rock drilling bits diamond bits tool TCI Steel Tooth Tricone Bit

Size

Bit Type oF TCI tricone bit

In.

mm

6

152.4

517G, 537G, 617G, 637G

6 1/2

165.1

517G, 537G

7 7/8

200.0

517G, 527G, 547G, 617G, 627G, 637G

8 1/2

215.9

437G, 447G, 517G, 537G, 617G, 627G, 637G

9 1/2

241.3

437G, 517G, 537G, 547G, 617G

9 5/8

244.5

437G, 517G, 537G, 547G, 617G

9 7/8

250.8

437G, 517G, 537G, 547G, 617G

12 1/4

311.1

437G, 517G, 537G, 617G, 627G, 637G

17 1/2

444.5

517G, 537G, 617G, 627G, 637G

Model

IADC CODE

 116 117 12 6127 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

available sizes:

From 2 7/8 to 26”

larger sizes for hole opener bit ,reamer bit

advantage

most favourable price and best qualtity

bearing type:

sealed bearing and non-sealed bearing

HJ(metal sealed journal bearing)  

HA (rubber sealed journal bearing

aircooled bearing type

Formation or layer

soft ,medium soft ,hard,medium hard,very hard formation

Button size (extra features)

Button bit,saw teeth

1) Y-Conical teeth  2) X-chisel teeth

3)K- wide teeth

4)G- Gague protection