China Factory for Api Three Cones Bit - Tricone drill bits IADC537 4 3/4″ (120.6mm) – FAR EASTERN
China Factory for Api Three Cones Bit - Tricone drill bits IADC537 4 3/4″ (120.6mm) – FAR EASTERN Detail:
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Product Description
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API TCI tricone drill bits in the stock from China factory is always for your better petroleum well drilling.
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.
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.
According to cutting material, tricone bit can be divided into TCI bit and Steel Tooth Bit. TCI tricone drill bit IADC537 4 3/4 inches(120.6mm) is alwasused in shallow water well drilling water well drilling , geothermal well drilling and grouting hole drilling, sealed / closed bearing extends the working life,tungsten carbide inserts gauge protection on heel of cones, protectcone body from being wore. The API thread connection is 2 7/8 reg pin.
Drillers use it a lot in water well drilling field in African mountain areas,3 inches drill pipes are always installed after 4 3/4″ diameter hole drilled.

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Product Specification
| Basical Specification | |
| Size of Rock Bit | 4 3/4 inches |
| 121 mm | |
| Bit Type | TCI Tricone Bit |
| Thread Connection | 2 7/8 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 | Central Jet Hole |
| Operating Parameters | |
| WOB (Weight On Bit) | 26,964-11,235 lbs |
| 120-50KN | |
| RPM(r/min) | 50~120 |
| 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. |
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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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