✅Diamond Core Drills
High-Performance Diamond Core Drills for Professional Stone & Concrete Drilling
Our Diamond Core Drills are engineered for high-precision drilling in the toughest materials, including granite, marble, concrete, reinforced concrete, masonry, brick, ceramic tile, and natural stone. Manufactured using premium-grade industrial diamonds and advanced metal-bonded segment technology, these core drills deliver superior cutting efficiency, long tool life, and stable performance for both wet and dry drilling applications.
Advanced Diamond Segment Technology
Each drill features laser-welded or sintered diamond segments made from a blend of high-quality diamond powder and wear-resistant alloy. This ensures:
Fast drilling speed with reduced friction
Excellent heat dissipation for long working hours
High strength and impact resistance during heavy-duty cutting
Consistent cutting performance from start to finish
Longer service life compared to traditional drilling tools
Our diamond segments are optimized for maximum sharpness and durability, allowing you to drill clean and accurate holes-even in dense, abrasive stone materials.
Precision-Engineered Core Drill Body
The core drill barrel is built from high-strength steel tube, ensuring:
Accurate hole diameter
Smooth running at high RPM
Vibration reduction for safer and more stable drilling
Better control and straighter core extraction
The robust body allows repeated use, making it highly cost-effective for contractors and stone processing workshops.
Wide Range of Applications
Toolwits Diamond Core Drills are suitable for:
Concrete hole drilling for plumbing, HVAC, electrical conduits
Stone countertop fabrication and installation
Quarry stone core extraction
Construction and renovation projects
Core sampling in geology and mining
Tile and ceramic hole drilling
Marble and granite engineering projects
Whether you are cutting soft limestone or high-strength reinforced concrete, our core drills deliver clean, chip-free results.
Wet & Dry Drilling Compatibility
Depending on size and segment type, our diamond core drills can be used for:
Wet drilling (recommended for longer life and dust reduction)
Dry drilling (ideal for on-site construction where water supply is limited)
Water cooling significantly increases tool life by reducing heat and abrasive wear.
Customizable Specifications
We offer full customization to match different machines and drilling needs:
Bore sizes: Φ6mm – Φ500mm
Connection types: M14, 5/8"-11, SDS, Hex, or custom
Segment height and thickness adjustable
Wet or dry drilling options
Lengths: 80mm, 100mm, 150mm, 300mm, 450mm, 500mm, 1000mm, etc.
Custom diamond grit and bond formulas for different materials
Custom OEM/ODM service is available for distributors and tool brands.
Why Choose Toolwits Diamond Core Drills?
Superior cutting speed and drilling precision
Manufactured with high-grade industrial diamonds
Strong and durable steel body for professional use
Stable operation with reduced vibration
Long lifespan and excellent cost performance
Ideal for stone factories, construction sites, and drilling contractors
Low MOQ starting from 1 piece
Certified quality: ISO9001, CE, SGS
Toolwits is trusted by customers worldwide for reliable diamond tools used in quarrying, stone processing, and construction engineering.
Packing, Storage, Handling and Transportation
After sales service team
Technical Team
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