-
Roller cone drill biit IADC637 4 5/8″ (118mm)
-
Tricone roller bit IADC637 4 3/4″ (120mm) alang sa hard rock drilling
-
Ball tooth tricone biit IADC637 5.5″ (140mm)
-
Ang pabrika sa API sa TCI tricone biit IADC637 6 "(152.4mm) sa stock
-
API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)
-
API Tricone bit nga presyo IADC637 8 1/2 ”(215.9mm)
-
Rotary button drill bit IADC617 12 1/4 pulgada (311mm)
-
API tricone drill bits manufacturer IADC637 12 1/4” (311.1mm)
-
Metal sealed drill bit IADC637 14 3/4” (374.6mm) para sa lawom nga atabay
-
Tulo ka cone bit IADC637 17 1/2 ”(444.5mm)
-
Tricone bits supplier IADC637 6.5 ka pulgada (165mm) alang sa gahi nga bato
-
Rotary roller bits IADC637 9 7/8” (250.8mm)