Steel teeth tricone bit 12 1/4″  12 1/2″ IADC 127 with reserve circulaton.

Rock Drilling Tools manufacturer HAOJIANG offers a full range of  Tricone drill bits are available in new and used (re-tip and re-run) tungsten carbide insert and steel tooth, size from 3 3/8”(85.7 mm) to 26”(660.4 mm) for use in all formations,

with any bearing/seal type, and a wide range of additional custom features.

Tricone bits included Steel Tooth (also referred to as milled tooth) bits and Tungsten Carbide Insert (TCI) bits, TCI bits are much more durable than Steel Tooth ones, but come with a higher cost to manufacture. Both these two groups of Tri-cone Bits are available with:

(1) Open Bearing or Sealed Bearing

(2) Roller Bearing or Friction Bearing (Journal Bearing)

(3) Gage Protected or Non-Gage Protected, etc

(4)Regular size: 12 1/4 IADC 127 217  237