Busch 8203 diamond twist drills are precision rotary drills for working in hard materials such as gemstones, glass, and onyx. Each size is supplied as a pack of two drills with a standard 2.35 mm (approximately 3/32") shank. Their diamond cutting surface provides controlled material removal for small, precise drilling work.
| Part # | Drill Diameter |
|---|---|
| B128.828 | 0.80 mm (0.031 in) |
| B128.829 | 0.90 mm (0.035 in) |
| B128.830 | 1.00 mm (0.039 in) |
| B128.831 | 1.10 mm (0.043 in) |
| B128.832 | 1.20 mm (0.047 in) |
| B128.833 | 1.30 mm (0.051 in) |
| B128.834 | 1.40 mm (0.055 in) |
| B128.835 | 1.50 mm (0.059 in) |
Designed for standard pendant drills, micromotors, and quick-change handpieces that accept a 2.35 mm (approximately 3/32") shank.
Always use a cooling liquid or water lubrication while operating these diamond twist drills to help prevent overheating and damage.
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