6-3/4'' IADC642 Tricone Bit for coal mining

Bloom offers a full line of tricone and bicone bits. Tricone drill bits are available in new and used (re-tip and re-run) steel tooth and tungsten carbide insert, size from 3 3/8"(85.7mm) to 26"(660.4mm) for use in all formations, with any bearing/seal type, and a wide range of additional custom features.

Tricone drill bits include Steel Tooth (or milled tooth) bits and Tungsten Carbide Insert (TCI) bits, TCI bits are much more durable than Steel Tooth bits, but with a higher cost to manufacture. Both types of Tricone 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.