Size

 215.9mm

IADC

537

Bearing Type

elastomer sealed bearing

Thread Connection

4 1/2 API reg pin

WOB(KN/mm)

0.4~1.1

RPM(r/min)

120~60

Applications

Medium to high abrasive formations, such as hard shale, hard limestone sandstone, whinstone, flintstone, granite, quarts sandstone, hard dolomile, hard limestone, pyrite, etc

Circulation system

Mud / water

Item

TCI Tricone Bit,     Steel Tooth Bit      

 IADC CODE

 116 117 126 127 136 137 216 217 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347

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 3 7/8” to 26”

larger sizes for hole opener bit ,reamer bit

advantage

The most advanced production lines in China of rock bits (factory price); world famous brands agent

bearing type

sealed bearing and non-sealed bearing

metal sealed journal bearing)  

rubber sealed journal bearing

Air cooled 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- Gauge protection

Material

tungstencarbideinsert,Carbonsteel

Packing

Wooden case or steel case

Payment term

T/T,L/C ,Western Union,Paypal

Delivery term

By sea or by air

Delivery time

2 days(stock), 30 days(production)

Market

South Europe,South Korea, Japan, Singapore ,Saudi Arabic,Dubai,USA, Middle east ,Africa, Europe,Central Asia,Russian

Application

Petroleum & gas ,water well ,mining ,oil field, construction, geothermal, directional boring, and underground foundation work