8-1/2" IADC 617 Tricone Roller Bit for Water Wells

17 1/2" IADC527 RC Tricone Bit (Reverse Cirulation with Center Opening)

3 7/8" IADC 117 Tricone Bits with Steel Milled Teeth

4 1/8" IADC 117 Tricone Bits with Steel Milled Teeth

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

5" IADC 537 Tricone Roller Bit for Water Wells

17 1/2" IADC 437 Tricone Roller Bit for Water Wells

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

12 1/4" IADC537 RC Tricone Bit (Reverse Cirulation with Center Opening)

12 1/4" IADC527 RC Tricone Bit (Reverse Cirulation with Center Opening)

5-1/2'' IADC537 Tricone Bit for mining

12-1/4'' IADC127 Tricone Bits with Steel Milled Teeth