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Crosby A-1337 Lok-A-Loy Connecting Links – Secure Chain Couplers for Grade 100 & 80

Crosby A-1337 Lok-A-Loy Connecting Links are designed for quick and secure connections in Grade 100 and Grade 80 chain sling assemblies, providing high-strength, durable coupling for lifting and rigging applications. Engineered with a forged alloy steel body and a 4:1 design factor, these connecting links offer reliable performance and meet ASTM A952, EN 1677, and AS 3776 standards. Available in sizes from 7/32" (4,300 lbs WLL) to 1-1/4" (72,300 lbs WLL), these links are individually proof-tested to twice the Working Load Limit (WLL) for added safety. The Lok-A-Loy design allows for easy assembly and disassembly, making it an ideal solution for chain sling fabrication and repair. Built for heavy-duty lifting, Crosby A-1337 Connecting Links provide a strong and dependable connection for industrial, construction, and material handling applications.

Click here to download a PDF file for additional specifications.

Order Sheet

MPN Chain Diameter WLL (lbs) Weight (lbs) Price Quantity
1015104 9/32" (1/4") 4300 0.26 $52.20
1015113 5/16" 5700 0.35 $57.20
1015122 3/8" 8800 0.75 $62.10
1015136 1/2" 15000 1.6 $97.50
1015145 5/8" 22600 2.68 $124.60
1015154 3/4" 35300 5 $179.90
1015163 7/8" 42700 7.5 $272.00
1015172 1" 59700 11.03 $567.00
1015181 1-1/4" 90400 20.38 $810.00

Products

MPN: 1015104
Chain Diameter : 9/32" (1/4")
WLL (lbs) : 4300
Weight (lbs) : 0.26
Price: $52.20
MPN: 1015113
Chain Diameter : 5/16"
WLL (lbs) : 5700
Weight (lbs) : 0.35
Price: $57.20
MPN: 1015122
Chain Diameter : 3/8"
WLL (lbs) : 8800
Weight (lbs) : 0.75
Price: $62.10
MPN: 1015136
Chain Diameter : 1/2"
WLL (lbs) : 15000
Weight (lbs) : 1.6
Price: $97.50
MPN: 1015145
Chain Diameter : 5/8"
WLL (lbs) : 22600
Weight (lbs) : 2.68
Price: $124.60
MPN: 1015154
Chain Diameter : 3/4"
WLL (lbs) : 35300
Weight (lbs) : 5
Price: $179.90
MPN: 1015163
Chain Diameter : 7/8"
WLL (lbs) : 42700
Weight (lbs) : 7.5
Price: $272.00
MPN: 1015172
Chain Diameter : 1"
WLL (lbs) : 59700
Weight (lbs) : 11.03
Price: $567.00
MPN: 1015181
Chain Diameter : 1-1/4"
WLL (lbs) : 90400
Weight (lbs) : 20.38
Price: $810.00

Crosby A-1337 Lok-A-Loy Connecting Links – Secure Chain Couplers for Grade 100 & 80

Crosby A-1337 Lok-A-Loy Connecting Links are designed for quick and secure connections in Grade 100 and Grade 80 chain sling assemblies, providing high-strength, durable coupling for lifting and rigging applications. Engineered with a forged alloy steel body and a 4:1 design factor, these connecting links offer reliable performance and meet ASTM A952, EN 1677, and AS 3776 standards. Available in sizes from 7/32" (4,300 lbs WLL) to 1-1/4" (72,300 lbs WLL), these links are individually proof-tested to twice the Working Load Limit (WLL) for added safety. The Lok-A-Loy design allows for easy assembly and disassembly, making it an ideal solution for chain sling fabrication and repair. Built for heavy-duty lifting, Crosby A-1337 Connecting Links provide a strong and dependable connection for industrial, construction, and material handling applications.

Click here to download a PDF file for additional specifications.