12-1/4'' HJT535 KINGDREAM Tricone Roller Bit

5 1/2'' IADC537 Tricone Bit for Water Wells

9 7/8'' IADC647 Tricone Bit for Water Wells

5-7/8'' IADC517 Tricone Bit for mining

9'' IADC537 Tricone Bit for Water Wells

9-7/8'' IADC635 Tricone Bit for mining

10 5/8'' IADC547 Tricone Bit for Water Wells

5 17 1/2" IADC 537 TCI Tricone Bit for Water Wells

5" IADC 637 TCI Tricone Bit for Water Wells

8-1/2 4-1/2" IADC 637 Tricone Roller Bit for Water Wells

8-1/2" IADC 617 TCI Tricone Bit For Water Wells

8-1/2'' IADC617 Tricone Bit with Tungsten Carbide Insert