Applications
- Used for wet drilling of granite, marble, sandstone, artificial stone, ceramic tile, and glass.
Specifications
Specification Table
- Diameter (mm)
- 52
- Total Length (mm)
- 370/450
- Segment Size (mm)
- 24×3.5×10/12
Diameter (mm) | Total Length (mm) | Segment Size (mm) | Teeth |
|---|---|---|---|
| 52 | 370/450 | 24×3.5×10/12 | 5 |
| 62 | 370/450 | 24×3.5×10/12 | 6 |
| 102 | 370/450 | 24×4.0×10/12 | 9 |
| 122 | 370/450 | 24×4.0×10/12 | 10 |
| 152 | 370/450 | 24×4.5×10/12 | 11 |
| 182 | 370/450 | 24×4.5×10/12 | 13 |
| 220 | 370/450 | 24×4.5×10/12 | 15 |
| 250 | 370/450 | 24×4.5×10/12 | 16 |
| 300 | 370/450 | 24×5.0×10/12 | 18 |
| 350 | 370/450 | 24×5.0×10/12 | 21 |
Product Overview
Granite/Marble Diamond Core Drill Bit
Thin-wall core bit purpose-built for wet drilling of granite, marble, sandstone, and other hard, brittle non-metallic materials.
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Granite/Marble Diamond Core Drill Bit
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Minimum order 50 pcs per size
Lead time 7-15 days
Availability Standard sizes available for regular production
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Why Granite/Marble Diamond Core Drill Bit
Key reasons this product fits the job
Performance
- Sharp cutter head with long service life and chip-free drilling on hard, brittle materials.
- Consistent cutting performance across natural stone and engineered surfaces.
Technical / Application Info
Wet / Dry Use
Wet drilling only — continuous water cooling required
Machine Compatibility
Standard-connection core drilling machines
Operating Guidance
- Always use wet drilling with sufficient water flow
- Match drilling speed to diameter and material type
Supply & Service
Minimum Order
MOQ applies per individual size — mixed sizes accepted in one order
Lead Time
Standard production: 7–15 days from order confirmation
Customisation
- Custom lengths and segment profiles available
- OEM branding on request
Shipping Terms
EXW / FOB available
Response Time
Quote response within 24 hours on business days
Fit & Use
Fit
Confirm diameter, length, and machine compatibility.
Use
Use wet drilling with adequate water cooling.
Quote
Send quantity, destination, and packaging needs.
Specifications
Specification Table
- Diameter (mm)
- 52
- Total Length (mm)
- 370/450
- Segment Size (mm)
- 24×3.5×10/12
Diameter (mm) | Total Length (mm) | Segment Size (mm) | Teeth |
|---|---|---|---|
| 52 | 370/450 | 24×3.5×10/12 | 5 |
| 62 | 370/450 | 24×3.5×10/12 | 6 |
| 102 | 370/450 | 24×4.0×10/12 | 9 |
| 122 | 370/450 | 24×4.0×10/12 | 10 |
| 152 | 370/450 | 24×4.5×10/12 | 11 |
| 182 | 370/450 | 24×4.5×10/12 | 13 |
| 220 | 370/450 | 24×4.5×10/12 | 15 |
| 250 | 370/450 | 24×4.5×10/12 | 16 |
| 300 | 370/450 | 24×5.0×10/12 | 18 |
| 350 | 370/450 | 24×5.0×10/12 | 21 |