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Milled Tooth Rock Roller Bits: 7 7/8 to 14 1/2
Milled Tooth Rock Roller Bits: 7 7/8 to 14 1/2
Supplier Info
[China Supplier]
Contact Person : Ms. hu Amy
Tel : 86-317-3231326
Fax : 86-317-3231326
Product Detail
Tri-cone tooth bits 3-26 inch tricone rock roller bit by ISO9001&API best bearing system 20 years history

Milled Tooth Rock Roller Bits: 7 7/8 to 14 1/2

Model

TCI 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

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

  

Hejian Huanyu Petroleum Machinery Co., Ltd. in China.

1) Product :we specializes in manufacturing:Tricone bits,steel tooth bit,milled tooth , rock roller bit,tricone bit,tungsten carbide insert rock bit,tri-cone drill bit ,3 cone bits,rotary bit, TCI tricone bit,PDC drill bit ,diamond core bit,bicenter bit,single cone bit , reamer bit,down hole opener,hole enlarger,drag bit,button bit and drilling equipment for petroleum&gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work all over the world.

 

2> Do you want to learn more about our produtcts?

 pls get back to my email address or call me .

3> Do you wanna know how to ship the bits to your country?

 we will arrange this for you by sea or by air !

4>How to get product information and offers ?

pls feel free to contact Miss Amy hu ( send email ,add msn or skype or give me a  call) .

Recommended drilling parameters of tri-cone rock bits

Rock formation

Bit type

Bit size

Drilling weight

Rotary speed

mm

inch

kN/mm

r/min

Very soft

Soft Marl, Clays, Sands, Salts etc.

1

187.3~346.1

7 3/8~13 5/8

441~735

120~50

soft

Clays, Soft Shale, Marl, Sands, Salts etc.

2

95.2~174.6

3 3/4-6 7/8

245-490

100-50

187.3~346.1

7 3/8-13 5/8

490-784

90-40

Medium soft

Shale, Marl, Sandstone, Soft Limestone etc.

3

95.2~174.6

3 3/4-6 7/8

245-490

80-40

187.3~311.1

7 3/8- 12 1/4

490-784

80-40

medium

Hard Shale, Limestone, Medium/Hard Sandstone etc.

4

95.2~174.6

3 3/4-6 7/8

294-539

80-60

187.3~241.3

7 3/8-9 1/2

539-833

60-40

medium hard

Hard Dolomite, Limestone, Hard Sandy, Rock etc.

5

95.2~174.6

3 3/4-6 7/8

294-539

80-60

187.3~241.3

7 3/8-9 1/2

539-833

60-40

hard

Sandy, Shale, Quartzite, Hard Dolomite, Hard Sandstone etc.

6

95.~-174.6

3 3/4-6 7/8

294-539

80-40

187.3-215.9

7 3/8-8 1/2

580-882

60-40

Very hard

Quartzite, Chert, Basalt Granites, Pyrites etc.

7

95.2-174.6

3 3/4-6 7/8

294-539

80-40

Contact information

Milled Tooth Rock Roller Bits: 7 7/8 to 14 1/2

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