| Customization: | Available |
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| After-sales Service: | Online Support, on-Site Maintenance |
| Surface Treatment: | Spray-Paint |
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Enhancing the wear-resistance of teeth with high density premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit. Reinforcing the compressive mechanical properties of inserts by using premium tungsten carbide insert with new formula and new techniques for insert bit.
Premium tungsten carbide hardfacing enhances tooth wear-resistance for steel tooth bits. Insert bits use new-formula tungsten carbide inserts to improve compressive strength and durability.
Features multiple gauge protections: gauge trimmers, cone gauge inserts, and hardfacing on the shirttail, enhancing gauge holding and seal protection.
High-precision journal bearing with dual thrust faces. Cone locked with balls. Bearing surfaces are hardfaced, alloy inlaid, and silver-plated for improved wear and seizure resistance.
Equipped with premium HNBR O-ring and advanced grease. Radial seal structure and pressure compensator system ensure reliable sealing and lubrication.
Handles high WOB in conventional drilling. Suitable for various formations with flexible cutting structure design (tooth shape, density, and exposure).
| Bit Size | Bit Model | |
| inch | mm | |
| 3 1/2 | 88.9 | S527C |
| 4 5/8 | 117.5 | S126 S517 |
| 4 3/4 | 120.7 | S116C |
| 5 7/8 | 149.2 | S216 S537 S547 S637 |
| 6 | 152.4 | S117W S216 S246 S517 S547 |
| 6 1/4 | 158.8 | S127W S247 S517 S527 S547 S637 |
| 6 1/2 | 165.1 | S127W S217 S517 S537 |
| 6 3/4 | 171.5 | S116GW S447 S537 |
| 7 1/2 | 190.5 | S127W S217 S517 ST517 S527 ST527 S617 |
| 7 7/8 | 200 | S117GW S437G S517G S527G S537G S547G S547GY S617GY S627G S637GY |
| 8 3/8 | 212.7 | S217 S527 S547 |
| 8 1/2 | 215.9 | ST117W ST127W S137W S217 S247 ST437GK ST447GK ST517GK ST527GK ST537G ST547G S617G S627G S637G |
| 8 3/4 | 222.3 | S116GW S437GK ST517G S537G S627G |
| 9 1/2 | 241.3 | ST117CW ST127GW ST417G ST437G ST517G ST527G ST537G ST547G ST617G |
| 9 5/8 | 244.5 | ST437G ST517G S527G |
| 9 7/8 | 250.8 | S117GW ST417GK ST437G ST517G S527G |
| 10 | 254 | S126W |
| 10 5/8 | 269.9 | ST127GW S217G ST437G ST517G ST547G |
| 11 | 279.4 | S117GW S517G S537G |
| 11 5/8 | 295.3 | S117GW S127GW S137GW S217G ST417G ST517G ST537G ST547G |
| 12 | 304.8 | S126W S216 ST517 ST537 ST547 S617 |
| 12 1/4 | 311.2 | ST117W S127W S137 ST417GK ST437G ST517G ST527G ST537G ST547G ST617GY S627G S637G |
| 12 3/8 | 314 | ST437G ST517G ST527G ST537G ST547G ST617GY |
| 12 1/2 | 316.5 | ST437G ST517G ST527G ST537G ST547G ST617GY S627G S637G |
| 13 1/8 | 333.4 | ST437G ST517G ST527G ST537G ST547G |
| 13 5/8 | 346.1 | S437G S517G S537G |
| 13 3/4 | 349.3 | S437G S517G S537G |
| 14 3/4 | 374.7 | S117GW S127GW S137G S517G S527G |
| 15 1/2 | 393.7 | S127GW S217G S517G S527G S537G S547G |
| 16 | 406.4 | ST117GW ST127GW S127G ST517G ST527G S535 ST537G ST547G S545 |
| 17 1/2 | 444.5 | ST117GW S127W S137 ST437G ST517G ST527G ST537G ST547G |
| 18 | 457.2 | ST547G |
| 18 1/2 | 469.9 | S547G |
1. Enhanced Bearing Durability
Equipped with high-precision journal bearings, dual thrust faces, and a silver-plated friction-reducing alloy, providing excellent wear resistance and stability at high rotary speeds.
2. Advanced Metal Sealing System
Features a metal-to-metal seal structure with dual metal seals and elastic energizers for reliable sealing under extreme drilling conditions. This ensures longer bearing life and higher operational reliability.
3. Superior Lubrication System
Integrated pressure compensator and high-performance grease significantly improve lubrication efficiency and protect internal components from wear and heat.
4. Optimized Cutting Structure
Steel tooth bits are reinforced with high-density tungsten carbide hardfacing for extended wear life. Insert bits use newly formulated tungsten carbide inserts to improve impact and compressive resistance.
5. Comprehensive Gauge Protection
Multiple gauge protections including gauge inserts, heel trimmers, and shirttail hardfacing help maintain borehole diameter and improve the durability of the cutting structure.
6. High Speed & High Load Capability
The combination of metal seal, precision bearing, and wear-resistant cutting structure enables the SJ Series bit to perform efficiently in high-speed and high-load drilling environments.
7. Extended Bit Life
All structural enhancements contribute to longer service life, reduced tripping times, and improved drilling efficiency, reducing overall drilling costs.
1.Oil and Gas Drilling
Ideal for medium to hard formations in onshore and offshore oil and gas exploration and production.
2. Geothermal Drilling
Performs reliably under high-temperature, high-pressure geothermal conditions due to its robust metal seal and bearing design.
3.Water Well Drilling
Suitable for deep and complex water well drilling, providing durability and long service life.
4. Mining and Mineral Exploration
Used in drilling blast holes and exploration holes in hard rock formations.
5. Construction and Infrastructure Projects
Applicable in drilling foundation piles, tunnels, and other geotechnical engineering projects requiring rock penetration.
6. Horizontal Directional Drilling (HDD)
Can be used for trenchless drilling applications in tough geological conditions.
Besdrill is a trusted and professional supplier of high-performance drilling tools, specializing in the supply of S Series Elastomer Sealed Journal Bearing Tri-Cone Bits. With a strong focus on quality, innovation, and customer satisfaction, Besdrill provides advanced drilling solutions for the oil & gas, mining, geothermal, and construction industries worldwide.
The S Series Tri-Cone Bits offered by Besdrill feature a robust journal bearing system with high-quality elastomer seals, ensuring exceptional durability, reliability, and performance in demanding drilling environments. These bits are engineered for extended service life and optimal efficiency, even in high-pressure, high-temperature, and abrasive formations.
With a dedicated team of technical experts, strict quality control standards, and a commitment to timely delivery, Besdrill continues to be a preferred partner for clients seeking dependable and cost-effective drilling tools.
In addition to SJ Series Metal Sealed Bearing Tri-Cone Bit, we can also provide you with many other drilling equipment products.
Water Well Drilling Rig
Mud Pump
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