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Step PDC core bit

Step PDC core bit:
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DESCRIPTION

Step PDC core bit main parameters                                                           Thread size

Model 

Outer diameter 

（mm）

inner diameter

（mm）

high


（mm）

 

PDC Quantity

Nozzle quantity

 Large diameter 

（mm）

small-diameter 

（mm）

The length

（mm）

75

75

54.5

95

6

6

68.5

67

40

95

95

75

120

8

8

84

82.5

45

113

113

89

120

10

10

103

101.5

45

 

 

 

 

 

 

 

 

 

Product name :PDC two-stage rib core

 

Model: ordinary reinforced high strength type

 

Features: In the condition of sufficient crown space, step tooth is another geometric structure of the rib bit, which increases the contact surface between the blade and rock

 

The product can reduce the pressure on the unit area of the blade, prolong the service life of the blade, improve the diameter protection effect and protect the core pipe. The mouth deepens and fits

 

Deep well, high pump pressure drilling.