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9 7/8′′iadc845 Roller Bearing Tricone Hard Rock Drilling Bit
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.Note: The upper limits of WOB and RPM in above table should not be used simultaneously.Company InformationHejianHengjiBitManufactureCo.,LTDis specialized in manufacturing high quality rock bit,especially for trico
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TCI Tricone Bit 7 7/8" 200mm IADC422 for Mining
Basic Info. Model NO. YHA 7 7/8-422G
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Tricone Bit Rock Roller Bit 12 1/4" IADC537
Basic Info. Model NO. YHA 12 1/4-537G
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Tungsten Carbide Inserts Tricone Bit 7 7/8" IADC537 TCI Rock Bit /TCI Drilling Bit
Basic Info. Model NO. YHA 7 7/8-537G
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Tri-Cone Bit 5 1/2" IADC537 Rock Drill Bit for Soft Formation
Basic Info. Model NO. YHA 5 1/2-537G
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22′′558.8mm IADC 217 Rolling Cone Steel Tooth Tricone Rock Bit
HENGJIBIT SPECIFICATIONBit Size22''(508mm)IADC Code217SeriesHRTooth typeMill toothConnection7 5/8API REGPINBearingrubber sealed bearingRotary Speed(rpm)100~60Weight on Bit(KN/MM)0.4~1.0Applicationwater well,oil well,HDD,exploration,etcFormationMediumformaitons with high compressive strength,such as
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Aip 7 1/2 Inch IADC517/537 Tricone Bit/Well Drilling Rock Bit
Basic Info. Model NO. YHA 7 1/2-517/537G
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17 1/2′′ 444.5mm TCI Tungsten Carbide Insert Drill Bit Rolling Cone Bit
HENGJIBIT SPECIFICATIONBit Size171 /2''(444.5mm)IADC Code637SeriesHRTooth typeTCI/tungsten carbide insertConnection75/8API REGPINBearingrubber sealed bearingNozzlethree jet nozzlesRotary Speed(rpm)120~50Weight on Bit(KN/MM)0.45~1.0Applicationwater well,oil well,HDD,exploration,etcFormationSoft to me
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13 3/8 Inch IADC637 TCI Tricone Drill Bit Roller Cone Bit
Basic Info. Model NO. YHA 13 3/8-637G
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API 7 1/2" IADC537 Tricone Drill Bit for Water/Oil/Gas Well Drilling
Basic Info. Model NO. YHA 7 1/2-537G