The conical helical SUPER Q® “31” tool steel burs from NIQUA are versatile precision tools designed for machining soft precious metals, silver, copper, brass, and other non-ferrous metals. Thanks to their high-quality construction from robust tool steel and the helical (spiral) cutting geometry, these burs deliver exceptionally clean and consistent milling results – ideal for jewellery manufacturing, engraving, and fine metalwork.
The conical shape makes these burs particularly well suited for precise detailing and hard-to-reach areas. The SUPER Q® “31” bur impresses with its long service life, smooth running, and exact cutting performance, even at high rotational speeds.
Product details:
Shank diameter: 2.35 mm
Packaging units: 6 pieces / 72 pieces
Key features:
Clean, precise machining even for fine details
Long service life thanks to robust, high-quality tool steel
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