22 Inch CR635 TCI Tricone Rock Bit 558.8mm with Tungsten Carbide Inserts for Hard Rock Formations
This 558.8mm tri-cone drill bit delivers exceptional performance in demanding drilling applications with its advanced tungsten carbide insert technology and robust sealed bearing system.
| Specification | Details |
|---|---|
| Product Name | 22 inch CR635 TCI tricone bit |
| Size | 22 inch (558.8mm) |
| Model Number | CR635 |
| Series | CR |
| Tooth Type | TCI (Tungsten Carbide Insert) |
| Connection | 7 5/8" API Reg |
| Bearing | Rubber Sealed Roller Bearing |
| Nozzle Configuration | Three Jet Nozzles and Center Jet |
| Weight | 640kg |
| Certifications | API7-1, SY/T5164, ISO9001:2008 |
- Water Well Drilling
- Oil Well Drilling
- HDD (Horizontal Directional Drilling)
- Geological Exploration
- Mining Operations
Optimized for hard to very hard rock formations with high compressive strength and high abrasiveness, including:
- Limestone
- Dolomite
- Sandstone
- Chert
| IADC Code | WOB (KN/mm) | RPM (r/min) |
|---|---|---|
| 417 | 0.35~0.90 | 140~70 |
| 437 | 0.35~0.95 | 140~60 |
| 447 | 0.35~1.00 | 140~60 |
| 517,527 | 0.35~1.05 | 120~50 |
| 537,547 | 0.35~1.05 | 110~40 |
| 617,627 | 0.35~1.05 | 80~40 |
| 637,647 | 0.70~1.20 | 70~40 |
| 737,837 | 0.70~1.20 | 70~40 |
Crossing Bit is a leading manufacturer of PDC bits and tricone bits in northern China, exporting high-quality drill bits to more than 30 countries. The company specializes in developing and producing a comprehensive range of drilling tools including tricone bits, PDC bits, tricone cutters, PDC reamers, drag bits, and HDD hole openers.
Our products are recognized for exceptional reliability and quality across drilling, construction, HDD, exploration, water well, geothermal, mining, and oil & gas industries.
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