20mm Diamond Core Drill Bit for Marble and Stone - 3/4 Inch Diameter with 50mm Depth Capacity
Professional 20mm diamond core drill bit designed for precision stone drilling applications. This OEM-accepted tool features advanced diamond segments for superior performance on marble, granite, sandstone, and limestone surfaces.
| Item No. | Diameter | Segment Height | Segment Thickness | Segment Type | Total Length |
|---|---|---|---|---|---|
| BGB20 | 20mm (3/4") | 8mm | 2.5mm | Crown | 83mm (3 1/4") |
- 20mm diameter with 10mm (3/8") shank for standard compatibility
- 50mm (2") maximum drilling depth capability
- 8mm high diamond segments for extended tool life
- Crown-type segment design for efficient material removal
- Industrial-grade construction for business and professional use
- GB and SGS certified for quality assurance
Diamond core bits operate through a milling mechanism rather than traditional cutting. Factory-sharpened diamond crystals are exposed on segment surfaces, with metal matrix providing structural support. The optimal balance between diamond performance and bond abrasion-resistance ensures consistent cutting efficiency across various stone materials.
We accept OEM orders for all products and can incorporate buyer logos upon request.
Each product undergoes strict quality inspection with comprehensive data tracking. With 15 years of manufacturing experience, we maintain consistent quality across all production batches.
- Minimum Order: Negotiable based on requirements
- Delivery Time: 15-45 days depending on order quantity
- Shipping Options: Air freight (45-100kg), Sea freight (100kg+), or Courier services for smaller orders
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