After-sales Service: | According to Drill Bit Usage |
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Warranty: | According to Drill Bit Usage |
Certification: | API |
Standard: | API |
Surface Treatment: | Polishing |
Manufacturing Process: | Forging |
Samples: |
according buyer requirements
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Customization: |
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Production Specification | |||
IADC | 545 | ||
Bearing Type | Jounary Bearing | ||
Circulation Type | Water | ||
Cutting Structure | Inner & Nose Rows : Double Spherical | ||
Gage Rows | Chisel | ||
Pin Connection : | 7-5/8" | ||
Metric Bit Diameter | 374.6mm | ||
Product Weight | 215 kgs | ||
Operation Recommendations | |||
Weight On Bit (klbs): | 20-40 | ||
Rotation Speed (Rotary): | 60-100rpm | ||
Make Up Toqure(klb.ft): | 50.3-57.5 | ||
Cutter Structure | |||
Spherical on gage ,double spherical on inner rows , | |||
Designed fo higher compressive strength | |||
Medium hard and soft abrasive formations with interlayers | |||
Compressive strength: 29000-38000 Psi /200-262 Mpa |
F.A.Q |
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