The Crosby A-1337 Lok-A-Loy Connecting Link delivers fast, secure connections for Grade 100 and Grade 80 chain sling assemblies. These heavy-duty connecting links support demanding lifting and rigging applications across industrial environments. Crosby engineers each link for strength, durability, and dependable field performance.
Each connecting link features a forged alloy steel body that withstands tough working conditions. The durable construction resists wear during repeated lifting operations. Crosby also designs every A-1337 Lok-A-Loy Connecting Link with a 4:1 design factor for added reliability and safety.
These connecting links meet several industry standards, including ASTM A952, EN 1677, and AS 3776 requirements. Crosby proof-tests every unit to twice the Working Load Limit before shipment. This testing process helps ensure consistent performance during overhead lifting and material handling tasks.
The Lok-A-Loy design simplifies chain sling assembly and repair procedures. Users can quickly assemble or disassemble the connection without complicated tools or excessive downtime. This efficient design reduces maintenance time and improves productivity on the jobsite.
Crosby offers these connecting links in a wide range of sizes for different lifting capacities. Available sizes range from 7/32-inch to 1-1/4-inch. Working Load Limits range from 4,300 pounds to 72,300 pounds. This broad selection supports many chain sling configurations and lifting requirements.
The Crosby A-1337 Lok-A-Loy Connecting Link performs well in construction, manufacturing, transportation, and material handling applications. These links create strong and dependable connections between chain components and lifting hardware. Their rugged design supports heavy loads in demanding environments.
Contractors, rigging professionals, and industrial operators trust Crosby products for reliable lifting performance. The A-1337 Lok-A-Loy Connecting Link combines strength, safety, and convenience in one durable solution. Its high-strength construction and user-friendly design make it an excellent choice for chain sling fabrication, repair, and daily lifting operations.
Crosby® A-1337 Connecting Link Dimensions
| Chain Size | (mm) | Stock No. | Pkg. Qty. | Weight Each (lb) | Working Load Limit (lb) | Dimensions (in) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | ||||||
| 9/32 (1/4) | 7 | 1015104 | 60 | 0.29 | 4300 | 0.38 | 1.94 | 2.00 | 0.80 | 0.68 | 0.53 |
| 5/16 | 8 | 1015113 | 50 | 0.42 | 5700 | 0.37 | 2.36 | 2.13 | 0.99 | 0.72 | 0.59 |
| 3/8 | 10 | 1015122 | 40 | 0.77 | 8800 | 0.51 | 2.65 | 2.55 | 1.09 | 0.91 | 0.73 |
| 1/2 | 13 | 1015136 | 12 | 1.60 | 15000 | 0.68 | 3.46 | 3.39 | 1.45 | 1.13 | 0.89 |
| 5/8 | 16 | 1015145 | 10 | 3.10 | 22600 | 0.78 | 4.25 | 4.00 | 1.77 | 1.34 | 1.20 |
| 3/4 | 20 | 1015154 | 1 | 6.39 | 35300 | 1.01 | 5.14 | 5.30 | 2.15 | 1.64 | 1.56 |
| 7/8 | 22 | 1015163 | 1 | 7.85 | 42700 | 1.09 | 5.46 | 5.78 | 2.27 | 1.97 | 1.55 |
| 1 | 26 | 1015172 | 1 | 11.05 | 59700 | 1.24 | 5.94 | 6.50 | 2.41 | 2.21 | 1.88 |
| 1-1/4 | 32 | 1015181 | 1 | 21.00 | 90400 | 1.56 | 7.43 | 7.60 | 3.07 | 2.57 | 2.22 |
4:1 Design Factor
