Crosby® 1/2" LOK-A-LOY Connecting Link - A-1337

The Crosby® A-1337 1/2" LOK-A-LOY Connecting Link offers a fast, secure solution for assembling Grade 80 or Grade 100 chain sling systems. Built from forged alloy steel and designed for tool-free installation, it’s a go-to for field professionals demanding strength and efficiency.

Each link is quenched, tempered, fatigue-rated, and individually proof-tested to 2.5 times the 15,000 lb working load limit. This coupling meets ASTM A952 / A952M and ASME B30.26 standards and ships with test certification for safety compliance on the jobsite.

Heavy-Duty Chain Coupling for Lifting & Rigging

Designed for rigging pros, sling builders, and heavy lift applications that require strength, speed, and certified performance.

Key Features

• Working Load Limit: 15,000 lbs
• Chain Size Compatibility: 1/2"
• Material: Forged alloy steel, quenched and tempered
• Proof-Tested: 2.5x WLL (certification included)
• Compliance: Meets ASTM A952 / A952M & ASME B30.26
• Use Case: Compatible with Grade 80 & 100 chain
• Design: Fatigue-rated, no special tools required

View Product Safety Warnings

California Residents: WARNING