Koch 081253 Anchor Shackle, Screw Pin, 5/16 In, 1500 Lb Wll

An anchor shackle with screw pin is a heavy-duty fastening device used in rigging, lifting, and securing applications across construction, marine, industrial, and outdoor environments. The Koch Industries 5/16 inch anchor shackle provides a reliable connection point for cables, chains, and ropes when you need to lift heavy loads, secure equipment, or anchor objects safely. The threaded pin design simplifies attachment and detachment compared to other shackle styles.

This shackle is forged from alloy steel that is heat treated and tempered to deliver superior strength and durability. The galvanized finish resists corrosion, ensuring the shackle performs dependably in harsh marine, wet, and outdoor conditions over years of use. With a 5:1 design factor and 1500 pound working load limit, it offers a wide safety margin for demanding applications while meeting Federal Specification RR-C-271D Amendment 1 standards.

Features and Benefits

• Screw Pin Design: Threaded pin simplifies attachment and detachment compared to other shackle types.
• Heat Treated Alloy Steel: Forged construction with heat treatment and tempering delivers high strength and durability.
• Galvanized Finish: ASTM A153 galvanizing provides corrosion resistance for marine, wet, and outdoor environments.
• 1500 Pound Capacity: Working load limit of 1500 pounds supports heavy lifting and rigging tasks.
• 5:1 Design Factor: Extra safety margin built in for secure, reliable performance.
• Federal Specification Compliance: Meets RR-C-271D Amendment 1 standards for professional and industrial use.

Specifications

• Brand: Koch Industries
• Model: 081253/MC647G
• Size: 5/16 inch
• Working Load Limit: 1500 pounds
• Material: Alloy steel, heat treated and tempered
• Finish: Galvanized per ASTM A153
• Design Factor: 5:1
• Standards: Federal Specification RR-C-271D Amendment 1