The rounded cylinder-shaped SUPER Q® tool steel burs “78” by NIQUA are versatile precision tools designed for machining soft precious metals such as gold, silver, copper, brass, and other soft metals. Thanks to their high-quality tool steel head and rounded cylindrical shape, they allow precise, clean cutting—ideal for jewellery manufacturing, engraving, and fine metalworking.
These burs are particularly robust, run with minimal vibration, and maintain excellent cutting performance even at high rotational speeds. Whether working with gold, silver, or other soft metals, the SUPER Q® “78” is a reliable partner for precise results and long service life.
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