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Heavy-Duty Marine Bow Shackles (Anchor Shackles)
Engineered for multi-directional loads, our 316 Stainless Steel Bow Shackles feature a classic "O" (Omega) shape, providing a wider interior clearance than standard D-shackles. This design allows for greater articulation, making them the ideal choice for connecting anchors to chains, mooring buoys, or complex rigging setups where the load angle may change.
Forged from premium Marine Grade 316 Stainless Steel, these shackles offer maximum resistance to saltwater corrosion and pitting, ensuring reliability season after season.
Key Features
- Marine Grade 316 SS: Superior corrosion resistance specifically for saltwater environments, outlasting standard 304 steel.
- Oversized Screw Pin: Features a pin diameter larger than the body diameter (see Chart Dimension B vs A) for enhanced shear strength and safety.
- Bow / Omega Shape: The enlarged loop allows for ample space to accept multiple line ends or thimbles and handles side-loading better than D-shackles.
- Precision Threading: Smooth screw pin operation allows for quick, tool-free assembly while ensuring a secure lock.
Technical Specifications & Size Map
To ensure the perfect fit for your hardware, please refer to the specific dimensions below based on the diagram:
| Size Map | A Body Dia. |
B Pin Dia. |
C Opening Width |
D Inner Height |
WLL (Working Load) |
Weight |
|---|---|---|---|---|---|---|
| 1/4" | 1/4" | 5/16" | 0.47" | 1.13" | 1,100 lbs | 0.046 kg (~0.10 lbs) |
| 5/16" | 5/16" | 3/8" | 0.53" | 1.22" | 1,660 lbs | 0.082 kg (~0.18 lbs) |
| 3/8" | 3/8" | 7/16" | 0.66" | 1.44" | 2,200 lbs | 0.145 kg (~0.32 lbs) |
| 1/2" | 1/2" | 5/8" | 0.81" | 1.88" | 4,400 lbs | 0.338 kg (~0.75 lbs) |
Frequently Asked Questions
Q: What is the difference between Size A and Size B?
A: In marine shackles, the pin (B) is often one size thicker than the body (A) for added strength. For example, our 3/8" shackle (A) actually uses a 7/16" pin (B). Please ensure your chain links or holes can accommodate the Pin Diameter (B).
Q: Why use a Bow Shackle instead of a D-Shackle?
A: Bow shackles (or Anchor shackles) have a larger rounded loop. This allows them to handle loads from multiple directions without binding, making them perfect for anchoring where the boat swings with the tide.
Q: Are these load-rated?
A: Yes, please refer to the WLL (Working Load Limit) column in the table above. These values represent the safe maximum static load. Always apply a safety factor for dynamic or shock loads.
RiaYer
316 Marine Grade Stainless Steel D-Shackle | Heavy Duty Anchor & Rigging (1/4" - 1/2")
- Regular price
- ¥8.99
Heavy-Duty Marine Bow Shackles (Anchor Shackles)
Engineered for multi-directional loads, our 316 Stainless Steel Bow Shackles feature a classic "O" (Omega) shape, providing a wider interior clearance than standard D-shackles. This design allows for greater articulation, making them the ideal choice for connecting anchors to chains, mooring buoys, or complex rigging setups where the load angle may change.
Forged from premium Marine Grade 316 Stainless Steel, these shackles offer maximum resistance to saltwater corrosion and pitting, ensuring reliability season after season.
Key Features
- Marine Grade 316 SS: Superior corrosion resistance specifically for saltwater environments, outlasting standard 304 steel.
- Oversized Screw Pin: Features a pin diameter larger than the body diameter (see Chart Dimension B vs A) for enhanced shear strength and safety.
- Bow / Omega Shape: The enlarged loop allows for ample space to accept multiple line ends or thimbles and handles side-loading better than D-shackles.
- Precision Threading: Smooth screw pin operation allows for quick, tool-free assembly while ensuring a secure lock.
Technical Specifications & Size Map
To ensure the perfect fit for your hardware, please refer to the specific dimensions below based on the diagram:
| Size Map | A Body Dia. |
B Pin Dia. |
C Opening Width |
D Inner Height |
WLL (Working Load) |
Weight |
|---|---|---|---|---|---|---|
| 1/4" | 1/4" | 5/16" | 0.47" | 1.13" | 1,100 lbs | 0.046 kg (~0.10 lbs) |
| 5/16" | 5/16" | 3/8" | 0.53" | 1.22" | 1,660 lbs | 0.082 kg (~0.18 lbs) |
| 3/8" | 3/8" | 7/16" | 0.66" | 1.44" | 2,200 lbs | 0.145 kg (~0.32 lbs) |
| 1/2" | 1/2" | 5/8" | 0.81" | 1.88" | 4,400 lbs | 0.338 kg (~0.75 lbs) |
Frequently Asked Questions
Q: What is the difference between Size A and Size B?
A: In marine shackles, the pin (B) is often one size thicker than the body (A) for added strength. For example, our 3/8" shackle (A) actually uses a 7/16" pin (B). Please ensure your chain links or holes can accommodate the Pin Diameter (B).
Q: Why use a Bow Shackle instead of a D-Shackle?
A: Bow shackles (or Anchor shackles) have a larger rounded loop. This allows them to handle loads from multiple directions without binding, making them perfect for anchoring where the boat swings with the tide.
Q: Are these load-rated?
A: Yes, please refer to the WLL (Working Load Limit) column in the table above. These values represent the safe maximum static load. Always apply a safety factor for dynamic or shock loads.
- Regular price
- ¥8.99
Heavy-Duty Marine Bow Shackles (Anchor Shackles)
Engineered for multi-directional loads, our 316 Stainless Steel Bow Shackles feature a classic "O" (Omega) shape, providing a wider interior clearance than standard D-shackles. This design allows for greater articulation, making them the ideal choice for connecting anchors to chains, mooring buoys, or complex rigging setups where the load angle may change.
Forged from premium Marine Grade 316 Stainless Steel, these shackles offer maximum resistance to saltwater corrosion and pitting, ensuring reliability season after season.
Key Features
- Marine Grade 316 SS: Superior corrosion resistance specifically for saltwater environments, outlasting standard 304 steel.
- Oversized Screw Pin: Features a pin diameter larger than the body diameter (see Chart Dimension B vs A) for enhanced shear strength and safety.
- Bow / Omega Shape: The enlarged loop allows for ample space to accept multiple line ends or thimbles and handles side-loading better than D-shackles.
- Precision Threading: Smooth screw pin operation allows for quick, tool-free assembly while ensuring a secure lock.
Technical Specifications & Size Map
To ensure the perfect fit for your hardware, please refer to the specific dimensions below based on the diagram:
| Size Map | A Body Dia. |
B Pin Dia. |
C Opening Width |
D Inner Height |
WLL (Working Load) |
Weight |
|---|---|---|---|---|---|---|
| 1/4" | 1/4" | 5/16" | 0.47" | 1.13" | 1,100 lbs | 0.046 kg (~0.10 lbs) |
| 5/16" | 5/16" | 3/8" | 0.53" | 1.22" | 1,660 lbs | 0.082 kg (~0.18 lbs) |
| 3/8" | 3/8" | 7/16" | 0.66" | 1.44" | 2,200 lbs | 0.145 kg (~0.32 lbs) |
| 1/2" | 1/2" | 5/8" | 0.81" | 1.88" | 4,400 lbs | 0.338 kg (~0.75 lbs) |
Frequently Asked Questions
Q: What is the difference between Size A and Size B?
A: In marine shackles, the pin (B) is often one size thicker than the body (A) for added strength. For example, our 3/8" shackle (A) actually uses a 7/16" pin (B). Please ensure your chain links or holes can accommodate the Pin Diameter (B).
Q: Why use a Bow Shackle instead of a D-Shackle?
A: Bow shackles (or Anchor shackles) have a larger rounded loop. This allows them to handle loads from multiple directions without binding, making them perfect for anchoring where the boat swings with the tide.
Q: Are these load-rated?
A: Yes, please refer to the WLL (Working Load Limit) column in the table above. These values represent the safe maximum static load. Always apply a safety factor for dynamic or shock loads.
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