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PDC Flat-bottom Drill Bits

The right-angled blade structure has a stronger side cutting capability and is suitable for multi-branch hole drilling. It is commonly used for the directional drilling construction of gas extraction hole, water-prospecting and drainage hole and grouting reinforcement hole etc.

Product Parameters
Common Drill Bits Specifications (mm)Φ96/Φ98Φ120φ133Φ153
Drill Bits ParametersNumber of blades3(4)4(5)4(5)5(6)
Main cutter size (mm)13.4413.44/15.8813.44/15.8815.88
Number of main cutters8~1010~1514~1817~20
Gauge cutterhard alloy or composite sheethard alloy or composite sheethard alloy or composite sheethard alloy or composite sheet
Number of water holes3(4)4(5)4(5)5(6)
Drilling Regime ParametersRecommended drill pressure (KN)20-4030-6040-7050-80
Recommended speed (RPM)150~300120~260120~260100~200
Recommended displacement (L/min)150~300200~360200~360250~480
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