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TCI Roller Bit 6” HJ637G
TCI Tricone Drill Bit, 7 1/2 Inches, LA537CK
TCI roller cone drill bit, 8 1/2 inches, HJ6376
TCI Roller Cone Drill Bit, 8.5 Inches, HA517G
TCI Tricone Drill Bit, 9 1/2 Inches, Model HJ617G
TCI roller cone drill bit, 12 1/4 inches, LJ537GK
TCI Roller Bit, 12 1/4 Inches, HA537G
TCI roller cone drill bit, 12 1/4 inches, LA637G
TCI Tricone Drill Bit, 17.5 Inches, ST537GK
Steel-body PDC drill bit
Steel-body PDC drill bit, 9 7/8” LS855GX
Steel-body PDC drill bit, 12 1/4", LS755GL
Steel-body PDC drill bit, 9 7/8'', LS855GX
Steel-body PDC drill bit, 14 3/4", LS766GX