PDA (Patterned Diamond Array) Segment Core Drill Bit for Reinforced Concrete
PDA (Patterned Diamond Array) Segment Core Drill Bit for Reinforced Concrete
Not all diamond segments cut the same. The PDA Segment Core Drill Bit is built with Patterned Diamond Array (PDA) technology, where diamond grits are distributed evenly throughout each segment to maximize cutting efficiency. Designed for professional wet drilling of hard reinforced concrete with heavy steel rebar, it delivers fast, smooth, and consistent coring performance for demanding construction applications.
- Diameter / Size: From 32mm up to 350mm
- Segment Type / Shape: PDA Segment
- Manufacturing Method: Laser Welded
- Valid Length: 450mm
- Machine Compatibility: Core Drilling Machine
- Connection: UNC 1-1/4, 1/2″BSP, M14, M16
Product Overview
Unlike conventional diamond segments where diamond distribution may vary, the PDA Segment Core Drill Bit utilizes Patterned Diamond Array technology to achieve a more uniform distribution of diamond grits throughout the segment. This engineered arrangement allows more diamonds to participate in the cutting process, helping maintain consistent drilling performance from the beginning of the hole to the end of the segment's service life. Manufactured using laser welded technology, this premium-grade wet core drill bit is developed for drilling hard reinforced concrete containing heavy steel reinforcement. It is well suited for infrastructure projects, commercial construction, bridge work, and other structural applications where high drilling efficiency, smooth operation, and extended tool life are essential.
Specification Data
| Diameter | Valid Length | Seg Size | Connection |
| 32mm | 450mm | 16mm*3.5mm*9mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 36mm | 450mm | 16mm*3.5mm*9mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 38mm | 450mm | 16mm*3.5mm*9mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 42mm | 450mm | 16mm*3.5mm*9mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 47mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 52mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 57mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 62mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 67mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 72mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 77mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 82mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 92mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 102mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 107mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 112mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 117mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 122mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 127mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 132mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 142mm | 450mm | 24mm*3.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 152mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 162mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 172mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 182mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 200mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 225mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 250mm | 450mm | 24mm*4.0mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 300mm | 450mm | 24mm*4.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
| 350mm | 450mm | 24mm*4.5mm*10mm | UNC 1-1/4, 1/2 BSP, M14, M16 |
Key Features
- Patterned Diamond Array (PDA) technology distributes diamond grits evenly throughout each segment, improving cutting efficiency.
- Uniform diamond exposure allows more diamond particles to participate in the drilling process for fast and consistent coring performance.
- Laser welded segment attachment provides secure segment retention for demanding reinforced concrete drilling applications.
- Premium segment design delivers smooth drilling performance through hard reinforced concrete with heavy steel rebar.
- Available in diameters from 32mm to 350mm, supporting a wide range of professional coring applications.
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