High Precision Diamond Core Bit for Concrete & Steel Drilling
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Product Highlights
- 40 Years Manufacturing Experience: Nearly 40 years of production experience ensures high-quality core drill bits.
- 3-5 Times Longer Service Life: Diamond particles and wear-resistant matrix increase lifespan by 3-5 times.
- Fast Drilling Speed: High-quality diamond particles enable fast penetration and no slipping.
- Smooth Hole Quality: Scientific chip removal groove ensures smooth hole walls without burrs.
- Wide Equipment Compatibility: Standardized interface compatible with most water drilling equipment.
- High Customer Satisfaction: Over 95% of customers sign formal orders after testing samples.
- Global Market Coverage: Products exported worldwide to Americas, Europe, Middle East, Africa, etc.
- Customizable Product Options: Product can be customized for specific applications and sizes.
Product Attributes
- Customized
- Customized
- Standard
- GB/T 19001
- Length
- 370/450mm
- Model NO.
- SZHNT
- Type
- Core Drill Bit
- Material
- Diamond
- Usage
- Masonry Drilling
- Applications
- Reinforced Concrete\Brick Wall
- Sales Model
- Factory Direct
- Performance
- Fast Edge Exposure\Fast Drilling Speed
- Other
- The Product Can Be Customized
- Transport Package
- Carton
- Specification
- 18mm-400mm
- Origin
- Shijiazhuang City, Hebei Province, China
- HS Code
- 82023910
- Production Capacity
- 50000pieces/Month
- Package Size
- 20.00cm * 40.00cm * 45.00cm
- Package Gross Weight
- 3.000kg
Product Images of High Precision Diamond Core Bit for Concrete & Steel Drilling
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Product Description
As a direct manufacturer of core drill bits with nearly 40 years of production experience, our company exports 100% of its products worldwide. They cover key markets across regions including the Americas, Europe, the Middle East, Africa, South Asia and Oceania, such as the United States, the United Kingdom, Dubai, South Africa and Australia. We also provide installation and commissioning solutions for diamond saw blades. Thanks to stable and reliable product quality, over 95% of customers sign formal purchase orders after testing samples.




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In drilling operations on hard materials such as reinforced concrete and stone, diamond core drill bits stand out as a powerful tool due to their outstanding performance. By choosing our diamond core drill bits, you will enjoy the following core advantages:
1. Strong Cutting Force and Superb Efficiency
Combined with high-quality diamond particles and a special matrix formula, they can easily cut through hard materials like reinforced concrete, granite, and marble. During drilling, they feature fast penetration and no slipping, greatly shortening the construction time and making your project progress "one step ahead".
2. Wear-Resistant and Long-Lasting
The diamond particles are evenly distributed and have strong adhesion, and the matrix has excellent wear resistance. Compared with ordinary drill bits, their service life is increased by 3-5 times, reducing the trouble of frequent bit changes and lowering construction costs.
3. Smooth Chip Removal and Perfect Hole Shape
The inner wall of the drill bit is designed with a scientific chip removal groove, and together with the water cooling system, chips are quickly discharged during drilling, and the hole wall is smooth without burrs. Whether it is for punching in home decoration or drilling in large-scale projects, it can present a high-quality hole shape.
4. Wide Compatibility and High Stability
With a standardized connection interface, they are compatible with most water drilling equipment on the market. During the drilling process, there is little vibration and high stability. Even in complex working conditions, they can ensure drilling accuracy, making construction more worry-free.
From pipe drilling in home decoration to reinforced concrete drilling in construction projects, our diamond core drill bits, with their core advantages of "high efficiency, durability, and high quality", have become a reliable partner for your drilling operations. Choosing them means choosing a construction experience of "drill once and benefit for a long time"!
Q: What is the expected service life of diamond core drills?
A: It depends on the material being cut, with a comprehensive service life of 30-50 meters.
Q: Do you provide samples prior to bulk ordering?
A: Yes, we will provide samples for your evaluation to determine whether to place a bulk order. Samples need to be purchased at full price initially, but please rest assured that when you place the bulk order subsequently, we will deduct the total cost of the samples from your bulk order amount. This way, you won't end up paying extra for the samples.
Q: What is the delivery lead time for a bulk order of 1,000 pieces?
A: It is 7-10 working days for standard sizes; 15-20 working days for custom sizes.
About the Supplier
Company Profile
Leading Manufacturer of Diamond Cutting & Grinding Tools
With four decades of unwavering dedication to precision engineering and global trade excellence, Wangdu Wanhuida Machinery Co., Ltd. Stands as a trusted manufacturer and supplier of high-performance diamond tools, specializing in diamond saw blades, diamond grinding discs, and diamond core drills. Founded with a vision to redefine reliability and efficiency in the stone processing, construction, and manufacturing industries, we have evolved from a regional workshop to an international enterprise serving over 80 countries across Europe, North America, Southeast Asia, and the Middle East. Our commitment to quality, innovation, and customer-centricity has earned us a reputation as a preferred partner for professionals seeking durable, precise, and cost-effective diamond tool solutions.
At the heart of our operations lies a state-of-the-art manufacturing facility spanning 1514 square meters. We adhere to strict international standards, including ISO 9001: 2015 and CE certification, ensuring every product meets or exceeds global quality benchmarks. Our product portfolio is designed to cater to diverse applications: Diamond saw blades for cutting granite, marble, concrete, and ceramic tiles (available in segmented, continuous rim, and turbo designs); Diamond grinding discs for smoothing, polishing, and shaping stone, metal, and concrete surfaces (including resin-bonded, vitrified, and metal-bonded options); And diamond core drills for drilling precise holes in concrete, brick, stone, and glass (with wet and dry drilling capabilities). Each product undergoes rigorous testing-from raw material inspection (using high-purity synthetic diamonds and premium steel substrates) to performance trials under extreme conditions-to guarantee longevity, cutting speed, and consistent results.
At Wangdu Wanhuida Machinery Co., Ltd., we believe that success is built on trust, quality, and partnership. For four decades, we have stayed true to our founding principles, and we look forward to continuing our journey with you-delivering excellence in every tool we manufacture, and supporting your success with our expertise and dedication. Whether you're a small business owner or a large multinational corporation, we are your trusted partner for all your diamond cutting and grinding needs. Contact us today to learn more about our products and services, and discover how we can help you achieve greater efficiency and profitability.
FAQ
- What is the expected service life of diamond core drills?
- It depends on the material being cut, with a comprehensive service life of 30-50 meters.
- Do you provide samples prior to bulk ordering?
- Yes, we will provide samples for your evaluation to determine whether to place a bulk order. Samples need to be purchased at full price initially, but please rest assured that when you place the bulk order subsequently, we will deduct the total cost of the samples from your bulk order amount. This way, you won't end up paying extra for the samples.
- What is the delivery lead time for a bulk order of 1,000 pieces?
- It is 7-10 working days for standard sizes; 15-20 working days for custom sizes.
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