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ProductsWe are specialized in the research and development, design, production and sales of petroleum equipment products. Main Products: PDC Drill Bit, Triple Cone Drill Bit, Core Drill Bit, Double Core Drill Bit, Hybrid Drill Bit, Torsion Speed Raising Tool, Downhole Ramper, PDC Reamer, Cone Reamer, Rotary Digging Engineering Palm Pieces, Trenchless Engineering Palm Pieces.
8 1/2" (215.9mm) IADC637G insert tooth tricone drill bit
High compressive strength hard strata, such as sandstone, limestone, dolomite, hard gypsum, and marble.
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Product Specifications
| Diameter | 8 1/2" (215.9mm) IADC637G |
| Bearing Type | Rubber Sealed Bearing |
| Cutting Tooth Type | Tungsten Carbide Inserts |
| Drilling Circulation Type | Mud Circulation |
| Connection Thread Type | 4 1/2 reg pin |
| Roller Diameter Protection (Maintain Diameter) | Yes |
| Back Protection | Yes |
Operating Parameters
| Rotary Speed (r/min) | 80-40 |
| Weight on Bit (KN) | 108-258 |
| Applicable Formation | High compressive strength hard formations, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. |
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