roller bearing tricone drill bits (196) Sport online manufacturer
Size: 4 3/4 Inch
IADC: 117/127/217.etc
Bearing: Rubber Sealed Braring
Applicable Industries: Construction Works , Energy & Mining
Use: Well Drilling,water Well ,oil Well Mining
Bit Type: Milled Tooth
Name: Steel Teeth Sealed Journal Bearing Bits
Size: 6 3/4 Inch
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