100% Original 8 1/2″ IADC517 215mm Tricone Roller Cone/Cutter/Bit
We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for 100% Original 8 1/2″ IADC517 215mm Tricone Roller Cone/Cutter/Bit, If you are interested in any of our products or wish to focus on a personalized get, make sure you come to feel totally free to contact us. We are looking forward to forming profitable company associations with new clients around the world inside the close to upcoming.
We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for , We have now a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of “Standing in Domestic Markets, Walking into International Markets”. We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!
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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 retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for 100% Original 8 1/2″ IADC517 215mm Tricone Roller Cone/Cutter/Bit, If you are interested in any of our products or wish to focus on a personalized get, make sure you come to feel totally free to contact us. We are looking forward to forming profitable company associations with new clients around the world inside the close to upcoming.
100% Original Piling Contrustion Foundation and Single Cutters, We have now a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of “Standing in Domestic Markets, Walking into International Markets”. We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!









