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8 1、2 IADC637 Pilot Bit
IADC637 |
Photo may display one of available options |
Products Speification | |
Cone Size | 8 1/2" |
Bearing Type | Elastomer Sealed Bearing |
Tooth Type | TCI |
Circulation Type | Mud Fluid |
Thread Connection | 4 1/2 Reg Pin |
Gauge Protection | Available |
Shirttail Protection | Available |
Operating Parameters | |
RPM (r/min) | 80~40 |
WOB(KN) | 108~258 |
Application | Hard formation with high compressive strength ,such as limestone,sandstone,dolomite,hard gypsum,marble,etc. |
