Roller Bearing Blast Hole Drill Bits Ensure The Highest Possible Rate Of Penetration

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Our Company

Hunan Tianying Drilling Machine Manufacturing Co., Ltd is a professional Rock Drilling Bits manufacture, we supplies series of TCI Tricone bits for drilling in soft formation to very hard formation, available in both open-air bearing type or sealed bearing type. Under our R&D team’s constant product development, our Rotary Rock Drilling Bits are renowned for their great reliability, excellent and even quality and long services life with an expertise direct to any corner of the world.

All bits the above are manufactured according to strict standards, set forth by the American Petroleum Institute (API).

And classified according to characteristics set forth by the International Association of Drilling Contractors (IADC).

How to read an IADC Code properly

What is Blast Hole Drill Bits?

​In the mining industrial, blast hole drilling is very important to achieving the required product or outcome. Drilling suitable holes allowing explosive charges to be placed down the holes. And then to blast large areas making them more manageable and easier to remove.

Bits thread are manufactured according to API standards.

Advantage:advantage of tci drill bit.pdf

1. Rotary drill bits are manufactured using aircraft quality steel and premium carbide grades developed to suit the toughest application.
2. Computerized designs using solid modeling, computerized manufacturing processes using the latest in CNC equipment and computer process controlled heat treatment ensure consistent, high quality, drill bits.
3. A tailor made cutting structure provides our customer with the best combination of bit life and rate of penetration to yield the lowest cost per meter.
4. The gauge will have Carbide Gauge Inserts to prevent early erosion of the steel. In very harsh or abrasive conditions additional protection is offered by applying Hard Facing alloy material to reinforce critical wear areas of the bit.

Tianying's Best Service

Come rain or shine, on work days or holidays, at home or abroad, our services are there when you need them. We believe you will be entirely satisfied with our working attitude and diligence.

Tianying promises that once you choose us, our company is there ready to respond with the first arrival solution any time, anywhere.

Don’t see the bit you are looking for? Give us a call, we can customize any bit to fit your unique circumstances.

    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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