1)certified by ISO9001&API
2) tungsten carbide insert
3)Durable bearing and cutting structure
Port: HongKong
Minimum Order Quantity: 2 Piece/Pieces
Supply Ability: 100 Piece/Pieces per Week
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: wooden box
Delivery Detail: within 10 days
1)certified by ISO9001&API
2)Fast drilling rate
3)Strong cutting structure durability
4)be used for water well, oil field, underground, construction, geothermal, directional boring
5)Be used to drill low compressive strength,soft formation
6)various of model and dimension
8)IADC:437,517,637,617
9)high quality and competitive price
10)including drill rods,drill collar,rerun steel tooth bits, ,used drill bits stock,used mud pumps,etc