Basical Specification |
Size of Rock Bit |
12 1/4 inches |
311.1 mm |
Bit Type |
TCI Tricone Bit |
Thread Connection |
6 5/8 API REG PIN |
IADC Code |
IADC 537G |
Bearing Type |
Journal Sealed Bearing with Gauge Protection |
Bearing Seal |
Elastomer/Rubber or 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) KN/mm |
0.35-0.9 |
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. |
Steel (Milled) Tooth Bit IADC Code |
IADC111,IADC114,IADC115,IADC116,IADC117,IADC121,IADC124,IADC125,IADC126, IADC127,IADC131,IADC135,IADC136,IADC137,IADC214,IADC216,IADC225,IADC226, IADC235,IADC237,IADC314,IADC315,IADC316,IADC317,IADC325,IADC326,IADC327, IADC335,IADC336,IADC337,IADC347 |
Tungsten Carbide Insert (TCI) Bit IADC Code |
IADC417,IADC427,IADC437,IADC517,IADC527,IADC537,IADC617,IADC627,IADC637, IADC737,IADC837,IADC832,IADC415,IADC425,IADC435,IADC445,IADC525,IADC625, IADC635,IADC412,IADC415,IADC416,IADC422,IADC425,IADC427,IADC435,IADC436, IADC446,IADC447,IADC516,IADC526,IADC532,IADC535,IADC536,IADC542,IADC545, IADC547,IADC615,IADC622,IADC632,IADC635,IADC642,IADC645,IADC715,IADC722, IADC725,IADC732,IADC735,IADC742,IADC745,IADC825,IADC832,IADC835,IADC845 |
Available Sizes |
From 2 7/8 inches to 26 inches larger sizes for the hole opener bit ,reamer bit |
Advantage |
Most favorable price and best quality |
Bearing Type |
Sealed bearing / non-sealed bearing / Metal sealed bearing / Rubber sealed journal bearing / Air cooled bearing |
Layer Details |
Soft,medium soft, hard ,medium hard, very hard formation |
Button Size/Extra Features |
Button bit teeth:1) Y-Conical teeht 2)X-Chisel teeth 3)K-Wide teeth 4)Spoon tooth 5)Spherical Tooth |
Material |
Alloy steel ,Tungsten of Carbide |
Application |
oil well drilling, gas well drilling, geothermal well drilling, mining, geological survey, hydrographic survey, water well drilling, HDD pipelines installation projects, foundation rock piling projects. |