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1.Size: 2 7/8"-26", 2.IADC code: 111-837, 3.Different type of bearing and buttons, 4.Good quality with long service life - details see: https://www.machineto.com/tci-tooth-roller-bit-tricone-bit-10316899

Tricone Bit

1. Metal Sealed Bearing Tricone Bit

----Cutting Structure

Steel Tooth: Premium tungsten carbide hard facing on the surface, it’s greatly enhance the wear resistance of the tooth.

Tungsten Carbide Inserts: Various type high quality tungsten carbide inserts canbe equipped on the bits, professional and scientific selection of the inserts as perthe different application and drilling process so that to achieve high efficient drilling production.

----Gauge Structure

Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

----Bearing Structure

Journal bearing and roller bearing types are available to be chosen. Abrasion & seizure resistance, loading capacity, stability of the bearing are well improved, suitable for high speed rotary drilling.

----Seals and Lubrication

The advanced metal seals improve the reliability and stability of the bearing sealing. Pressure difference type compensating system assures a good greasing lubrication function.

---- IADCvary from 117--637 applicable for different type formation.

2. Non-Sealed Roller Bearing Tricone Bit

----Cutting Structure

Steel Tooth: Premium tungsten carbide hard facing on the surface, greatly enhance the wear resistance of the tooth.

----Bearing Structure

Non-sealed roller bearing. Drilling fluid can enter the bearing directly for cooling;

Balls lock the cone which reduces the probability of cone dropping to minimum

---- IADCvary from 114--321 applicable for the hole drilling in the upper section

with good drillability.

3. Elastomer Sealed Bearing Tricone Bit

----Cutting Structure

Steel Tooth: Premium tungsten carbide hard facing on the surface, it’s greatly enhance the wear resistance of the tooth.

Tungsten Carbide Inserts: Various type high quality tungsten carbide inserts can be equipped on the bits, professional and scientific selection of the inserts as per the different application and drilling process to achieve high efficient drilling production.

----Gauge Structure

Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

----Bearing Structure

Journal bearing and roller bearing types are available to be chosen. Abrasion & seizure resistance, loading capacity, stability of the bearing are well improved, suitable for high speed rotary drilling.

----Seals and Lubrication

Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance. Pressure difference type compensating system assures a good greasing lubrication function.

---- IADCvary from 114--637 applicable for different type formation and different drilling rotary speed.

4. Air Cooling Roller Bearing Tricone Bit

----Cutting Structure

Tungsten Carbide Inserts: Various type high quality tungsten carbide inserts can be equipped on the bits, professional and scientific selection of the inserts as per the different application and drilling process to achieve high efficient drilling production.

----Gauge Structure

Multiple gauge protection with gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability.

----Bearing Structure

Air cooling roller bearing package. Balls lock the cone, which reduces the probability of cone-dropping to minimum.

---- IADCvary from 512--732 applicable for mining.

Specification

Product	Tricone Bit
Model	TCI 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 2 7/8 to 26” larger sizes for hole opener bit ,reamer bit
Advantage	most favorable price and best quality
Bearing type	sealed bearing and non-sealed bearing metal sealed journal bearing 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- Gauge protection
Packing	Wooden case
Delivery terms	By sea or by air
Market	Canada, USA, Middle east ,Africa, Europe
Application	Petroleum & gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work

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