EvoX Series
TCI, Roller-Ball-Roller Bearings, Jet Air Flow |
| EX40 |
Soft |
70-140 |
1000 to 4000 |
12 1/4" EX422 |
Cutting structure: Large diameter, long projection and widely spaced scoop, chisel, or conical inserts. Designed for maximum penetration in soft formations.
Features: Premium roller-ball-roller bearings and tungsten carbide thrust buttons, with maximum bearing capacity and air flow.
Application: Soft formations such as siltstone, shale, and soft limestone with 1,000 to 15,000 psi compressive strength. |
|
| EX50 |
Soft to Medium |
50-140 |
2000 to 5000 |
12 1/4" EX532 |
Cutting structure: Long projection and moderately spaced chisel or conical inserts. Designed for high rates of penetration in soft to medium hard formations.
Features: Premium roller-ball-roller bearings and tungsten carbide thrust buttons, with maximum bearing capacity and air flow.
Application: Soft to medium hard formations such as shale, sandstone, medium granite, and certain marble with 10,000 to 35,000 psi compressive strength. |
|
| EX60 |
Medium to Hard |
50-110 |
3000 to 6000 |
12 1/4" EX642 |
Cutting structure: Medium projection and densely spaced conical or bullit inserts. Designed for high rates of penetration in medium to hard, and abrassive formations.
Features: Premium roller-ball-roller bearings and tungsten carbide thrust buttons, with maximum bearing capacity and air flow.
Application: Medium to hard, and abbrasive formations such as hard shale, hard limestone, quartzite, and basalt with 25,000 to 50,000 psi compressive strength. |
|
| EX70 |
Hard |
50-90 |
3500 to 7500 |
12 1/4" EX742 |
Cutting structure: Short projection and densely spaced conical or bullit inserts. Designed for high rates of penetration in hard and abbrissive formations.
Features: Premium roller-ball-roller bearings and tungsten carbide thrust buttons, with maximum bearing capacity and air flow.
Application: Hard and abbrasive formations such as hard quartzite, taconite, and banded ore with 35,000 to 60,000 psi compressive strength. |
|
| EX80 |
Extremely Hard |
40-80 |
5000 to 8000 |
12 1/4" EX822 |
Cutting structure: Minimum projection and densely spaced round top inserts. Designed for tough drilling applications in extremely hard and abbrasive formations.
Features: Premium roller-ball-roller bearings and tungsten carbide thrust buttons, with maximum bearing capacity and air flow.
Application: Extremely hard and abbrasive formations such as very hard chert, quartzite, and hematite ore with 50,000 psi and harder compressive strength. |
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| EvoX Available Sizes |
| 6 3/4 |
171 |
EX542 |
Soft to Medium |
3 1/2 |
 |
| EX632 |
Medium to Hard |
3 1/2 |
|
| EX712 |
Hard |
3 1/2 |
|
| 7 7/8 |
200 |
EX542 |
Soft to Medium |
4 1/2 |
|
| EX632 |
Medium to Hard |
4 1/2 |
|
| EX712 |
Hard |
4 1/2 |
|
| 9 7/8 |
251 |
EX532 |
Soft to Medium |
6 5/8 |
|
| EX632 |
Medium to Hard |
6 5/8 |
|
| EX712 |
Hard |
6 5/8 |
|
| EX722 |
Hard |
6 5/8 |
|
| EX742 |
Hard |
6 5/8 |
|
| 10 5/8 |
270 |
EX532 |
Soft to Medium |
6 5/8 |
|
| EX632 |
Medium to Hard |
6 5/8 |
|
| EX712 |
Hard |
6 5/8 |
|
| EX722 |
Hard |
6 5/8 |
|
| EX742 |
Hard |
6 5/8 |
|
| 11 |
279 |
EX532 |
Soft to Medium |
6 5/8 |
|
| EX642 |
Medium to Hard |
6 5/8 |
|
| 12 1/4 |
311 |
EX532 |
Soft to Medium |
6 5/8 |
|
| EX642B |
Medium to Hard |
6 5/8 |
|
| EX642 |
Medium to Hard |
6 5/8 |
|
| EX712 |
Hard |
6 5/8 |
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