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eBay£6.49Visit shop 2pc 12mm Quick Link Screw Lock Chain Fastener Hook Carabiner For Hiking Camping
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The Neilsen Quick Link Screw Lock Chain Fastener Hook (CT2491) is an essential tool for DIY enthusiasts, riggers, and hardware hobbyists who need a reliable, high-strength connection for chains and cables. It provides a secure, permanent-style locking mechanism through its threaded screw gate, offering superior stability compared to standard spring clips. While it is incredibly durable, users should note that the manual screw-down process is slower than quick-release carabiners, making it better suited for static connections rather than applications requiring frequent, rapid disconnection.
| Model Part Number | CT2491 |
|---|---|
| Brand | Neilsen |
It is designed to provide a secure, semi-permanent mechanical connection between two lengths of chain or other compatible hardware.
You should check the specific load rating stamped on your unit; generally, these are intended for workshop and general utility, not certified heavy-duty industrial overhead lifting.
It is made of durable materials with a protective finish to resist rust, but it should be kept dry and inspected regularly if used in consistently damp or salty outdoor environments.
The opening size is 12mm, which refers to the clearance available for your chain or cable to pass through when the gate is fully unscrewed.
It is designed to be tightened by hand. Using tools to overtighten can potentially damage the threads or make it difficult to open later.
Apply a penetrating oil or lubricant to the threads, let it sit for a few minutes, then use pliers to gently break the seal while maintaining the integrity of the threads.
Verify that the nut has been tightened completely to the closed position. If threads appear stripped or worn, immediately replace the unit as its safety rating may be compromised.
To install, rotate the threaded nut counter-clockwise to open the gate, slip your chain links or attachment loops through the 12mm opening, and rotate the nut clockwise until it is finger-tight. Ensure the threads are clear of debris before closing to prevent binding. To maintain the life of the unit, inspect the threads periodically for signs of grit or corrosion. If the nut becomes stiff, a light application of silicone-based lubricant can help maintain smooth operation. Keep the device clean and dry when stored for long periods to preserve the metal finish.
