API 8 3/4" 12 1/4" TCI Drill Bit Insert Tricone Rotary Bit

TCI Tricone Bit, TCI Rock Bits, TCI Bits:

Sizes and types available: Common sizes, 6.6-1/2, 7-7/8, 9-7/8, 10-5/8, 12-1/4Various sizes also can be made to order.

Types: IADC Code, 412, 432, 532, 612, 632, 712, 732, 832 etc.

Non-standard also can be available according to your points.

Available Size:

60mm, 65mm, 76mm, 93mm, 95mm, 98mm(3 7/8"),

101.6mm, 114mm, 118mm, 120mm, 127mm(5")

130.1mm(5 1/8"), 133.3mm(5 1/4"), 139.7mm(5 1/2"),

142.8mm(5 5/8"), 149.2mm(5 7/8")

152.4mm(6"), 155.5mm(6 1/8"), 158.7mm(6 1/4"),

161.9mm(6 3/8"), 165.1mm(6 1/2")

190.5mm(7 1/2"), 193.6mm(7 5/8"), 200.0mm(7 7/8")

212.7mm(8 3/8"), 215.9mm(8 1/2"), 222.2mm8 3/4")

241.3(9 1/2"), 244.4(9 5/8"), 250.8(9 7/8")

269.8(10 5/8"), 295.3(11 5/8")

311.1(12 1/4"), 346.0 (13 5/8"), 349.2(13 3/4")

374.6(14 3/4")

381(15"), 393.7(15 1/2"), 406.4(16")

444.5(17 1/2"), 508(20"), 558(22"), 609.6(24")

660.4(26")

IADC CODE

116 117 126127 136 137 216 217 226 226 316 317

326 327 336 337 115 125 135 215 225 235 315 325

335 114 124 214 314 111 121 131 346 347

417 427 437 517 527 537 617 627 637 737 837 832

415 425 435 445 525 625 635 416 427 436 446 447

516 526 537 547 516 536 535

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