Good quality Metal Sealed Tricone Bit - API factory of rock roller cones bits IADC437 8.5″ for drilling – FAR EASTERN

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Good quality Metal Sealed Tricone Bit - API factory of rock roller cones bits IADC437 8.5″ for drilling – FAR EASTERN Detail:

IADC417 12.25mm tricone bit

Product Description

Metal Face sealed TCI Drill Bit IADC437 8 1/2″ (215mm or 216mm) is for soft formation well drilling.
Bit Description:
IADC: 437 – TCI journal sealed bearing bit with gauge protection for soft formations with low compressive strength and high drillability.
Compressive Strength:
65 – 85 MPA
9,000 – 12,000 PSI
Ground Description:
Long intervals of very soft poorly compacted shales, dolomites, sandstones, clays, salts and limestones.
Far Eastern Drilling can offer tricone drill bits in a variety of sizes (from 3 7/8” to 26”) and most of IADC Codes.

1>8 1/2″(215mm or 216mm) 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.
2>We have two types of tricone bit according to grades of bearing , one is Elastomer sealed bearing with normal quality and price, another is Metal-face sealed bearing with higher performance and price.
3>For very deep well drilling, we recommend Metal-face sealed bearing tricone bits in drilling depth exceeds 1000 meters, for hard rock and long distance trenchless pilot hole drilling that length exceeds 300 meters we also recommend metal-face sealed bearing tricone bits.
4>For water well drilling, shallow well drilling or shorter distance trenchless pilot hole drilling projects, elastomer(rubber) sealed bearing tricone bits has better cost performance.

IADC417 12.25mm tricone bit

Product Specification

Basical Specification
Size of Rock Bit	8.5 inches
Size of Rock Bit	215.90 mm
Bit Type	TCI Tricone Bit
Thread Connection	4 1/2 API REG PIN
IADC Code	IADC 437G
Bearing Type	Journal Sealed Bearing with Gauge Protection
Bearing Seal	Elastomer/Rubber
Heel Protection	Available
Shirttail Protection	Available
Circulation Type	Mud Circulation
Drilling Condition	Rotary drilling,high temp drilling,deep drilling,motor drilling
Total Teeth Count	80
Gage Row Teeth Count	33
Number of Gage Rows	3
Number of Inner Rows	7
Jounal Angle	33°
Offset	8
Operating Parameters
WOB (Weight On Bit)	17,077-49,883 lbs
WOB (Weight On Bit)	76-222KN
RPM(r/min)	300~60
Recommended upper torque	16.3-21.7KN.M
Formation	Soft formation of low crushing resistance and high drillability.

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Far Eastern are factory specializes in drill bits,such as tricone bits, PDC bits, HDD hole opener,Foundation roller cutters for water well, oil field, gas well,mining,construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the high quality products at the lowest possible price.

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