High Quality Oil Tci Tricone Bit - API Tricone Bit IADC517 8.5 inches (215.90mm) – FAR EASTERN
High Quality Oil Tci Tricone Bit - API Tricone Bit IADC517 8.5 inches (215.90mm) – FAR EASTERN Detail:
![]()
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.
![]()
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. |
![]()



Product detail pictures:
Related Product Guide:
Innovation, good quality and reliability are the core values of our enterprise. These principles today extra than ever form the basis of our success as an internationally active mid-size organization for High Quality Oil Tci Tricone Bit - API Tricone Bit IADC517 8.5 inches (215.90mm) – FAR EASTERN , The product will supply to all over the world, such as: Atlanta, Accra, Lebanon, We've got constructed strong and long co-operation relationship with an enormous quantity of companies within this business overseas. Immediate and specialist after-sale service supplied by our consultant group has happy our buyers. In depth Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Portugal for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.

Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.





