China HDD Back Reamer manufacturer & supplier

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1.Double top structure
2.Optimal design
3.Forged connector
4.Optimizing tool joint
5.Upsetting &thickening

2019-03-07

311mm*6 5/8"REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

311mm*6 5/8"REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

215mm*4 1/2"REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

215mm*4 1/2"REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

165mm*3 1/2"REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

152mm*3 1/2"REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

118mm*3 1/2REG

Tricone bit for hard rock with inserted teeth on it, which has rubber seal for safety.

2018-05-22

83-102mm

Break out the pipe easily and save labour, operate easily, long lifetime, apply to pipe diameter 60 to 83mm.

2019-02-27

60-83mm

Break out the pipe easily and save labour, operate easily, long lifetime, apply to pipe diameter 60 to 83mm.

2019-03-02

165mm*6 5/8"REG

PDM Drill with cone bit for rock drill.It deflect quickly and long lifetime for the project continuous.

2017-08-10

120mm*NC50

PDM Drill with cone bit for rock drill.It deflect quickly and long lifetime for the project continuous.

2017-08-10

95mm*3 1/2"REG

PDM Drill with cone bit for rock drill.It deflect quickly and long lifetime for the project continuous.

2017-08-10

92*500mm(D80)

The Sub Series consists of all types thread for HDD drill pipe connecting and Pin/Box protecting block,which are forged with texture of 37CrMnMo.

2017-10-16

88*450mm(NC26)

The Sub Series consists of all types thread for HDD drill pipe connecting and Pin/Box protecting block,which are forged with texture of 37CrMnMo.

2017-10-16

83*450mm

The Sub Series consists of all types thread for HDD drill pipe connecting and Pin/Box protecting block,which are forged with texture of 37CrMnMo.

2017-10-16