Factory supply 8 1/2" tricone drill bit with api quality

Cangzhou Lockheed Drilling Equipment Parts Co., Ltd. is a professional manufacturer of drilling equipments and tools which is located in Hejian City, the centre of the triangle of Beijing, Tianjin and Shijiazhuang, enjoying convenient transportation.

  Our products Including below three series with full model types: 

Drilling Bit: rock roller bit,tricone bit,pdc drill bit,single bit,cone bit and hole opener; 

Drilling Equipment Parts: manual tong,elevator,slips,stabilizer;

Workover Fishing Tools: releasing spear,junk basket, overshot,reversing sub,die collar, fishing tap etc.

   Our staff are professional and experienced. By the hard efforts and united cooperation, we have established a wide sale network. Striving for excellent quality, better price and perfect service. Welcome new and old customers to order. 

 8 1/2" tricone drill bit  

1.delivery on time
2.Competitive price
3.High quality
4.The best service

TCI tricone rock drill bit

1.Soft formations(417,437,517,537)

Features large chisel-shaped inserts to provide the highest penetration rate in the softest formations such as shales,clays, limestone and sands.  

2.Soft to medium formations(617,637)Designed to drill effectively in formations such as hard limestone, dolomite, hard sands, and other formations with hard cherty.

3.Medium to hard formations(737)

For extremely hard formations such as chert, granite, flint, and taconite. Features short, closely spaced inserts to ensure maximum penetration rate and wear resistance. 

Milled tooth tricone rock drill bit

1.Soft formations(114-117)

These bits are designed to drill the softest formations such as soft shales,red beds, and clays, with high durability and maximum penetration rates.

2.Soft to medium formations(121,124,126,134,136,137)

These bits are designed to drill formations such as shales, medium soft limestone, Medium sandstone and other formations with intermittent hard streaks. 

3.Medium to hard formations(213,214,215,217)

These bits are designed to drill formations such as hard sandstone, dolomite, and broken formations with hard cherty streaks.

4.These types of bits have some common features as follows

1.Force balanced,resist impact to the blade during high speed drilling,to make bit work stable.

2.Plus wear knot section,reduce collision in the hugh-speed rotational vibration.

3.Patented matrix formulation,extended bit life.

4.Optimal hydraulic desigh,easy to move out the drill cuttings and cooling.

5.Equipped with back reaming teeth.

6.The cutter is high performance to increase the ability of anti-impact and anti-abrasive.  

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