PDC core bitsPDC (Polycrystalline Diamond Compact) wireline core drill bits are engineered to deliver unmatched performance in gold mining operations. Featuring ultra-wear-resistant diamond cutters and optimized hydraulic design, these bits ensure exceptional penetration rates in hard, abrasive formations while maintaining core integrity. The wireline retrieval system minimizes tripping time, boosting productivity by up to 40% compared to conventional methods. Advanced matrix body construction enhances durability, reducing downtime and tool replacement costs. Ideal for deep exploration, our bits offer superior sample recovery rates (98%+), critical for accurate gold grade analysis. With low vibration and heat generation, they extend borehole life and lower operational risks. Trusted by global miners, our PDC bits maximize ROI through faster drilling cycles and reduced total cost per meter.
HQ PDC Core Bit W Matrix
Size |
HQ |
Design |
DCDMA |
Outer Diameter MAX(mm) |
95.76 |
Outer Diameter MAX(in) |
3.770 |
Outer Diameter MIN(mm) |
95.38 |
Outer Diameter MIN(in) |
3.775 |
Inner Diameter MAX(mm) |
63.63 |
Inner Diameter MAX(in) |
2.505 |
Inner Diameter MIN(mm) |
63.38 |
Inner Diameter MIN(in) |
2.495 |
Hole Diameter(mm) |
96.1 |
Hole Diameter(in) |
3.78 |
Core Diameter(mm) |
63.5 |
Core Diameter(in) |
2.5 |
Hole Area(cm2) |
72.8 |
Hole Area(in2) |
11.29 |
Core Area(cm2) |
31.7 |
Core Area(in2) |
4.91 |
Matrix Height :6mm,8mm,9mm,10mm,12mm,14mm,16mm are available.6mm-8mm (most cost-effective), 8mm-10mm (long service life), 12mm-16mm (super service life)
Bit Crown Profiles: "W" profile, "Flat" profile, "Semi-round" profile, "Cross" profile, "Gear profile"
Waterways: Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.
Threads: standard Q threads as well as thread types required by clients are available
Maxtrix Selection Guide For Impregnated Core Bits
Matrix Hardness |
Rock Hardness |
Abrasiveness |
Rock Type |
HRC50 |
Soft |
Medium |
Clay, shale, siltstone, cypsum |
HRC48~50 |
Soft |
Very high |
Ash stone, coal, argillite, volcanics, sandy pebble |
HRC45~48 |
Medium soft |
Very high |
Sandstone,sandy shale, lithoid limestone, limonite sandstone |
HRC40~45 |
Medium |
High |
Medium-hard limestone,medium-hard shale, ash stone |
HRC38~42 |
Medium |
Medium |
Marble, hard schist, hard streak stone |
HRC38 |
Medium hard |
Medium |
Diabase, andesite, gneiss |
HRC35~38 |
Medium hard |
Medium |
Grandiorite, Limonite |
HRC32~35 |
Hard |
Medium to low |
Granite, basalt, hard streak stone |
HRC25~30 |
Hard |
Medium to low |
Rhyolite, crystauize, guneiss, quartz porphyry |
HRC20~25 |
Extreme hard |
Medium to low |
Silicious stone, hard sandstone |
HRC10~20 |
Ultra hard |
Low |
Rhyolite, dense quartzite, iron stone |
Q Series
AQ, BQ, NQ, HQ, PQ/AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT
T2 Series
T2 46, T2 56, T2 66, T2 76, T2 86, T2 101
T6 Series
T6 76, T6 86, T6 101, T6 116, T6 131, T6 146, T6S 101, T6S 116
T Series
T36, T46, T56, T66, T76, T86
Z Series
Z46, Z56, Z66, Z76, Z86, Z101, Z116, Z131, Z146
B Series
B36, B46, B56, B66, B76, B86, B101, B116, B131, B146
WF Series
HWF, PWF, SWF, UWF, ZWF
WT Series
RWT, ETW, AWT, BWT, NWT, HWT (Single/Double Tube)
WG Series
EWG, AWG, BWG, NWG, HWG (Single/Double Tube)
WM Series
EWM, AWM, BWM, NWM
Others
NMLC, HMLC, LTK48, LTK60, BGM, NGM, ADBG, TBW, TNW, ATW, BTW, NTW, NXD3, AX, NX,
NXC, AXT, T6H, 4 9/16, NWD4, 412F, SK6L146, TT46, TB56, TS116, CHD101.