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Upgrade your drilling equipment with the HY-TLI series bit, an O-ring rubber sealed roller bearing bit designed for high drilling speed. This bit is an ideal and economical tool for various drilling applications, thanks to its advanced features and durable construction.
| Bit Size | 8 3/4" (220.7mm) |
| Thread Connection | 4 1/2" Reg pin |
| Bearing Type | Rubber/Metal O-ring Journal Bearing |
| Recommended Make Up Torque | 16.3~21.7 KN.M |
| WOB (Weight On Bit) | 0.35~0.5 KN/mm |
| Rotary Speed | 70~40 r/min |
| Formation | Medium hard with high compressive strength and thick &hard stringers, such as hard shale, limestone, sandstone, and dolomite. |
Rubber sealed roller bearing structure for high drilling pressure and speed
Surface wear reduction and hardening treatment for improved bearing capacity and anti-bite ability
New high-temperature resistant lubricating grease for improved sealing and lubrication at temperatures up to 250°
High-strength and high-toughness hard alloy teeth for increased impact resistance and reduced tooth breakage
Optimized design for cutting ability and speed with unique alloy tooth shape
Water well drilling
Geothermal well drilling
Oil and gas exploration
Mining operations
No approved technical specifications are available yet. Please refer to the product description or contact our team.
The size of the Three Wing Drill Bit is 8 3/4 inches (220.7 mm).
This drill bit uses a 4 1/2 inch Reg pin thread connection.
The recommended make-up torque for this drill bit is between 16.3 to 21.7 kN.m.
This drill bit is suitable for medium hard formations with high compressive strength and thick, hard stringers, such as hard shale, limestone, sandstone, and dolomite.
The rotary speed range for this drill bit is between 70 to 40 r/min.
Key features include a rubber sealed roller bearing structure, surface wear reduction treatment, high-temperature resistant lubricating grease, hard alloy teeth, and an optimized design for cutting ability.
Yes, this drill bit is designed for high drilling speed, making it efficient for various applications.
This drill bit can be used for water well drilling, geothermal well drilling, oil and gas exploration, and mining operations.
The bearing type of the Three Wing Drill Bit is a rubber/metal O-ring journal bearing.
The high-strength and high-toughness hard alloy teeth provide increased impact resistance and reduce tooth breakage, enhancing overall drilling performance.
The drill bit uses a new high-temperature resistant lubricating grease for improved sealing and lubrication at temperatures up to 250°C.
Yes, the drill bit is designed to operate in high temperatures, with lubrication effective up to 250°C.
The advanced features and durable construction of the drill bit make it an ideal and economical tool for various drilling applications.
The rubber sealed structure enhances the bearing's ability to withstand high drilling pressure and speed, improving overall efficiency.
While the drill bit is designed for a wide range of applications, compatibility with specific drilling rigs may vary based on thread connection and rig specifications.
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