-
8.5 inches single cone roller bits IADC537G for HDD rock drilling
-
API 8.5 inches tricone thirds roller cone bit for rotary drilling rig
-
China factory 4 3/4″ API roller bit palm for core barrel in stock
-
14 3/4 inches tricone bit segments cone bits for piling foundation
-
API 12 1/4 inches tricone bit cutter for core barrel in stock
-
Foundation Replaceable Type Single Cone Bit for Rotary Drilling Rig Drilling Bucket
-
API factory of 185mm TCI tricone cutter for hard rock coring
-
API factory of TCI roller cutter for rotary piling drilling rig
-
Metal-face sealed bearing roller cone bit for hard foundation
-
Single rotary milled tooth roller cone bit for engineering drilling
-
API random teeth roller cone bits for foundation bore pile machine
-
API factory of replaceable Roller Cone Bit with Flange for HDD drilling