Item

Tricone drill bit, rock roller bit, oil well rock bit

Bearing Type

H---Friction bearing; G---Roller bearing; F--- Floating Bearing

Sealing Type

HJ(metal sealed journal bearing)   HA (rubber sealed journal bearing)  aircooled bearing type

Size

From 2 7/8” to 26” larger sizes for hole opener bit ,reamer 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

Material

alloy steel, tungsten carbide insert

Extra Feature

1) Y-Conical teeth  2) X-chisel teeth 3)K- wide teeth 4)G- Gague protection

Applicable Formation

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

Application

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

Package

Wooden case or as your requirement

Payment Term

T/T, L/C at sight

Lead Time

3-10days

Delivery Way

By sea or by air