----------------------------- UPON REQUEST ---------------------------
The SUPER Q® Black Line "31" burr, with its conical helicoidal shape, offers the highest precision and durability for goldsmiths, setters, and jewelry makers. With a service life 10 times longer than tool steel, the cutting edges remain permanently sharp, even on challenging precious metals.
The innovative Black Line coating prevents clogging of the cutting teeth , reduces shrinkage in the cutter head diameter and minimizes heat generation , so that the cutter remains cool, sharp and dimensionally stable .
Ideal for engraving, chamfering, contouring and precise machining of gold, silver, platinum or stainless steel – for a consistent milling pattern and maximum control.
Product details:
- Shaft diameter: 2.35 mm
- Sales unit: 6 pieces
Advantages:
- 10x longer service life compared to tool steel
- Permanently sharp cutting edges on hard metals
- Coating prevents clogging and loss of diameter
- Low heat generation
- Perfect for engraving, setting and goldsmithing
- Highest precision and efficiency
| O | Item no. |
| 0.70mm | 03 107 007 |
| 0.80mm | 03 107 008 |
| 0.90mm | 03 107 009 |
| 1.00mm | 03 107 010 |
| 1.20mm | 03 107 012 |
| 1.40mm | 03 107 014 |
| 1.60mm | 03 107 016 |
| 1.80mm | 03 107 018 |
| 2.10mm | 03 107 021 |
| 2.30mm | 03 107 023 |
| 2.50mm | 03 107 025 |
| 2.70mm | 03 107 027 |