... opener/ Bit cones/ Assembly Drill Bit/ TCI tricone bit/ Milled tooth bit for drilling hole 1. Bit cones (segment) are spited ... , 117, 127, 437, 517, 617, 637 TypeTri-cone bits, Steel tooth bits, PDC bits Applicablewater well, oil field, construction, geothermal, directional ... opener/ Bit cones/ Assembly Drill Bit/ TCI tricone bit/ Milled tooth bit for drilling hole