Customization: | Available |
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Type: | Drilling Tool |
Usage: | Metal Drilling, Masonry Drilling, Well Drilling |
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ProductSpecification | |||
IADC code | 745/742 | ||
Bearing Type | Roller-Ball-Roller-Thrust Button/Sealed bearing/Open bearing | ||
Circulation Type | Jet Air | ||
Cutting Structure | Inner Rows: the bullet shaped Gauge and Nose Rows: ovoid insert Gauge bevel protection: Round | ||
Pin Connection | 6 5/8" API | ||
Bit Diameter | 279mm | ||
Product Weight | 83KG |
Operating suggestions | |||||
Weight on Bit:43000-66000 Lbs Rotary Speed:60-90RPM Air Back Pressure: 0.2-0.4 MPa |