Screw Pin Large Semi-Round D Shackle

A Screw Pin Large Semi-Round D Shackle is a critical piece of hardware used in various rigging, lifting, and marine applications. This particular type is crafted from SUS304 stainless steel, offering excellent corrosion resistance, making it ideal for harsh environments like marine and outdoor use.

Key Features & Specifications

1. Design & Structure

   • The semi-round "D" shape provides a broad internal width, making it suitable for accommodating multiple attachment points.

   • The screw pin closure allows for easy installation and removal while maintaining a secure connection.

2. Material

   • SUS304 Stainless Steel: Known for its durability, strength, and high resistance to rust and oxidation.

   • Ideal for applications exposed to water, moisture, and chemicals.

3. Available Sizes & Load Ratings
   The shackle is available in three sizes, each with different weight-bearing capacities:

   • RSB-5 (5mm Diameter): Working Load Limit (WLL) of 70 kgf (0.69 kN)

   • RSB-6 (6mm Diameter): WLL of 90 kgf (0.88 kN)

   • RSB-8 (8mm Diameter): WLL of 150 kgf (1.47 kN)

   These specifications ensure users can choose the appropriate size based on their load requirements.

4. Applications

   • Marine & Boating: Ideal for rigging applications where exposure to saltwater is a concern.

   • Industrial & Construction: Used for securing loads, lifting, and connecting chains or cables.

   • Outdoor & Recreational: Common in camping, climbing, and securing heavy-duty gear.

5. Threaded Pin for Secure Fastening
   The shackle features a threaded pin closure, making it easy to lock and unlock without requiring additional tools. This feature enhances convenience while maintaining safety in critical load-bearing applications.

Why Choose a Semi-Round D Shackle?

Unlike standard D-shackles, the semi-round design provides extra space for attachments and offers a better load distribution, reducing stress on connected components. The SUS304 stainless steel composition further ensures longevity and reliability, making it a go-to choice for demanding environments.

Why Choose Mizken’s Stainless Steel Shackles?

We are committed to providing top-quality rigging hardware for our customers. Here’s why you should consider buying Mizken’s stainless steel shackles from us:

✅ Premium-Grade Stainless Steel – Highly resistant to rust, corrosion, and wear.
✅ Wide Range of Sizes & Types – From D-shackles to turnbuckles, we offer options for every application.
✅ Trusted Brand – Mizken is a reliable supplier known for precision engineering and good reputation throughout Japan.
✅ Perfect for Multiple Industries – Whether you work in marine, industrial, construction, or outdoor activities, these shackles deliver the strength and durability you need.

We procure and deliver Mizken’s products to your door! If you have any questions or need recommendations, feel free to reach out to us.

Stainless Steel Shackles and Size Charts

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