Standards:API Spec 7 and ralted standard formulated by IADC
Port: Qingdao,China
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 1500 Piece/Pieces per Month
Payment Terms: L/C,T/T
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Genral Instruction:
1) drilling bit type:
classify according to structure and working principle: drag bit,cone bit,diamond bit (including PDC bit).
classify according to functions:full hole bit,coring bit,enlarging bit
2) drilling bit size series:3-3/4"--36"
common size:26",17-1/2",12-1/4",8-1/2",6-1/8" etc.