1.high temperature and wear resistance 2.IADC code suitable for different formation 3.best price 4.fast delivery TCI Tricone Bits 1-API or ISO 9001:2008 2-Delivery term: By sea3-MOQ: one piece4-IADC: following your requirement5-Packing: Wooden Case Model114,117,127,417,437,517,537,617,637 TypeTCI Tricone bits, Steel tooth bits, PDC bits Applicablewater well, oil field, construction, geothermal, ...