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Basical Parameter
Bit Size 9 7/8"(250.8MM)
IADC Code 537
Connection 6 5/8"API reg pin
Rotary Speed(rpm) 110~40
Weight on Bit(KN/MM) 0.5~1.05
Formation Low compressive strength, medium hard ...
Bit Size 8 1/2"(215.9MM)
Model 617
Application
Suitable for roller bits core barrels for pile foundation construction
Features 1. Enhanced wear resistant gauge protection,increase the ...
Bit Size 8 1/2"(215.9MM)
Model 617
Application
Suitable for hole openers used for HDD engineering
Features 1. Enhanced wear resistant gauge protection,increase the working life.
2. High ...
Bit Size 8 1/2"(215.9MM)
Model 617
Application
Suitable for roller bits core barrels for pile foundation construction
Features 1. Enhanced wear resistant gauge protection,increase the ...
Bit Size 8 1/2"(215.9MM)
Model 617
Application
Suitable for roller bits core barrels for pile foundation construction
Features 1. Enhanced wear resistant gauge protection,increase the ...
Bit Size 8 1/2"(215.9MM)
Model 537
Application
Suitable for hole operners used for HDD engineering
Features 1. Enhanced wear resistant gauge protection,increase the working life.
2. Hih ...
Bit Size 8 1/2"(215.9MM)
Model 617
Application
Suitable for roller bits core barrels for pile foundation construcation
Features 1. Enhanced wear resistant gauge protection,increase the ...
Bit Size 8 1/2"(215.9MM)
Model 617
Application
Suitable for roller bits core barrels for pile foundation construcation
Features 1. Enhanced wear resistant gauge protection,increase the ...
Basical Parameter
Bit Size 5 3/4"( 146.1MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 3 1/2 "API reg pin
Rotary Speed(rpm) 180~80
Weight on ...
Basical Parameter
Bit Size 20"( 508MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 7 5/8 "API reg pin
Rotary Speed(rpm) 180~80
Weight on ...
Basical Parameter
Bit Size 6 1/4"( 158.7MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 3 1/2 "API reg pin
Rotary Speed(rpm) 180~80
Weight on ...
Basical Parameter
Bit Size 8 3/8"( 212.7MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 4 1/2 "API reg pin
Rotary Speed(rpm) 180~80
Weight on ...