| Customization: | Available |
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| Customized: | Customized |
| Standard: | API |
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IADC Codes - Tricone Rock Bits
IADC Codes are designed to make it easier for drillers to describe what kind of rock bit they are looking for to the supplier.
Such as 12 1/4" IADC617, The first three digits classify the bit according to the formation it is designed to drill and the bearing/seal design used.
Bit Type and Hardness of Formation to be Drilled
First Digit:
1, 2, and 3 steel tooth bits (from softest to hardest).
4, 5, 6, 7, and 8 tungsten carbide insert bits (from softest to hardest).
Second Digit:
from softest (1) to hardest (9).
Third Digit
Stand for bit feature as follows:
Open Bearing
Open Bearing, Air Cooled
Open Bearing with Gauge Protection
Sealed Roller Bearing
Sealed Roller Bearing wih Gauge Protection
Sealed Journal Roller Bearing
Sealed Journal Roller Bearing with Gauge Protection.
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| Product | Size ( Inch ) | IADC CODE |
| TCI Tricone Bit |
3 7/8, 3 5/8, 4 1/2, 4 5/8, 5 1/2, 6 1/2, 6 3/4, 7 7/8, 8 1/2, 8 3/4, 9 1/2, 9 5/8, 9 7/8,10 5/8, 12 1/4, 13 3/4,14 3/4,14 5/8,17 1/2, 6, 16, 20, 22, 23, 24, 26 |
415, 417, 425, 427, 435, 437, 517, 525, 527, 535, 537, 547, 617, 627, 637, 647, 625, 635, 637, 712, 737, 837, 832
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| Steel Tooth Tricone Bit |
3 7/8, 3 5/8, 4 1/2, 4 5/8, 5 1/2, 6 1/2, 6 3/4, 7 7/8, 8 1/2, 8 3/4, 9 1/2, 9 5/8, 9 7/8, 10 5/8, 12 1/4, 13 3/4, 14 3/4, 14 5/8, 17 1/2, 6, 16, 20, 22, 23, 24, 26 |
112, 115, 116, 117, 121, 127, 131, 137, 215, 216, 217, 311, 312, 315, 316, 317, 325, 327 |
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