If you're planning on cutting through stone, then a 3 inch core drill bit is a tool you'll definitely want to have in your arsenal. With its ability to cut through the toughest of materials, this tool can help you create clean and precise holes in a range of stone types, from granite to marble.
One of the great benefits of using a 3 inch core drill bit is that it provides excellent efficiency and speed. This allows you to get your work done quickly and with less hassle, helping you to save both time and energy. With its ability to drill through stone like a hot knife through butter, this tool is a great investment for anyone who regularly works with stone.
Additionally, another great advantage of using a 3 inch core drill bit is that it provides excellent results. With its precision and accuracy, you can ensure that your cuts are clean and that the finished product looks exactly as you envisioned. As a result, you can create beautiful stone structures and designs that will last for years to come.
Overall, a 3 inch core drill bit for stone is a fantastic tool to have on hand if you're looking to cut through stone with ease. By investing in this tool, you can achieve excellent results, save time and energy, and create beautiful stone structures that will stand the test of time. So, why wait? Get your hands on a 3 inch core drill bit today and start exploring the many benefits that it offers!
|
Diameter (mm) |
L*T*H (mm) |
Segment No. |
working length |
thread |
|
|
Ф14 |
3.0*10(crown segment) |
1 |
450mm |
1-1/4UNC |
|
|
Ф16 |
3.0*10(crown segment) |
1 |
|||
|
Ф18 |
3.0*10(crown segment) |
1 |
|||
|
Ф20 |
3.0*10(crown segment) |
1 |
|||
|
Ф22 |
3.0*10(crown segment) |
1 |
|||
|
Ф24 |
3.0*10(crown segment) |
1 |
|||
| Ф25 | 15*3.0*10 | 3 | |||
| Ф28 | 15*3*10 | 3 | |||
|
Ф30 |
15*3*10 |
3 |
|||
| Ф32 |
15*3.2*10 |
4 |
|||
|
Ф36 |
15*3.2*10 |
4 |
|||
|
Ф38 |
15*3.2*10 |
5 |
|||
|
Ф40 |
15*3.2*10 |
5 |
|||
|
Ф42 |
15*3.2*10 |
5 |
|||
|
Ф47 |
24*3.5*10 |
4 |
|||
|
Ф51 |
24*3.5*10 |
5 |
|||
|
Ф63 |
24*3.5*10 |
6 |
|||
|
Ф68 |
24*3.5*10 |
6 |
|||
|
Ф78 |
24*3.5*10 |
7 |
|||
|
Ф82 |
24*3.5*10 |
7 |
|||
|
Ф92 |
24*3.5*10 |
8 |
|||
|
Ф102 |
24*3.5*10 |
9 |
|||
|
Ф108 |
24*3.5*10 |
9 |
|||
|
Ф112 |
24*3.5*10 |
9 |
|||
| Ф122 | 24*4*10 | 10 | |||
| Ф127 | 24*4*10 | 11 | |||
| Ф132 | 24*4*10 | 11 | |||
| Ф152 |
24*4.5*10 |
12 |
|||
|
Ф162 |
24*4.5*10 |
12 |
|||
|
Ф172 |
24*4.5*10 |
12 |
|||
|
Ф182 |
24*4.5*10 |
13 |
|||
|
Ф202 |
24*4.5*10 |
15 |
|||
|
Ф212 |
24*4.5*10 |
16 |
|||
|
Ф225 |
24*4.5*10 |
16 |
|||
|
Ф250 |
24*4.5*10 |
16 |
|||
| Ф300 | 24*5*10 | 17 | |||
| Ф350 | 24*5*10 | 20 | |||
Note
The above specification is only for Reference, other or special specifications can be ordered by the customer.
3-Inch Diamond Core Drill Bit – Precision Drilling for Concrete, Stone, and Masonry
The 3-inch diamond core drill bit is a high-performance coring tool designed for clean, efficient, and precise drilling in a wide range of materials, including concrete, reinforced concrete, brick, masonry, natural stone, and asphalt. Its hollow core design allows the bit to remove material only from the drilled circumference, creating accurate holes with minimal effort, reduced dust, and lower vibration.
This bit is perfect for contractors, electricians, plumbers, HVAC installers, and construction professionals who need reliable, long-lasting performance for wet or dry drilling applications.
What Makes the 3-Inch Core Drill Bit Special?
Unlike standard drill bits, the diamond core bit removes a cylindrical core instead of pulverizing the material. The cutting edge is embedded with industrial-grade diamond crystals, which grind through hard surfaces while the metal bond matrix ensures the diamonds remain effective throughout the life of the bit.
Benefits of this design include:
Clean, smooth holes with minimal chipping
Faster drilling with less operator effort
Long-lasting cutting efficiency
Reduced heat and vibration
Because of its 3-inch diameter, this core bit is highly versatile, providing an ideal balance between hole size, depth capacity, and machine compatibility for most construction and renovation projects.
Key Features & Advantages
1. Industrial-Grade Diamond Segments
High-quality diamond crystals provide superior cutting power in dense and abrasive materials, ensuring rapid drilling and precise results.
2. Optimized Metal Bond
The metal bond holding the diamonds is formulated for consistent wear, allowing continuous exposure of sharp diamonds while resisting heat and abrasion.
3. Hollow Core Design
The hollow tube structure reduces friction and makes drilling more efficient, minimizing operator fatigue and preventing overloading of the drill motor.
4. Wet & Dry Drilling Compatibility
Wet Drilling: Recommended for concrete, reinforced concrete, and stone. Water reduces heat, flushes debris, and prolongs bit life.
Dry Drilling: Ideal for quick tasks on softer materials or when water is unavailable. Requires careful monitoring of heat buildup.
5. Versatile Material Use
Suitable for a wide range of materials, including:
Reinforced and plain concrete
Masonry, bricks, and blocks
Natural stone, granite, and marble
Asphalt and paved surfaces
6. Durable and Long-Lasting
Engineered for high-performance drilling, this bit maintains cutting efficiency for extended periods, reducing downtime and tool replacement costs.
Typical Applications
The 3-inch diamond core drill bit is widely used in professional construction and industrial projects:
Concrete & Reinforced Concrete: Holes for pipes, conduits, anchors, and electrical installations.
Masonry Work: Drilling through bricks, blocks, and tiles for structural or utility purposes.
Stone & Granite Projects: Precision coring for countertops, stone facades, or decorative stone installations.
HVAC and Plumbing Installations: Fast, clean holes for pipes and ductwork.
Road and Pavement Work: Accurate coring in asphalt and concrete for infrastructure projects.
How the Diamond Core Drill Bit Works
The diamond segments on the cutting edge grind material away as the bit rotates, while the hollow design allows the core to remain intact. As the metal bond slowly wears, fresh diamond particles are exposed, maintaining optimal cutting performance. This results in faster drilling, smoother edges, and reduced heat build-up compared with conventional bits.
Choosing the Right 3-Inch Core Drill Bit
To get the best results, consider:
Material Hardness: Harder concrete or granite requires a bit with a softer bond and higher diamond concentration.
Drilling Method: Use wet bits for dense or reinforced materials, dry bits for soft or shallow drilling.
Machine Compatibility: Ensure the thread and arbor size match your core drilling machine.
Segment Design & Height: Larger or taller segments provide longer life and faster cutting, while lower segments may reduce vibration.
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