We have a long core drill bit for sale. It is designed for burrowing on granite, marble, concrete, masonry, etc. Burrowing functional well on construction materials. Perfect balance, work steadily in a high rotating speed.
When it comes to drilling deep into tough materials, a long core drill bit is an excellent tool to have in your arsenal. Whether you're working on construction sites for commercial use or DIY projects at home, this type of drill bit can make your job easier and more efficient.
Long core drill bits are designed to dig deep into hard surfaces such as concrete, brick, and stone. They are made with durable materials that can withstand high pressure and abrasion, so you can expect them to last for a long time. Since they are long, they reach deeper into the material, allowing you to drill holes that are more substantial and reach further down.
⭐ Detailed Description for Long Core Drill Bit
Long Core Drill Bit – Deep Drilling Solution for Stone, Concrete & Masonry
The ToolWits Long Core Drill Bit is engineered for professional contractors who require deep, precise, and stable core drilling in extremely hard materials. Built using premium industrial-grade diamond segments, a heavy-duty steel barrel, and an optimized cutting matrix, this long core bit provides exceptional penetration and durability even under continuous high-load drilling.
Designed for stone quarries, construction sites, infrastructure projects, and stone fabrication workshops, this long diamond core drill bit delivers clean hole edges, excellent drilling speed, and superior lifespan compared to traditional drill bits.
✅ Key Features
1. Extended Length for Deep Drilling
Perfect for drilling through thick concrete slabs, stone blocks, walls, and deep anchor holes.
Supports applications requiring deeper penetration where standard bits cannot reach.
2. Premium Diamond Segment Technology
Segments are made with high-quality synthetic diamonds and metal bonding powders.
Offers superior cutting efficiency and long working life in granite, marble, concrete, and engineered stone.
3. Strong & Durable Steel Body
Reinforced steel tube resists bending, vibration, and cracking.
Maintains stable drilling direction during deep operations.
4. Fast Drilling Speed & Smooth Performance
Engineered for high RPM operation.
Reduces friction and heat buildup for faster drilling and extended segment life.
5. Wet or Dry Drilling Compatibility
Ideal for wet drilling to reduce dust and cool the bit.
Can also be customized for dry drilling requirements.
6. Professional Quality Assurance
Manufactured under ISO9001 quality system.
Certified with CE and SGS standards.
Ensures consistent performance and operational safety.
🔧 Applications of Long Core Drill Bit
The ToolWits long core drill bit is widely used in:
Stone & Quarry
Drilling in granite blocks, marble slabs, sandstone, and engineered stone.
Suitable for quarry block processing and stone workshop fabrication.
Construction & Civil Projects
Electrical wiring channels
Deep anchor bolt holes
Water/Gas/HVAC pipeline penetrations
Reinforced concrete drilling
Masonry & Building Renovation
Brick, block, and cement wall drilling
Structural hole openings
Deep pass-through holes for installations
📌 Technical Advantages
Optimized Diamond Bond
Different segment hardness available depending on granite, marble, or concrete material.
Smooth Chip Removal
Segments and barrel design allow fast debris evacuation during deep drilling.
Lower Vibration & Higher Accuracy
Minimizes bit "walking" and ensures straight hole alignment.
High Heat Resistance
Bonding matrix and steel core withstand high temperature generated during long drilling.
📦 Customization Options
We can customize long core drill bits according to customer needs:
Diameter: 20mm – 300mm
Length: Standard or extended lengths
Segment Height: 8mm, 10mm, 12mm, 15mm
Connection Type: M14, 1/2", 5/8"-11, G1/2, SDS, etc.
Segment Shape: Turbo, roof-type, pointed, K-type, protection segments
MOQ: 10 pcs (can be adjusted for large orders)
1.Product details
Application: stone trimming and drilling
Original: Quanzhou, China
Certification: ISO9001,CE, SGS and etc.
Price: Negotiable
Material: steel base, diamond powder and alloy powder
MOQ: 10pcs
Packing, Storage, Handling and Transportation
After sales service team:
Technical Team:
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