Customization: | Available |
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Type: | Drilling Tool |
Usage: | Metal Drilling, Masonry Drilling, Well Drilling |
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Cutting Structure | |||
Gauge rows and innerfows are conical type: Designed for soft formation with low compressive strengths such as shale, soft limestone, dolomite with interlayers and coal ore. Application:15,000-23,000 PSI(100-158MPa) |
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Shinttail Protection | |||
Hard metal on lug; Wear resistant carbide on shirttail lip and lug. |
ProductSpecification | |||
IADC code | 545/542 | ||
Bearing Type | Roller-Ball-Roller-Thrust Button/Sealed bearing/Open bearing | ||
Circulation Type | Jet Air | ||
Cutting Structure | Inner and Nose rows: Conical Gauge rows: Conical Heel rows: round | ||
Pin Connection | 3 1/2" API | ||
Bit Diameter | 159mm (6 1/4") | ||
Product Weight | 20KG (44 Lbs) |
Operating suggestions | ||||
Weight on Bit:12500-31250 Lbs Rotary Speed:110-80RPM Air Back Pressure: 0.2-0. 4 MPa |