IADC437 |
Products Speification | |
Cone Size | For 12 1/4" Tricone/190mm |
Bearing Type | Elastomer Sealed Bearing |
Grease lubrication | Available |
Grease Compensation System | Available |
Inserts Shape | Chisel |
Operating Parameters | |
Application | Very soft formation with low compressive strength ,and high drillability ,such as clay, mudstone,chalk,gypsum,salt,soft limestone,etc. |