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UNF Hexagon Re-Threading Die Nuts
Our range of UNF hexagon re-threading die nuts is designed for cleaning and restoring damaged external Unified National Fine (UNF) threads. These die nuts are used primarily for thread maintenance and repair rather than cutting new threads.
UNF threads feature a finer pitch than UNC and are commonly used in automotive, aerospace and precision engineering applications where improved clamping performance and adjustment control are required. The hexagonal design allows use with a standard spanner or socket for controlled thread restoration on bolts and studs.
Browse the selection below and refine by UNF thread size to find the correct hexagon re-threading die nut for your application.