Spear-point glass and tile bits with straight shanks for standard drill chucks. Sizes from 3 mm to 12 mm drill clean, chip-free holes in glass, ceramic tile, porcelain and mirror, with the spear geometry grinding rather than grabbing. Factory-direct from a 20-year precision-tools manufacturer with ISO 9001 / 14001 / 45001 triple-system certification.


Execution:
| ΦD (mm) | ΦD (in) | L1 (mm) | Φd (mm) |
| 3 | 1/8 | 58 | 3 |
| 4 | 5/32 | 58 | 3.5 |
| 5 | 3/16 | 58 | 4 |
| 5.5 | 7/32 | 58 | 4 |
| 6 | 15/64 | 58 | 5 |
| 7 | 9/32 | 78 | 5 |
| 8 | 5/16 | 78 | 6 |
| 9 | 11/32 | 98 | 6 |
| 10 | 3/8 | 98 | 6 |
| 12 | 15/32 | 98 | 8 |
Produced in an ISO 9001 / 14001 / 45001 triple-certified facility — every bit is inspected before packing.
Start at low speed with light pressure, keep the tip lubricated with water or paste, and never rock the drill.
Choose the straight shank for standard drill chucks; choose the hex-shank version for impact drivers and quick-change holders.
Yes — custom branding, packaging and bulk size-assortment programs are available.
Email [email protected] or message us on WhatsApp for wholesale pricing, samples and lead times.
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