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Urumqi Siruite Mechanical Equipment Co.,Ltd
tricone bit and PDC bit for oil/water/geothermal/exploration well drilling. for tricone bit 3 7/8"~26" for PDC bit 4 1/2"~17 1/2"
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soft rock formation drilling 8 1/2" IADC117 milled tooth rock roller cone bits

soft rock formation drilling 8 1/2" IADC117 milled tooth rock roller cone bits

Brand Name : KINGDREAM
Model Number : 8 1/2 inch
Certification : API and ISO
Place of Origin : China
MOQ : 1 pcs
Price : 400 to 1000USD per pcs
Payment Terms : Western Union, L/C, T/T
Supply Ability : 1000pcs per year
Delivery Time : 3 days
Packaging Details : fumigation wooden case or as required
size : 8 1/2"
IADC CODE : 117
Processing : casting
thread connection : 4 1/2" api reg pin
application : water and oil well drilling
formation : soft
rotate speed : 60-180 r/min
bit pressure : 0.35-0.90 KN/mm
weight : 40/45
Place or origin : Urumqi of China
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Any question, pls write to Jess' whats-app 008613629902894

Related Products:

8 1/2" IADC127 KINGDREAM rock bit

If you are interested in this product,When you inquiry, please list main information like below and :

(1)Bit size(diameter)

(2)IADC CODE

(3)To drill which kind of well,

(4)such as:oil,gas,water,geothermal well,ect.

(5)Drilling formation

(6)Used or new condition

Siruite Rock Drilling Tools Main Products:


Tricone Drill Bit

3 7/8", 5",5 1/8", 5 1/4", 5 1/2", 5 5/8", 5 7/8" , 6", 6 1/8", 6 1/4", 6 3/8", 6 1/2" , 7 1/2", 7 5/8", 7 7/8" , 8 3/8", 8 1/2", 8 3/4",9 1/2", 9 5/8", 9 7/8" 10 5/8",11 5/8" , 12 1/4", 13 5/8", 13 3/4" , 14 3/4",15", 15 1/2", 16" , 17 1/2", 20", 22”, 24" , 26"

PDC Drill Bit

4 1/2”,4 3/4” ,4 5/8”,5 1/4”, 5 1/2”, 5 7/8”,6”, 6 1/8”,6 1/2”,6 3/4”,7 1/2”,7 7/8”,8 1/2”,8 3/4”,9 1/2”,9 5/8”,9 7/8”,10 5/8”,11 5/8” 12 1/4”,13 3/4”,13 5/8”,14 3/4”,15 1/2” ,16”,17 1/2”

Hole Opener

10”, 12”, 14”,16”,18”,20”,

22”,24”,26”,28”,33”,36”

Sintered Diamond Bit

46mm, 56mm, 66mm, 76mm, 94/96mm


Tricone Bit Applications:

· Gas Wells

· Oil Wells

· Water Wells

· Mining

· Environmental

· Geothermal

· Blast Holes

· Construction

· Exploration


Tungsten Carbide Tricone Rock Bits

IADC CODE--- Formation

IADC 437 Soft Formation
The 437 tci bits are used to drill low compressive strength,very soft formations .TCI bits maximize the use of bothconical and chisel tungsten carbide inserts of large diameters and high projection.This cutting sstructure design,combined with maximum cone offset,results in high bit penetration rates .The deep intermesh of cutter rows prevents bit bailing in sticky formations.

IADC 517 Medium Formation


The 517features aggressive chisel tungsten carbide inserts on the heel rows and inner rows.This desing provides a fast drilling rate and added cutting structure durability in medium-to medium hard formations .The HSN rubber o-ring provides adequate sealing for bearing durability.

IADC 617 Medium-Hard Formation


The 617features robust chisel tungsten carbide inserts on the heel row and conical on the inner rows.This design provides a fast drilling rate and added sutti8ng structure durability in medium to medium hard formations .The HSN rubber o-ring [rovodes adequate sea;omg fpr bearomg dirability.

IADC 637 Hard Formation


The 637bits can be used to drill hard and abrasive formations .Wearresistant tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge.Maximum numbers of bemisphericalshaped inserts are used in all rows to provide cutter durability and long life.


Steel Tooth Tricone Rock Bits

IADC CODE---Formation

IADC 114. 115.116.117 Soft formation


The 114-117 bits are used to drill low-compressive strength,soft formations. Long projection tooth lengths are used on high offset cones to provide the greatest penetration rates possible. Wear-resistant hard facing is used to control tooth wear.On the softest bi types this hard facing completely covers the bit teeth

IADC 124.125.126.127 Medium formation


Medium formation with high-compressive strength and high drillability. Such as sandstone, anhydrite, salt, shale, limestone.


IADC 134.135.136.137 Medium soft formation


Formations with low compressive strength, such as shale, anhydrite, sand and so on for soft formation


IADC216.217 Medium hard formation


The 216-217 bit are always used to Soft to medium formations with

low-compressive strength, such as shale, anhydrite, sand and so on for soft formation.




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