Wholesale mining tricone rock drill bits with discounted price from China factory.
Bit Description:
IADC: 835-TCI sealed roller bearing bit with gauge protection for extremely hard and abrasive formations.
Compressive Strength:
100-150 MPA
14,500-23,000 PSI
Ground Description:
Hard, well-compacted rocks such as :hard silica limestones,quarzite streaks,pyrite ores,hematite ores,magnetite ores,chromium ores,phosphorite ores,and granites.
We can offer mining tricone rock drill bits in a variety of sizes and most of IADC Codes.
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Basical Specification |
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IADC Code |
IADC835 |
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Size of Rock Bit |
8 1/2 inches |
11 inches |
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216mm |
279mm |
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Thread Connection |
4 1/2” API REG PIN |
6 5/8”API REG PIN |
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Product Weight: |
38KG |
74KG |
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Bearing Type: |
Roller-Ball-Roller-Thrust Button/Sealed Bearing |
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Circulation Type |
Jet Air |
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Operating Parameters |
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Weight on Bit: |
42,500-68,000Lbs |
55,000-88,000Lbs |
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Rotary Speed: |
80-50RPM |
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Air Back Pressure: |
0.2-0.4 MPa |
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Ground Description: |
Hard, well-compacted rocks such as: hard silica limestone, quarzite streaks, pyrite ores, hematite ores, magnetite ores, chromium ores, phosphorite ores, and granite. |
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Tricone bit IADC835 is TCI sealed roller bearing bit.The bit has gauge protection.
The cutting structure are as following:
Ovoid on gauge and inner rows.
The tricone bit will be used for extremely hard and abrasive formations with high compressive strengths such as granite,quartzite,magnetite quartzite.
The application is from 55.000Psi to 66,000Psi.
The shirttail protection is hardmetal and wear resistant carbide on shirttail lip and lug.
The bearing type is roller-ball-roller-thrust button/sealed bearing.
The circulation type is jet air.
Far Eastern Drilling in 2008,attained the quality certifications of API and ISO.As a leading drilling bit factory,we currently hold the majority market share in Chinese domestic market and convincing marekt shares in the south American markets and Australasian.