all sizes IADC TCI or milling tooth tricone bit for water ...
all sizes IADC TCI or milling tooth tricone bit for water well drilling, oilfield, quarry and mining, US $ 1000 - 20000 / Piece, Fujian, China, BESTLINK, DRILL BIT, milling tooth bit, carbide insert bit.Source from Xiamen Bestlink Factory Co., Ltd. on Alibaba .