Tricone Bit, Steel Tooth Bit, TCI tricone Bit, Single Cone Bit, Rock drill Bits,Rotary Bits. Application Petroleum & Gas ,Water well ,Mining and Tectonic Industries ,Oil field, Construction, Geothermal, Directional Boring, and Underground Foundation work. 1) Condition: 100% new 2) Manufacturer brand name: GREAT 3) The bit size: 2 7/8" - 36" 4) IADC code: 111,115,117,127,137,217,417,517,537,617,637 etc. 5) Seal type: Rubber Sealed Bearing ,Metal Sealed Bearing. 6) Bearing type: Sealed Journal bearing ,Roller Bearing ,Air Bearing. 7) Nozzle quantity and nozzle size: 3 nozzles. 8) Connection joint Pin size: API 2-3/8"-7 5/8" Reg.