9-1/2 Inch IADC 645 Tungsten Carbide Tri-cone Roller Drill Bits for Mining Rock Drilling
| Drill Bit | Tricone Drill Bit |
| Size | 9-1/2” (241.3mm) |
| IADC Code | 645 |
| Bearing Type | Sealed Bearing |
| Circulation Type | Mud Fluid |
| Thread Connection | 6 5/8 API Reg |
| Gauge Protection | Available |
| Shirttail Protection | Available |
| Operating Parameters | |
| Weight On Bit | 125-300 KN |
| Rotary Speed | 80-40 rpm |
| Formation | hard formations with high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc |
Tri-cone Bit Overview
- Tri-cone drill bit, also known as a roller cone bit, is a type of rotary drill bit that uses three independently rotating cones with embedded tungsten carbide or steel teeth to crush, grind, and break rock formations.
- It provides excellent durability and versatility, making it suitable for a wide range of rock types from soft to extremely hard formations.
- Commonly used in oil, gas, mining, and water well drilling, tri-cone bits deliver reliable drilling performance, high penetration rates, and extended service life.
- They are particularly effective in complex or abrasive geological conditions where consistent rock crushing and stability are essential.
Tricone Bit Operation Guidelines
Lower the roller cone drill bit near the well bottom and gradually increase pump displacement to the required level.
After briefly cleaning the well bottom, progressively increase drilling pressure.
Monitor pump pressure to ensure it stays within the drill bit’s technical specifications.
Rotate the bit slowly to prevent sticking.
Inspect the drill bit before use: check outer diameter wear, cutting teeth condition, water eye blockages, and ensure drilling fluid meets design specifications.
Operate the bit similarly to a standard turntable, monitoring parameters such as rotation speed, drilling pressure, and equipment data to assess drilling conditions.
Observe rock chips and drilling performance to identify bit wear, formation changes, or unstable pump pressure caused by broken formations or mud coverage.
Features of Tricone Drill Bits
Durable TCI Inserts
High-quality tungsten carbide inserts for longer service life.
Optimized Tooth Design
Efficient tooth arrangement for faster drilling.
Stable Performance
Reduces vibration for smooth operation.
Versatile Use
Works well in medium to hard rock formations.
Engineered for Multiple Industries
Our tricone drill bits are designed for drilling into rock formations in oil, gas, and mining operations. These wear-resistant and durable bits feature an optimized tooth layout for efficient penetration of medium-hard to hard rock formations, while maintaining stable drilling performance under complex formations and high-pressure conditions, ensuring operational efficiency and bit life.
Packaging & Shipping
Each drill bit is carefully packed to prevent damage during transportation. Standard packaging includes sturdy wooden boxes or reinforced cartons, ensuring safe delivery.
We deliver via air, sea, or land, depending on customer requirements and destination.
