This spiral drill bit has been specifically designed for jewelers and offers a range of advantages to ease your work and improve the quality of your drilling:
- Superior tool life: Tools made from fine-grain carbide have a longer lifespan compared to drill bits made from tool steel or high-performance high-speed steel. Even jeweler's steel can be effortlessly processed.
- Designed primarily for use on pearls and corals.
- Efficient chip removal: The special 4-flute construction facilitates chip removal and reduces the risk of breakage, allowing you to focus on your work.
- Convenient tool change: The uniform shaft diameter of 2.35 mm enables quick and easy tool changes.
Recommended speeds:
- Freehand: 5,000 - 9,000 RPM
- Stationary: 8,000 - 14,000 RPM
Available in various sizes:
| Head Ø |
Head Height |
| 0.70 mm |
10.00 mm |
| 0.80 mm |
10.00 mm |
| 0.90 mm |
12.00 mm |
| 1.00 mm |
12.00 mm |
| 1.10 mm |
12.00 mm |
| 1.20 mm |
12.00 mm |
| 1.30 mm |
12.00 mm |
| 1.40 mm |
12.00 mm |
| 1.50 mm |
12.00 mm |
| 1.60 mm |
12.00 mm |
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