API Tricone Bit IADC517 8.5 inches (215.90mm)
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. |