Stainless Steel Bolt D Shackle
The bolt type D shackle shown above is a precision-engineered component used extensively in lifting, rigging, and marine applications. Manufactured from high-grade austenitic stainless steels SUS304 and SUS316, these shackles offer robust mechanical strength along with superior corrosion resistance — the latter being critical in saltwater and other harsh environments.
Design Features:
Form: The “D” or straight-sided shape provides excellent load distribution along the axis, making it ideal for inline tensile loads.
Threaded Bolt with Hex Nuts: Unlike pin-style shackles, this variant features a machined bolt secured with a nut and cotter pin, enhancing safety by preventing accidental disengagement under load or vibration.
Material Options:
SUS304: Standard for general-purpose use in less aggressive environments.
SUS316: Contains molybdenum, offering enhanced pitting resistance, making it preferable for marine and chloride-heavy conditions.
Technical Specs Overview:
Sizes range from SBU-6 (6 mm pin diameter) to SBU-32 (35 mm).
Working Load Limit (WLL) spans 1.76 kN to 49 kN, correlating with size and mass.
Thread sizes range from M6 to M36, with corresponding increases in load capacity and weight.
Weight: From 29g (SBU-6) up to 5080g (SBU-32), aiding in selection based on structural and handling considerations.
This shackle type is frequently chosen when safety and repeat load application are critical, such as in engineered lifting systems, offshore platforms, or precision load securing. The inclusion of both SUS304 and SUS316 variants ensures adaptability to both standard and corrosive operational settings.
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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