The 4mm chain repair link is a small metal joining link used for repairing, extending or reconnecting light chain and general hardware assemblies. Unlike a screw-lock quick link, this type of repair link is designed to be closed permanently by peening or flattening the open end after fitting.
This compact 4mm size is useful for lighter chain repairs, small hanging chains, garden jobs, storage setups and workshop fixes where a simple fixed connection is needed rather than a removable connector.
Important: This repair link is intended for general-purpose hardware use only. It is not certified for lifting, climbing, towing, rescue or personal safety applications.
See more sizes in our Repair Links collection.
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