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Product Details:
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2011 hot selling new designed three-wings drill bits
Products Features:
1.We bought our own land and built our own factory.
2.Advanced geometric design for faster penetration.
3.PDC is made of diamond micro-powder and hard alloy substrate under high temperature and high pressure.
It possess of high wear resistance like diamond, at the same time the impact resistance like hard alloy and that’s made it the best material as a drill bit cutter. Reinforced PDC has higher dense diamond powder, claw hard alloy substrate made the two layers solid as whole one. So, the reinforced PDC of supper wear resistance, longer service life and high efficiency.
Detailed Parameter
Φ28 | Φ30 | Φ32 | Φ48 | Φ56 | Φ75 | Φ94 | Φ110 | Φ152 | Φ190 | Φ230 | Φ270 | |
WOB(Kg) | 300-700 | 300-700 | 300-700 | 300-700 | 320-800 | 48-1200 | 640-1600 | 880-2200 | 1500-3000 | 1800-4000 | 2200-4500 | 2400-5000 |
Speed(rpm) | 300-350 | 300-350 | 300-350 | 300-350 | 250-350 | 200-300 | 150-250 | 120-200 | 100-200 | 100-200 | 100-200 | 100-200 |
WOB(1/min) | 150-200 | 150-200 | 150-200 | 120-160 | 130-180 | 150-200 | 200-250 | 200-300 | 500-850 | 600-1200 | 750-1400 | 1000-1500 |
Best fit rock
Type | Fit rock |
General PDC drill bits | F‹10Soft or middle hard rock |
Strengthen the PDC bit | F=10-12 middle hard rock |
PDC bit Big strength | F‹18 hard rock |
