9 7/8 inch tricone bits single cutters iadc code 637 for HDD reamer bits
USD $200 - $500 /Piece
Min.Order:1 Piece
Hejian Hengji Bit Manufacture Co., Ltd.
9 7/8 inch tricone bits single cutters iadc code 637
3.Open or Sealed Journal Roller Bearing
4.Carbide Insert Gauge Protection with Hard Facing
5.Soft, Medium, and Hard Formation Available
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