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Basical Parameter
Bit Size 9 1/2"(241.MM)
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 ...
Basical Parameter
Bit Size 16 "(406.4MM)
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 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 5 7/8"(149.2MM)
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 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 13 5/8"(342.9MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 6 5/8"API reg pin
Rotary Speed(rpm) 180~80
Weight on ...
Basical Parameter
Bit Size 9 5/8"(244.5MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 6 5/8"API reg pin
Rotary Speed(rpm) 180~80
Weight on ...
Basical Parameter
Bit Size 7 7/8"(200MM)
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 ...
Basical Parameter
Bit Size 8 3/4"(222.2MM)
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 ...
Basical Parameter
Bit Size 15 1/2"(393.7MM)
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 10 5/8"(269.9MM)
IADC Code 127
Tooth Type Steel /Milled Tooth
Bearing Type Elastomer Sealed Bearing
Connection 6 5/8"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 ...