National Mfg N240-374 Zinc Cold Shut 7/16 Inches 10-pack

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N240-374 is a zinc cold shut designed for temporary chain link repair and coupling chain attachments. Cold shuts are open-link fasteners that can be closed by hand or with light tooling, making them a fast field fix when a chain link fails. This unit is zinc-finished for basic corrosion resistance and sized at 7/16 inches. The package contains 10 cold shuts, sold as a bulk-bagged set. This hardware is intended for temporary use only and must not be reused after closure. Tradespeople, maintenance crews, and contractors working with chain rigging or fencing keep these on hand for quick repairs.

The N240-374 cold shut is suited for light-duty chain repair and coupling tasks in general trade, maintenance, and contractor applications. At 7/16 inches, it is sized to work with chain one size smaller, following standard practice of selecting a cold shut one size larger than the chain being repaired. It is appropriate for use where a fast, temporary link connection is needed and the assembly will be replaced with a permanent solution once the repair window allows.

Key Features

• Zinc finish provides basic corrosion resistance for general use
• 7/16 inch size — select one size larger than the chain being repaired
• Suitable for temporary chain link repair and coupling chain attachments
• Single-use only — do not reuse after closure
• Bulk-bagged pack of 10 for convenient jobsite storage

Compatibility

Designed as a temporary repair link for standard chain one size smaller than 7/16 inches. Can also be used to couple chain attachments where a temporary connection is acceptable.

Installation Notes

Cold shuts are installed by inserting the open link through the chain and closing the gate with pliers or a suitable hand tool. Always select a cold shut one size larger than the chain it will connect. Once closed, the link is permanently deformed and must not be reopened or reused. Replace the temporary repair with a permanent chain link or coupling as soon as practical.