2026 China New Design 8 1/2″ IADC437/517/537 TCI Tricone Bit Factory Selling

Brand Name:

Far Eastern

Certification:

API & ISO

Model Number:

IADC437G

Minimum Order Quantity:

1 piece

Package Details:

Plywood Box

Delivery Time:

5-8 working days

Advantage:

High Speed Performance

Warranty Term:

3-5 years

Application:

Oil, Gas, Geothermy, Water well drilling, HDD, Mining


Product Detail

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Attaining consumer satisfaction is our firm’s purpose for good. We’ll make wonderful efforts to produce new and top-quality merchandise, meet up with your special necessities and supply you with pre-sale, on-sale and after-sale products and services for 2026 China New Design 8 1/2″ IADC437/517/537 TCI Tricone Bit Factory Selling, As an experienced group we also accept tailored orders. The main target of our organization would be to build up a satisfying memory for all clients, and build a long-term win-win organization relationship.
Attaining consumer satisfaction is our firm’s purpose for good. We’ll make wonderful efforts to produce new and top-quality merchandise, meet up with your special necessities and supply you with pre-sale, on-sale and after-sale products and services for , To have much more enterprise. ompanions, we’ve got updated the item list and seek for optimistic co-operation. Our web-site shows the latest and complete information and facts about our goods list and company. For further acknowledge, our consultant service group in Bulgaria will reply to all of the inquiries and complications immediately. They’re going to make their finest effort to meet buyers need. Also we support the delivery of absolutely free samples. Business visits to our business in Bulgaria and factory are generally welcome for a win-win negotiation. Hope to expertise a happy company co-operation perform with you.
IADC417 12.25mm tricone bit

Product Description

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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

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

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.

table

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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API three cones bit
Attaining consumer satisfaction is our firm’s purpose for good. We’ll make wonderful efforts to produce new and top-quality merchandise, meet up with your special necessities and supply you with pre-sale, on-sale and after-sale products and services for 2026 China New Design 8 1/2″ IADC437/517/537 TCI Tricone Bit Factory Selling, As an experienced group we also accept tailored orders. The main target of our organization would be to build up a satisfying memory for all clients, and build a long-term win-win organization relationship.
2026 China New Design Tungsten Carbide Inserted (tooth) Bit and Rock Drill Bit Manufacturer, To have much more enterprise. ompanions, we’ve got updated the item list and seek for optimistic co-operation. Our web-site shows the latest and complete information and facts about our goods list and company. For further acknowledge, our consultant service group in Bulgaria will reply to all of the inquiries and complications immediately. They’re going to make their finest effort to meet buyers need. Also we support the delivery of absolutely free samples. Business visits to our business in Bulgaria and factory are generally welcome for a win-win negotiation. Hope to expertise a happy company co-operation perform with you.


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