Product details
HEBEI CROSSING DRILL BIT MANUFACTURE
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Product description
Bearing Type:Rubber Sealed Bearing & Metal Sealed Bearing
Tooth type: Conical Button tooth ,Chisel Insert tooth
IADC code:417,437,517,537,617,637,737,837
Application:HDD rock reamer,hole opener ,core barrel with roller cone
Drilling Formation:Meidum hard ,hard rock,very hard rock
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HEBEI CROSSING DRILL BIT MANUFACTURE