|
 Directional
drilling rock bits
|
The directional drilling bits are
designed for directional drilling
with DTH motors. Our offer comprises the bits for very soft
and soft
formations. Depending on the method of drilling, Altrex supplies
two main types of such as follows:
The gage rows are reinforced with t.c. inserts, special stabilizing
inserts on leg back, and special bearing suitable to high RPM.
The bits are available in sizes 8-1/2" and 12-1/4".
The range of the bits comprises sizes 6", 6-3/4" and
8-1/2" with
steel milled tooth and t.c. insert cutting structure.
Bearings: roller open bearings, roller sealed bearings (X),
sealed journal bearings (SX).
Our bits for technical drilling are characterized by:
- high durability of bearings at high pressures
- reinforced cutting structure,
- protection against excessive loss of gage. |
|
|
