SecureFix Direct Stainless Steel Countersunk D Shackle - 10mm

This Dee Shackle features a countersunk flush pin, designed to be opened only with a flatnose scre...

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B&QB&Q - Stainless Steel Countersunk D Shackle Slotted Head 10mm (Dee Marine Boat Flush Rigging)
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OnBuy.comStainless Steel Countersunk D Shackle Slotted Head 10Mm 707152585330
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Product Information

Full details

The SecureFix Direct 10mm Countersunk D Shackle is designed for marine enthusiasts, professional riggers, and DIYers who require a high-security, low-profile connection point. Its primary benefit is the flush-fitting pin, which significantly reduces the risk of snagging and unauthorized tampering compared to standard screw collars. While this design provides superior security, it is important to note that it requires a flatnose screwdriver for operation, which may be less convenient in scenarios where quick, tool-free access is necessary.

All features

Model Part NumberSFSSDC10
BrandSecureFix Direct

Extended Product Information

FAQs

Can I open this shackle by hand?

No, the countersunk pin is specifically designed to be operated with a flatnose screwdriver to prevent unauthorized tampering.

What is the breaking load of this shackle?

The breaking load is 3804kg.

Is this shackle suitable for saltwater use?

Yes, it is manufactured from 316 grade stainless steel, which is highly resistant to corrosion in marine and saltwater environments.

What are the physical dimensions of the shackle?

The technical dimensions are A: 34.5mm, B: 22mm, C: 20mm, and D: 10mm.

What happens if the slot becomes stripped?

If the slot is damaged to the point where a screwdriver cannot grip, the pin may need to be carefully extracted using a pair of locking pliers or by cutting a new groove.

Troubleshooting

Pin is difficult to tighten or remove

Clean the pin slot of any grit or dried salt. If the pin is stuck due to galvanic corrosion, apply a penetrating oil and allow it to sit before attempting to unscrew with a screwdriver.

Screwdriver slips out of the slot

Ensure you are using a flatnose screwdriver that matches the width of the slot as closely as possible. Avoid using an undersized tool, which can round out the edges of the pin.

Pros and Cons

Pros

  • High corrosion resistance from 316 marine-grade stainless steel
  • Flush pin design eliminates snagging hazards
  • Increased security compared to traditional thumb-turn pins
  • High load capacity of 3804kg
  • Compact, professional aesthetic

Cons

  • Requires a flatnose screwdriver to operate
  • Not suitable for applications needing rapid, tool-less adjustment
  • Pin may be difficult to remove if debris settles in the slot

Setup, Compatibility & Care

Installation

  1. Ensure the shackle is clean and free of debris.
  2. Align the shackle eyes with your connection point.
  3. Insert the pin manually until it engages the threads.
  4. Use a properly sized flatnose screwdriver to tighten the pin until it is flush with the shackle body.

Compatibility

  • Designed for 10mm hardware interfaces.
  • Compatible with ropes, chains, and steel cables provided they do not exceed the 3804kg breaking load capacity.

Care

  • Periodically rinse with fresh water to prevent salt buildup.
  • Inspect the threaded pin for signs of wear.
  • Apply a marine-grade anti-seize lubricant to the threads if the shackle will remain in place for long durations in saltwater environments.

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