Crosby® 5/16" LOK-A-LOY Connecting Link - A-1337

The Crosby® A-1337 5/16" LOK-A-LOY Connecting Link is designed for fast, secure chain assembly in overhead lifting and heavy-duty rigging setups. No special tools required-just reliable performance in the field.

Built from forged alloy steel, quenched and tempered for high strength, this link is fatigue-rated and proof-tested to 2.5 times the working load limit. Compatible with both Grade 80 and Grade 100 chain, and compliant with ASTM A952 / A952M and ASME B30.26 standards. Ideal for sling builders, riggers, and load handling professionals.

Fast-Install Chain Link for Grade 80 & 100 Systems

Field-proven coupling solution for chain slings, load securement, and overhead lifting where safety and efficiency matter.

Key Features

• Working Load Limit: 5,700 lbs
• Chain Size Compatibility: 5/16"
• Material: Forged alloy steel, quenched and tempered
• Proof-Tested: 2.5x WLL, with certificate
• Compliance: Meets ASTM A952 / A952M & ASME B30.26
• Use Case: Works with Grade 80 & Grade 100 chain
• Design: Fatigue-rated, no special tools needed

View Product Safety Warnings

California Residents: WARNING