TCI 8 1/2 Tricone Well Bit, Medium Hard Formation Rock Bit

• Standard: ISO
• Usage: Well Drilling, Well Drilling
• Transport Package: Wooden
• Specification: SGS
• Origin: Hebei
• HS Code: 82071990
• Production Capacity: 5000PS/Year

Product Description

 

ModelTCI BIT, STEEL TOOTH BIT

 
 
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

advantagemost favourable price and best qualtity

bearing type:sealed bearing and non-sealed bearing

Model	Button/Insert Tooth Tricone Bits                          Steel/Milled Tooth Tricone Bits
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
Material	Alloy steel ,carbide
Packing	Wooden case or steel case
Payment terms	T/T,L/C,Western union
Delivery terms	By sea or by air
Delivery time	Within 3 to 7 days
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

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

MaterialAlloy steel ,carbide

PackingWooden case or steel case

Payment termsT/T,L/C,Western union

Delivery termsBy sea or by air

Delivery timeWithin 3 to 7 days

MarketCanada, USA,Middle east ,Africa,Europe

 
   
Recommended drilling parameters of tri-cone rock bits

Rock formationBit typeBit sizeDrilling weightRotary speed

mminchkN/mmr/min

Very softSoft Marl, Clays, Sands, Salts etc.1187.3~346.17 3/8~13 5/8441~735120~50

softClays, Soft Shale, Marl, Sands, Salts etc.295.2~174.63 3/4-6 7/8245-490100-50

187.3~346.17 3/8-13 5/8490-78490-40

Medium softShale, Marl, Sandstone, Soft Limestone etc.395.2~174.63 3/4-6 7/8245-49080-40

187.3~311.17 3/8- 12 1/4490-78480-40

mediumHard Shale, Limestone, Medium/Hard Sandstone etc.495.2~174.63 3/4-6 7/8294-53980-60

187.3~241.37 3/8-9 1/2539-83360-40

medium hardHard Dolomite, Limestone, Hard Sandy, Rock etc.595.2~174.63 3/4-6 7/8294-53980-60

187.3~241.37 3/8-9 1/2539-83360-40

hardSandy, Shale, Quartzite, Hard Dolomite, Hard Sandstone etc.695.~-174.63 3/4-6 7/8294-53980-40

187.3-215.97 3/8-8 1/2580-88260-40

Very hardQuartzite, Chert, Basalt Granites, Pyrites etc.795.2-174.63 3/4-6 7/8294-53980-40

Bearing type: sealed bearing and non-sealed bearing
                           metal sealed journal bearing
                           rubber sealed journal bearing

Note: the upper limits of WOB and RPM in above table should not be used stimultaneously.