Tricone bit 1)Size range from 4 5/8" to 12 1/4" 2)Certification: ISO9001 & API 3)Durable bearing and cutting structure Tricone bit
Tri-cone bits Specification
Bit size | Inch (in) | 5 7/8 | 6 | 61/8 | 6 1/4 | 7 7/8 | 8 3/8 | 8 1/2 | 8 3/4 | 9 1/2 | 9 5/8 | 9 3/4 | 9 7/8 | 12 1/4 | 13 3/4 |
Metric (mm) | 149.2 | 152.4 | 155.6 | 158.7 | 200.0 | 212.7 | 215.9 | 222.2 | 241.3 | 244.5 | 247.3 | 250.8 | 311.1 | 349.2 | |
Bit type | 437 | 437 | 437 | 437 | 447 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | |
517 | 517 | 517 | 517 | 517 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | ||
537 | 537 |
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| 537 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | ||
617 | 617 |
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| 547 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | 537 |
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637 | 637 |
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| 617 | 617 | 617 | 617 |
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| 637 | 637 | 637 |
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API Regular Pin (in) | 3 1/2 | 4 1/2 | 6 5/8 | ||||||||||||
Recommended make-up torque for bit shank (KN.m) |
9.50-12.2 |
16.30-21.70 |
37.93-43.30 | ||||||||||||
rubber seal Tricone bit
