OEM/ODM Factory Drill Bit Tricone - Rotary tricone bit IADC537 6 1/4 inches (159 mm) – FAR EASTERN
OEM/ODM Factory Drill Bit Tricone - Rotary tricone bit IADC537 6 1/4 inches (159 mm) – FAR EASTERN Detail:
![]()
Product Description

Wholesale API rotary tricone drilling bits in the stock from China factory is for deep oil well.
Bit Description:
IADC: 537 – TCI journal sealed bearing bit with gauge protection for soft to medium soft formations with low compressive strength .
Compressive Strength:
85 – 100 MPA
12,000 – 14,500 PSI
Ground Description:
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.
We can offer TCI bits in avariety of sizes (from 3 3/8″ to 26″) and all most of IADC codes.
6 1/4″ Tricone Bits is a regular diameter for HDD pilot hole, this model has 3 lateral jet nozzles, the hydraulic performance is better than central jet hole in clearing rock chips especially in drilling sticky rocks.
Density and height of quality tungsten carbide inserts are optimized designed to reach the best ROP ( Rate of Penetration ), the bearing is sealed by Elastomer O-ring, and arms are armored by TC inserts.
Far Eastern are factory specializes in drill bits,such as tricone bits, PDC bits, HDD hole opener,Foundation roller cutters for different applications.
As a leading drill bits factory in China,increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.

![]()
Product Specification
|
Basical Specification |
|
|
Size of Rock Bit |
6 1/4 inches |
|
158.80.mm |
|
|
Bit Type |
TCI Tricone Bit |
|
Thread Connection |
3 1/2 API REG PIN |
|
IADC Code |
IADC 537G |
|
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 |
Three Nozzles |
|
Operating Parameters |
|
|
WOB (Weight On Bit) |
16,178-35,502 lbs |
|
72-158KN |
|
|
RPM(r/min) |
50~220 |
|
Formation |
Medium formation with low compressive strength,such as medium,soft shale,medium soft limestone,medium soft limestone,medium soft sandstone, medium formation with harder and abrasive interbeds,etc. |
![]()
As a leading drill bits factory in China,increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.



Product detail pictures:
Related Product Guide:
owing to good service, a variety of high quality products, competitive prices and efficient delivery, we enjoy a good reputation among our customers. We are an energetic company with wide market for OEM/ODM Factory Drill Bit Tricone - Rotary tricone bit IADC537 6 1/4 inches (159 mm) – FAR EASTERN , The product will supply to all over the world, such as: Barcelona, Montpellier, Myanmar, By adhering to the principle of human oriented, winning by quality, our company sincerely welcomes merchants from at home and abroad to visit us, talk business with us and jointly create a brilliant future.

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.




