Koch 081443/mc651g Anchor Shackle, 5/8 In., 3.25 Ton, Galvanized Steel

The Koch anchor shackle is a forged alloy steel fastener designed for lifting, towing, rigging, and securing heavy loads in demanding environments. Its quick-release screw pin design allows for fast attachment and detachment, making it ideal for construction sites, marine applications, and industrial operations where reliable connection points are essential. The galvanized finish and heat-treated alloy steel construction provide excellent corrosion resistance and durability, whether you're working outdoors, near water, or in harsh conditions.

With a 3.25-ton working load and a 5:1 design factor, this shackle safely handles heavy-duty applications while maintaining a safety margin for peace of mind. It meets Federal Specification RR-C-271D Amendment 1, confirming its suitability for rigorous industrial and professional use.

Features and Benefits

• Quick-Release Screw Pin: Enables fast, tool-free connection and disconnection for efficient workflow in lifting and rigging operations.
• Forged Alloy Steel: Premium material provides exceptional strength and longevity under heavy loads and repeated use.
• Heat Treated and Tempered: Manufacturing process enhances strength and reliability, ensuring consistent performance in critical applications.
• Galvanized Finish: ASTM A153 galvanizing offers outstanding corrosion resistance for outdoor, marine, and wet environments.
• 5:1 Design Factor: Conservative safety margin protects against overload and unexpected stress during towing, lifting, and rigging tasks.
• Federal Specification Compliance: Meets RR-C-271D Amendment 1 requirements for professional-grade fastening.

Specifications

• Brand: Koch Industries
• Model: 081443/MC651G
• Size: 5/8 inch
• Working Load: 3.25 ton
• Material: Alloy steel, forged
• Finish: Galvanized per ASTM A153
• Design Factor: 5:1
• Meets Federal Specification RR-C-271D Amendment 1