6 1/4" IADC322 Milled Teeth Trione Bit

6-1/4'' IADC622 TCI Trione Drill Bits

12-1/4" IADC 637 TCI Tricone Bit for Water Wells

8-1/4" IADC 637 TCI Tricone Bit For Water Wells

12-1/4'' IADC 547 Tricone Roller Bit with Tungsten Carbide Inserts

6'' IADC537 Tricone Bit with Tungsten Carbide Insert

12-1/4'' IADC117 Tricone Bits with Steel Milled Teeth

12-1/4 IADC 437 Tricone drill bit For Water well

TCI Tricone bits 6

14-3/4'' IADC517 TCI-Tricone Bit with Tungsten Carbide Inserts

6-3/4” Tricone Roller Bit with Tungsten Carbide Inserts

17 1/2" Tricone Roller Bit with Tungsten Carbide Insert