Customization: | Available |
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After-sales Service: | According to Drill Bit Usage |
Warranty: | According to Drill Bit Usage |
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Production Specification | |||
IADC | (12-1/4") 537 | ||
Bearing Type | Jounary Bearing | ||
Circulation Type | Water | ||
Cutting Structure | Inner & Nose Rows : Spherical | ||
Gage Rows | Chisel | ||
Pin Connection | 6-5/8" | ||
Metric Bit Diameter | 311.1mm | ||
Product Weight | 98kgs | ||
Operation Recommendations | |||
Weight On Bit (klbs): | 49-84 | ||
Rotation Speed (Rotary): | 90-40rpm | ||
Make Up Toqure(klb.ft): | 50.3-57.5 |