Description
Overview
The Shackle Dee Captive Pin Stainless Steel 4 mm (Part Number: RWB2402) delivers dependable strength for rigging, anchoring, and general boat use. Manufacturers craft this shackle from 316 grade stainless steel, which offers excellent corrosion resistance. In addition, the captive pin design ensures you will not lose the pin during operation. As a result, the compact 4 mm shackle remains a reliable choice for marine professionals and DIY users.
Features
- Made from genuine 316 grade stainless steel to resist rust and corrosion
- Captive pin design stops the pin from being lost during handling
- Polished finish reduces tea staining and improves durability
- Compact 4 mm size makes it suitable for light rigging and hardware
Specifications and Materials
| Shackle Type | Dee (D-shackle) with Captive Pin |
| Material | 316 Marine Grade Stainless Steel |
| Diameter (D) | 4 mm |
| Safe Working Load (SWL) | 210 kg |
| Part Number | RWB2402 |
Every production batch uses controlled alloy mixes, and technicians verify that the material meets 316 grade standards. Therefore, you can rely on consistent quality and performance.
Compatibility and Fitment
This 4 mm captive pin dee shackle fits perfectly with small-scale rigging, sail shade fittings, or balustrading projects. Because of its compact design, it connects easily with cables, chains, or hardware that match the 4 mm specification. Moreover, it works well in both marine and outdoor conditions.
Compliance and Safety
316 stainless steel complies with marine-grade performance benchmarks. For further material properties and safe use guidance, review the ASSDA Stainless Steel Stock Guide. Always confirm the safe working load before installation. In addition, avoid overloading to maintain safety standards.
Marine Applications
Boaters frequently use captive pin shackles because they prevent small parts from being dropped into the water. For example, you can secure anchor chains, attach rigging lines, or fix deck fittings without worrying about losing the pin. Furthermore, the high corrosion resistance makes this shackle equally effective in outdoor non-marine uses such as shade sail structures or stainless balustrades.
Why Choose Argomarine
Argomarine consistently supplies tested and verified marine hardware that withstands tough Australian conditions. Because we prioritise accuracy and durability, you receive products that meet genuine technical specifications. Explore more rigging and stainless fasteners in our Boat & Trailer Accessories category.

