Koch Industries 081373 Screw Pin Anchor Shackle, 1/2 In., 4000 Lb

The Koch Industries 081373 Screw Pin Anchor Shackle is a heavy-duty fastening solution engineered for demanding marine, industrial, and construction applications. This robust shackle is designed to safely secure loads, connect chains, and create reliable anchor points where strength and durability are essential. The screw pin design enables practical attachment and detachment for lifting, towing, rigging, and other load-securing tasks.

Built to withstand rigorous use and harsh environments, this anchor shackle meets the stringent requirements of Federal Specification RR-C-271D Amendment 1. Its alloy steel construction, combined with heat treatment and tempering, delivers superior strength and reliability. The hot-dip galvanized finish per ASTM A153 provides excellent corrosion resistance, ensuring long service life whether used in marine settings, construction sites, or industrial facilities.

Features and Benefits

• High-Strength Construction: Forged alloy steel pins that are heat treated and tempered for enhanced durability and load-bearing capacity.
• Corrosion Resistance: Hot-dip galvanized finish per ASTM A153 protects against rust and extends the shackle's lifespan in wet or corrosive environments.
• Screw Pin Design: Allows for practical attachment and detachment in lifting, towing, and rigging applications.
• Safety Design Factor: 5:1 design factor provides added safety margin for peace of mind during heavy-duty applications.
• Versatile Applications: Ideal for marine rigging, construction, lifting operations, towing, and securing heavy loads.

Specifications

• Brand: Koch Industries
• Model: 081373/MC650G
• Size: 1/2 inch
• Working Load: 4000 pounds
• Design Factor: 5:1
• Material: Carbon steel body with alloy steel pins
• Finish: Hot-dip galvanized per ASTM A153
• Federal Specification: Meets RR-C-271D Amendment 1