.
What is the difference between Working Load (WL) and Working Load Limit (WLL) for this shackle?
The product specifies a Working Load (WL) of 2110 lb (960 kg). While WLL is a regulatory term often including a safety factor for industrial settings, the WL here signifies the maximum load for which the shackle is designed for reliable operation in demanding conditions.
What type of stainless steel is used in this Wichard shackle?
This Wichard shackle is constructed from HR 17.4 PH stainless steel, a high-strength, precipitation-hardening martensitic alloy known for its exceptional mechanical properties and corrosion resistance.
What are the primary applications for this shackle?
Its high strength and key pin design make it ideal for demanding applications such as connecting halyards, control lines, or other critical rigging points on sailboats where frequent adjustment or disconnection is necessary under significant load.
Can this shackle be used for mooring applications?
No, this shackle is specifically designed for high loads and frequent opening/closing in rigging applications and is not recommended for static mooring applications.
