TCI rotary tricone rock bit.mining rock drill bit

7-7/8’’

200mm

Conical on gage, ogive on inner rows.

Designed for medium-hard and abrasive formations with high compressive strength such as limestone, sandstone, dolomite and chert.

Application: 29000-38000 Psi.

Hardmetal on lug, wear resistant carbide on shirttail lip and lug.

4-1/2’’ API

N.W.: 38kg.

WOB: 23630-47250 ibs

RPM: 100-60p/m

    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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