215-9mm-iadc637-tricone-bit
215.9mm IADC637 Tricone Bit
![]()
![]()
Product Description: Drilling Tool Drill Head Tricone Bit – High-Performance Bit for Demanding Rock Formations
The 215.9mm Drilling Tool Drill Head Tricone Bit is a precision-engineered drilling component designed for efficient and reliable performance in medium-hard and abrasive rock formations. Constructed to meet the SY/T5164 industrial standard, this tricone bit delivers durability, optimal penetration rates, and longer service life in demanding applications such as mining, water well drilling, oil exploration, and geothermal drilling.
With a 637G IADC classification, this bit is equipped with a rubber sealed bearing system, gauge protection, and high-strength tungsten carbide inserts to handle high-compression formations such as limestone, dolomite, sandstone, and chert. The 215.9mm (8.5-inch) size makes it suitable for a wide range of borehole sizes while maintaining superior cutting and rock-breaking capabilities.
Key Specifications:
-
Product Name: Drilling Tool Drill Head Tricone Bit
-
Size: 215.9mm (8.5 inches)
-
Type: IADC 637G
-
Bearing Type: Rubber sealed bearing
-
Thread Connection: 4 1/2″ API Reg pin
-
Gauge Protection: Integrated
-
Weight on Bit (WOB): 0.70–1.20 KN/mm
-
Rotational Speed (RPM): 70–40
-
Application Formation: Medium hard with high compressive strength and abrasiveness
-
Weight: 27 kg
-
Standard: SY/T5164
Performance & Design Highlights:
1. IADC 637G for Tough Rock Conditions
The bit is categorized under IADC 637G, indicating it is engineered for medium-hard to hard formations with high compressive strength and a significant degree of abrasiveness. Typical formations include:
-
Hard limestone
-
Dense dolomite
-
Abrasive sandstone
-
Chert
These formations pose challenges to drilling operations due to their resistance to cutting and tendency to cause wear on conventional bits. The 637G design addresses these issues with enhanced strength, cutting structure, and bearing systems.
2. Durable Rubber Sealed Bearing System
The internal rubber sealed bearing system offers superior protection from mud, cuttings, and formation debris. This design minimizes internal friction, extends the operational life of the bit, and reduces maintenance costs by shielding key components from harsh downhole environments.
3. Gauge Protection for Consistent Hole Diameter
Gauge protection features such as hardfacing materials and strategically placed tungsten carbide inserts help maintain hole size and bit stability during drilling. This feature is essential in abrasive formations where gauge wear can quickly reduce drilling accuracy and increase operational costs.
4. Precision Tungsten Carbide Inserts (TCI)
The cutting teeth are constructed with high-grade tungsten carbide, known for its resistance to heat, impact, and wear. These inserts are arranged to maximize contact with the formation while minimizing the risk of bit balling or wear. The optimized tooth geometry enhances the rate of penetration (ROP) while preserving structural integrity.
5. Standardized API Connection
The 4 1/2″ API Reg pin ensures compatibility with most standard drill strings and downhole tools. This universal threading design allows for fast and reliable integration into a wide variety of rigs and systems.
Operational Parameters:
-
WOB Range: 0.70–1.20 KN/mm
-
RPM Range: 70–40 r/min
By maintaining drilling within these parameters, users can ensure maximum tool life, efficient penetration, and minimal downtime.
Application Areas:
The 215.9mm Tricone Bit is suitable for use in:
-
Mining operations
-
Water well drilling
-
Oil and gas exploration
-
Geothermal energy projects
-
Infrastructure and foundation drilling
Whether drilling in remote locations or high-stress rock environments, this tricone bit delivers the durability and performance required for professional applications.
Quality Assurance:
Each bit is manufactured in compliance with SY/T5164, the standard for rock drilling tools. Every unit is inspected for:
-
Dimensional accuracy
-
Material integrity
-
Bearing functionality
-
Cutting structure sharpness
Additional quality checks include video outgoing inspections and machinery test reports, ensuring that each bit meets rigorous field performance standards.
Conclusion:
The 215.9mm Drill Head Tricone Bit is a trusted tool for professionals who need reliable performance in abrasive, high-compression rock formations. With its strong design, protective features, and proven cutting technology, this tricone bit reduces downtime, increases penetration efficiency, and delivers dependable results across a wide range of drilling environments.



Reviews
There are no reviews yet.