Popular Design for API Factory of 8.5 Inches Oil Rig Drill Bits Discounted Price in Stock
We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for Popular Design for API Factory of 8.5 Inches Oil Rig Drill Bits Discounted Price in Stock, We’re looking ahead to creating long-term enterprise associations along with you. Your reviews and recommendations are remarkably appreciated.
We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for , Our main objectives are to provide our customers worldwide with good quality, competitive price, satisfied delivery and excellent services. Customer satisfaction is our main goal. We welcome you to visit our showroom and office. We are looking forward to establish business relation with you.
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Product Description

API tricone rock metal sealed bits from China factory have 2% discount for big quantity.
IADC: 517 – TCI journal sealed bearing bit with gauge protection for soft to medium soft formations with low compressive strength .
85 – 100 MPA
12,000 – 14,500 PSI
Medium hard and abrasive rocks such as sandstones with streaks of quartz, hard limestone or chert, hematite ores, hard, well-compacted abrasive rock such as: sandstones with quartz binder, dolomites, quartzite shales, magma and metamorphic coarse grained rocks.
8.5 inches (215mm or 216mm) API TCI Tricone Bits for Hard Rock
8 1/2″(215mm or 216) is a regular size in deep well drilling like oil and gas well drilling, and it is also a regular size in horizontal directional pilot hole drilling.
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Product Specification
|
Basical Specification |
|
|
Size of Rock Bit |
8 1/2inches |
|
215mm or 216mm |
|
|
Bit Type |
TCI Tricone Bit |
|
Thread Connection |
4 1/2 API REG PIN |
|
IADC Code |
IADC 517G |
|
Bearing Type |
Journal Sealed Bearing with Gauge Protection |
|
Bearing Seal |
Elastomer or Rubber/ Metal |
|
Heel Protection |
Available |
|
Shirttail Protection |
Available |
|
Circulation Type |
Mud Circulation |
|
Drilling Condition |
Rotary drilling, high temp drilling, deep drilling, motor drilling |
|
Nozzles |
3 |
|
Operating Parameters |
|
|
WOB (Weight On Bit) |
16,852-48,310 lbs |
|
75-215KN |
|
|
RPM(r/min) |
140~60 |
|
Formation |
Soft to medium formation with low compressive strength, such as mudstone, gypsum, salt, soft limestone, etc. |
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We get pleasure from a very very good standing between our shoppers for our fantastic product quality, aggressive price as well as very best support for Popular Design for API Factory of 8.5 Inches Oil Rig Drill Bits Discounted Price in Stock, We’re looking ahead to creating long-term enterprise associations along with you. Your reviews and recommendations are remarkably appreciated.
Popular Design for Tricone Drilling Bit and TCI Tricone Bits, Our main objectives are to provide our customers worldwide with good quality, competitive price, satisfied delivery and excellent services. Customer satisfaction is our main goal. We welcome you to visit our showroom and office. We are looking forward to establish business relation with you.







