Product Details
TCI tricone bit 12 1/4'' IADC 735 rock drill bit
TCI rock roller bits for hard & abrasive formation
- IADC code: 735
- Bearing type: Roller-ball-roller-thrust button/sealed bearing
- Circulation type: Jet air
- Cutting structure: Tungsten carbide inserts
- Pin connection: 6-5/8'' API REG
- Metric bit diameter: 311mm
- Product weight: 98kg
- Weight on bits: 5,880-11,770 N/cm
- Rotary speed range: 50-80 RPM
Company Profile
Professional. Duarable, Efficient, TIANYING TCI Tricone Bit!
Hunan Tianying Drilling Machine Manufacturing Co., Ltd.is one
state-appointed factory of mining tools especially for tricone bit.
we are established in 1958 and located at Zhuzhou city of Hunan
provice. one famous heavy industrial base of China. covering the
land area of more than 800 acres with total asset of RMB130 Million
and over 100 staffs.


we have advanced full-equipped tricone bits and rockdrilling
tillsmanufacturing workshops, high frequency welding workshop.heat
treatment workship. mould equipment making workshop and the various
departments of measurement. quality control. technology R&D
center. the tatal main equipments amount to over 300 sets andthe
annual production volume for tricone bits is 5000pcs for other rock
drilling tools is over 1400000 pieces.


we have partners all over the world like America.
Europe.Australia.South Africa. UAE. Brazil and so on.
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