PDC
Core Bits(DPDC Series) |
| PDC(Polycrystalline
Diamond Compact) is a blank which consists of polycrystalline diamond layer
and tungsten carbide substrate. It combines the highest hardness and abrasion
resistance. PDC bits are made by special welding technology. They are suitable
for drilling soft-medium hard rock formations with high drilling rate and
long service life |
|
| Type |
single
barrel bits |
| double
barrel bits |
| thin-wall
core bits |
| D1(mm) |
26 |
36 |
47 |
60 |
75 |
91 |
110 |
130 |
150 |
170 |
200 |
| wall
thickness (mm) |
2~12 |
| waterway |
general
type |
| side
spray |
| bottom
spray |
| gauge
materials |
PCD, |
| carbide |
| cutter
exposure(mm) |
0.5 |
1 |
1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
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