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Tricone roller bit IADC637 4 3/4″ (120mm) for hard rock drilling

Product Description

Wholesale API TCI tricone roller cone drill bits with discounted price in the stock from China supplier for well drilling
Bit Description:
IADC: 637 - TCI journal sealed bearing bit with gauge protection for medium hard formations with high compressive strength.
Compressive Strength:
100 - 150 MPA
14,500 - 23,000 PSI
Ground Description:
Hard,well-compacted rocks such as:hard silica limestones,quarzite streaks,pyrite ores,hematite ores,magnetite ores,chromium ores,phosphorite ores and granites.
We can offer TCI bits in avariety of sizes (from 3 3/8" to 26") and all most of IADC codes.

4 3/4 inches 3 cone bits are always used in shallow 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 protects cone body from being wore.
Drillers use it a lot in water well drilling field in African mountain areas, 3 inches plastic pipes are always installed after 4 3/4" diameter hole drilled.

Product Specification

Basical Specification
Size of Rock Bit 4 3/4 inches
120.6 mm
Bit Type TCI Tricone Bit
Thread Connection 2 3/8 API REG PIN
IADC Code IADC 637G
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) 13,482-32,357 lbs
60-144KN
RPM(r/min) 40~180
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.

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 mission is lowest the cost of drilling-per-meter. Far Easter Drilling's quality will help you to achieve more.