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Crosby 5/8″ LOK-A-LOY Connecting Link – A-1337

The Crosby A-1337 5/8″ LOK-A-LOY Connecting Link provides a secure and fast way to connect Grade 80 or Grade 100 chain. No special tools required – just rugged performance and safety you can count on.

Made from forged alloy steel thats been quenched and tempered for durability, each link is fatigue-rated and proof-tested to 2.5 times its 22,600 lb working load limit. Complies with ASTM A952 / A952M and ASME B30.26 standards and ships with test certification for jobsite verification.

High-Capacity Chain Coupling for Rigging Systems

Ideal for riggers, sling builders, and professionals needing certified chain connectivity that holds up in demanding conditions.

Key Features

• Working Load Limit: 22,600 lbs
• Chain Size Compatibility: 5/8″
• Material: Forged alloy steel, quenched and tempered
• Proof-Tested: 2.5x WLL (with certificate)
• Compliance: Meets ASTM A952 / A952M & ASME B30.26
• Use Case: For Grade 80 & Grade 100 chain systems
• Design: Fatigue-rated, installs without special tools

View Product Safety Warnings

California Residents: WARNING