01
MD1304-12
Benefits
- High drilling efficiency
- Long drilling life
Application fields
- High quality anchor rod drill bits, core drill bits, non-core drill bits, etc.
- Diameter (mm)
- 13.44
- Thickness (mm)
- 4.5
- Diamond layer (mm)
- 1.2
- Surface shape
- Flat
PDC for Geological Drilling
MD Series PDC for Geological Drilling
13.44 mm polycrystalline diamond compacts in flat, trapezoidal and cambered shapes for core, non-core and reaming drill bits.
Grade
MD
Family
PDC & PCD
Overview
PDC products are super-hard compound materials consisting of high quality diamond micron powder bonded together by unique cubic press sintering at high temperature and high pressure. They feature D-D covalent bonding between diamond particles and a firm combination of the micron powder layer with the cemented carbide. Accordingly, there are two main applications: PDC for geological drilling and PDC for oil and gas drilling.
PDC products are used for making drill bits such as core drill bits, non-core drill bits and reaming drill bits in well drilling, oil and gas drilling, hydro-geological drilling, engineering geological drilling and more.
MD grades
5 variants
02
MD1305-12T
Characteristics
- Trapezoidal surface shape gives a higher drilling rate thanks to a smaller negative rake angle than cambered PDC
- Stress-free design
- Higher compressive strength than flat PDC
Benefits
- High drilling efficiency in harder and complicated formation drilling
- Long drilling life
Application fields
- Side teeth of high quality non-core drill bits, main teeth of multi-wing scraper drill bits, etc.
- Diameter (mm)
- 13.44
- Thickness (mm)
- 5.5
- Diamond layer (mm)
- 1.2
- Surface shape
- Trapezoidal
03
MD1306-16
Characteristics
- Highest diamond layer toughness and bond strength between diamond layer and carbide
- Highly cost-effective
Benefits
- High drilling efficiency
- Long drilling life
Application fields
- High quality core drill bits, non-core drill bits, multi-wing scraper drill bits, etc.
- Diameter (mm)
- 13.44
- Thickness (mm)
- 6.0
- Diamond layer (mm)
- 1.6
- Surface shape
- Flat
04
MD1308-15
Characteristics
- Good cutting edge surface, large shearing force and high rock-breaking rate
- Protects against breakage of central teeth, breaking off of central columns and extra abrasion of gauge teeth
Benefits
- High drilling efficiency
- Long drilling life
- Excellent impact toughness
Application fields
- Main teeth of high quality core drill bits, non-core drill bits, multi-wing scraper drill bits, etc.
- Diameter (mm)
- 13.44
- Thickness (mm)
- 8.0
- Diamond layer (mm)
- 1.5
- Surface shape
- Flat
05
MD1308-15M
Characteristics
- Smaller cutting force and lower drilling rate, as it works by pressing and scraping rather than cutting
- Higher impact toughness of the diamond layer
Benefits
- High efficiency in harder and complicated formation drilling
- Long drilling life
Application fields
- Core drill bits, non-core drill bits, or side teeth of large diameter drill bits, etc.
- Diameter (mm)
- 13.44
- Thickness (mm)
- 8.5
- Diamond layer (mm)
- 1.5
- Surface shape
- Cambered
MD series specifications
| Specification | Diameter (mm) | Thickness (mm) | Diamond layer (mm) | Surface shape |
|---|---|---|---|---|
| MD1304-12 | 13.44 | 4.5 | 1.2 | Flat |
| MD1305-12T | 13.44 | 5.5 | 1.2 | Trapezoidal |
| MD1306-16 | 13.44 | 6.0 | 1.6 | Flat |
| MD1308-15 | 13.44 | 8.0 | 1.5 | Flat |
| MD1308-15M | 13.44 | 8.5 | 1.5 | Cambered |
More in PDC & PCD
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