Well-designed Bit Tricone - TCI tricone bit IADC447 8 1/2 inches (215.9mm) – FAR EASTERN
Well-designed Bit Tricone - TCI tricone bit IADC447 8 1/2 inches (215.9mm) – FAR EASTERN Detail:
![]()
Product Description

Wholesale TCI Drill Bit IADC447 8 1/2″ (215mm or 216mm) is for soft formation well drilling.
Bit Description:
IADC: 447 – TCI journal sealed bearing bit with gauge protection for soft formations with low compressive strength and high drillability.
Compressive Strength:
65 – 85 MPA
9,000 – 12,000 PSI
Ground Description:
Long intervals of very soft poorly compacted shales, dolomites, sandstones, clays, salts and limestones.
Far Eastern Drilling can offer tricone drill bits in a variety of sizes (from 3” to 26”) and most of IADC Codes.
Far Eastern are factory specializes in drill bits,such as tricone bits, PDC bits, HDD hole opener,Foundation roller cutters for water well, oil field, gas well,mining,construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the high quality products at the lowest possible price.
Tungsten Carbide Insert bit IADC447 8 1 /2 inches (215.9mm) is for soft and medium formation.
The medium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations.
The HSN rubber O-rring provides adequate sealing for bearing durability.

![]()
Product Specification
|
Basical Specification |
|
|
Size of Rock Bit |
8 1/2 inches |
|
215.90 mm |
|
|
Bit Type |
TCI Tricone Bit |
|
Thread Connection |
4 1/2 API REG PIN |
|
IADC Code |
IADC 447G |
|
Bearing Type |
Journal Sealed Bearing with Gauge Protection |
|
Bearing Seal |
Elastomer or Rubber/Metal face sealed |
|
Heel Protection |
Available |
|
Shirttail Protection |
Available |
|
Circulation Type |
Mud Circulation |
|
Drilling Condition |
Rotary drilling,high temp drilling,deep drilling,motor drilling |
|
Operating Parameters |
|
|
WOB (Weight On Bit) |
16,853-43,592 lbs |
|
75-194KN |
|
|
RPM(r/min) |
150~70 |
|
Formation |
Very soft formation with low compressive strength and high drillability,such as clay,mudstone,salt,soft limestone,etc. |
![]()
Far Eastern are factory specializes in manufacturing high quality drill bits since 2000,such as tricone bits, PDC bits, HDD hole opener,Drag bit,Foundation roller cutters for water well, oil field, gas well,mining,construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the high quality products at the lowest possible price.
We have shipped to more than 46 countries and we also get the best feedback from the end clients. We are supported by many yeras of experience,trained professionals .Reduce the ocst,speed the drilling,guarantee the safety is always our aim.
Welcome to visit our factory to cooperate with you soon!



Product detail pictures:
Related Product Guide:
Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Well-designed Bit Tricone - TCI tricone bit IADC447 8 1/2 inches (215.9mm) – FAR EASTERN , The product will supply to all over the world, such as: Lahore, Toronto, Colombia, At present our sales network is growing continually, improving service quality to meet customer's demand. If you are interested in any products , please contact us at anytime. We are looking forward to forming successful business relationships with you in near future.

The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.





