Core Drill Segments are used for replacing the finished segments in the core drill bit. Normally for stone core drill bit, it is high frequency welding, for concrete core drill bit, it is laser welding, because for drilling reinforce concrete, it is more difficult, if the temperature getting high, the high frequency welding segment is easy to fall off. Laser welding products cost much higher.Core bit segments are used for drilling concrete, reinforced concrete, asphalt, bricks and other construction materials.
For a drill core bit, diamond segments are just the "teeth" of the tool . The form of the segments is an important factor which influences the performance of the tool, for example, cutting efficiency and the ratio of the diamonds' non-normal failure.Common items of the segments are normal rectangle segments, roof segments, turbo segments, crown segments dimple segments and so on.The advantage of crown segments are quickly & smooth drilling and long life.
Core drill segments are available in different sizes, shapes, and configurations, each designed to meet specific drilling needs. They can be used for drilling in horizontal, vertical, or angled positions, making them versatile and flexible for various applications. With precise and clean cuts, core drill segments can create holes of different sizes, from small holes for electrical and plumbing installations to large holes for ventilation and cooling systems.
Core drill segments are essential tools in the construction industry, offering efficiency, durability, and precision in drilling concrete and other tough materials. They have revolutionized the way drilling is done, making it easier, faster, and more cost-effective. With the constant improvements and advancements in technology, core drill segments will continue to play an essential role in the future of construction.
1. Crown Segment
|
Diameter (mm) |
L*T*H (mm) |
|
D14 |
3.0*10 |
|
D16 |
3.0*10 |
|
D18 |
3.0*10 |
|
D20 |
3.0*10 |
|
D22 |
3.0*10 |
|
D25 |
3.0*10 |
|
D26 |
3.0*10 |
|
D28 |
3.0*10 |
|
D30 |
3.0*10 |
|
D32 |
3.0*10 |
|
D36 |
3.0*10 |
|
D38 |
3.0*10 |
|
D42 |
3.0*10 |
|
D47 |
3.0*10 |
2. Flat Segment
|
D35(D32-36) |
15*3*10 |
|
D44(D38-48) |
16*3*10 |
|
D60(D52-66) |
24*3.5*10 |
|
D76(D68-82) |
24*3.5*10 |
|
D94(D89-108) |
24*3.5*10 |
|
D140(D110-150) |
24*4*10 |
|
D180(D160-200) |
24*4.5*10 |
|
D220(D203-254) |
24*4.5*10 |
|
D300(D280-305) |
24*5*10 |
|
D350(D330-40) |
24*5.5*10 |
3. Groove Turbo Segment
|
D35(D32-36) |
16*3*10 |
|
D44(D38-48) |
16*3*10 |
|
D60(D52-66) |
24*3.5*11 |
|
D76(D68-82) |
24*3.5*11 |
|
D94(D89-108) |
24*3.5*11 |
|
D140(D110-150) |
24*4*11 |
|
D180(D160-200) |
24*4.5*11 |
|
D220(D203-254) |
24*4.5*11 |
|
D300(D280-305) |
24*5*11 |
|
D350(D330-40) |
24*5.5*11 |
4. Sharp Corner Segment
|
D35(D32-35) |
15*3*11 |
|
D37(D36-40) |
15*3*11 |
|
D43(D40-44) |
24*3.5*11 |
|
D60(D52-66) |
24*3.5*11 |
|
D76(D68-82) |
24*3.5*11 |
|
D94(D89-108) |
24*3.5*11 |
|
D140(D110-150) |
24*4*11 |
|
D180(D160-200) |
24*4.5*11 |
|
D220(D203-254) |
24*4.5*11 |
|
D300(D280-305) |
24*5*11 |
|
D350(D330-400) |
24*5.5*11 |
5. Sharp Corner Groove Segment
|
D35(D32-35) |
15*3*11 |
|
D37(D36-40) |
15*3*11 |
|
D43(D40-44) |
24*3.5*11 |
|
D60(D52-66) |
24*3.5*11 |
|
D76(D68-82) |
24*3.5*11 |
|
D94(D89-108) |
24*3.5*11 |
|
D140(D110-150) |
24*4*11 |
|
D180(D160-200) |
24*4.5*11 |
|
D220(D203-254) |
24*4.5*11 |
|
D300(D280-305) |
24*5*11 |
|
D350(D330-400) |
24*5.5*11 |
Note
The above specification is only for Reference, other or special specification can be ordered by customer.
Core Drill Segments – High‑Performance Diamond Components for Core Drilling
Core drill segments are the cutting elements of diamond core drill bits that grind through hard materials during drilling. Made with industrial-grade diamonds embedded in a metal bond, these segments are essential for efficient, precise, and long-lasting drilling in concrete, reinforced concrete, stone, masonry, and asphalt.
The quality, design, and bond type of core drill segments directly affect cutting speed, hole quality, segment lifespan, and overall drilling performance.
What Are Core Drill Segments?
Core drill segments are mounted on the cutting edge of diamond core bits. They remove material as the bit rotates, forming a clean, circular hole. The diamond grit embedded in the metal bond provides abrasive cutting action, while the spacing and shape of segments allow for debris removal, heat dissipation, and smooth drilling.
Segments are available in various shapes, sizes, and bonds to match specific drilling conditions and materials.
Types of Core Drill Segments
1. Turbo Segments
Pointed or peak-like shape for aggressive cutting
Ideal for hard materials like reinforced concrete and granite
Offers fast penetration and high cutting efficiency
2. Shark Tooth Segments
Serrated edges improve cutting speed and reduce friction
Excellent for dense stone and reinforced concrete
Extends segment life by minimizing wear
3. Crown Segments
Continuous ring around the bit edge for smooth, steady drilling
Best for small-to-medium diameter bits and precise finishing
4. Dimple & Specialty Segments
Dimple patterns enhance water flow, cooling, and debris removal
Reduces heat buildup, extending tool life
Suitable for applications requiring cleaner holes
5. Flat & Standard Segments
Traditional rectangular shape for general-purpose drilling
Balances drilling speed, precision, and durability
Applications of Core Drill Segments
Core drill segments are widely used in:
Reinforced concrete drilling for construction and demolition
Concrete, masonry, and asphalt drilling for utility installation
Stone and quarry drilling (granite, marble, limestone, sandstone)
Architectural and structural projects requiring clean, accurate holes
Large-scale industrial and quarry operations
They are compatible with handheld drills, rig-mounted core drilling machines, and industrial drilling rigs.
Material & Construction
Industrial Diamonds: Provide high hardness and abrasion resistance
Metal Bond Matrix: Holds diamonds in place, ensuring controlled wear
Laser Welding or Brazing: Ensures secure attachment of segments to the bit
Custom segment formulas can optimize cutting speed, durability, or material-specific performance.
Benefits of Using Quality Core Drill Segments
✔ Faster drilling speed and higher productivity
✔ Longer service life and fewer replacements
✔ Better heat management and debris removal
✔ Cleaner, more accurate holes with minimal chipping
✔ Adaptable for wet or dry drilling
Premium segments improve efficiency and reduce project time and costs, especially in hard or abrasive materials.
Factors to Consider When Choosing Core Drill Segments
Material Hardness: Hard granite or reinforced concrete requires aggressive, high-quality segments.
Segment Shape: Turbo or shark tooth for speed; crown or flat for smooth finishing.
Drilling Environment: Wet vs. dry drilling affects cooling and wear.
Bit Size & Depth: Large diameter or deep holes may require specialized segment configuration.
Machine Compatibility: Ensure segments match the core bit type and drilling rig capacity.
Core Drill Segments Welding
Packing, Storage, Handling and Transportation
Core Drill Segments if small quantity pack in paper box, if large quantity, they are packed in polywood case before delivery.
After sales service team
Technical Team
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