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BSCY Hexagon Re-Threading Die Nuts

Our range of BSCY hexagon re-threading die nuts is designed for cleaning and restoring external British Standard Cycle (BSCY) threads. These die nuts are primarily used for thread repair and maintenance rather than cutting new threads, making them ideal for restoring damaged studs and bolts.

Commonly used in motorcycle, bicycle and classic engineering applications, BSCY threads are widely found in older British equipment and cycle components. The hexagonal design allows use with standard spanners or sockets for controlled re-threading and maintenance work.

Browse the range below and refine by thread size to find the correct BSCY hexagon re-threading die nut for your application.