China tri-cone roller bits manufacturer & supplier

steel tooth tricone bit iadc 216

417

1.conical teeth and hard-facing
2.Reliable bearing system
3.Fast drilling rate
4.Strong cutting structure

2014-07-05

6 1/2'' tci tricone roller rock bits

437

1.conical teeth and hard-facing
2.Reliable bearing system
3.Fast drilling rate
4.Strong cutting structure

2014-07-05

TCI rock tricone bit

517

1.conical teeth and hard-facing
2.Reliable bearing system
3.Fast drilling rate
4.Strong cutting structure

2014-07-05

iadc 517 tricone - rock - bits

517

7 5/8" api pin 17 1/2'' tricone-rock-bits
1.seal journal bearing
2.Sizes rang from 3 7/8'' -26''
3.Cover all iadc code

2014-06-18

17 1/2'' iadc 617 tricone bit

carbide tooth three roller bit
1.seal journal bearing
2.Sizes rang from 3 7/8'' -26''
3.Cover all all IADC code

2014-06-18

carbide tooth three roller bit

537

carbide tooth three roller bit
1.seal journal bearing
2.Sizes rang from 3 7/8'' -26''
3.Cover all all IADC code

2014-06-18