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8 1、2 IADC 437 Roller Cutters
IADC437 |
Products Speification | |
Cone Size | For 8 1/2" Tricone/133mm |
Bearing Type | Elastomer Sealed Bearing |
Grease lubrication | Available |
Grease Compensation System | Available |
Inserts Shape | Chisel |
Operating Parameters | |
Application | Soft formation with low compressive strength ,and high drillability ,such as mudstone,gypsum,salt,soft limestone,etc. |
