Blade bits
(drag bits) |
 |
Blade bits |
|
 Available
in both "Step" and "Chevron" configurations.
Manufactured with high quality alloy steel, the blades are reinforced
with tungsten carbide inserts.
These bits perform best in softer, unconsolidated formations (limestone
sandstone - marl).
Widely used in mining, construction, exploration and water well
drilling applications.
Diameter (inch) |
Diameter (mm.) |
Pin type |
1 
- 2 |
47.6 - 51 |
A-ROD |
2 
- 2  |
57-63.5 |
A-ROD |
2
- 3 |
73-76 |
N-ROD (4 thd./Inch) |
3
- 3 |
82.5 - 89 |
N-ROD |
3 
- 3 |
95-98 |
2 
A.R. |
4 - 4 |
101-108 |
2
A.R. |
4
- 4 |
114-120 |
2
A.R. |
5 - 5  |
127-130 |
2
A.R. |
5
- 5 |
140-149 |
2
A.R. |
6 - 6 |
152-159 |
2
A.R. |
6
- 6 |
165-171 |
2
o 3
A.R. |
7 - 7 |
178-184 |
3
A.R. |
7
- 7 |
190-200 |
3
A.R. |
8
- 9 |
216-250 |
3
o 4
A.R. |
11 - 12 |
280-311 |
4
o 6 
A.R. |
14
- 17 |
375-445 |
6
A.R. |
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Replaceable
blade bits |
|
 Used
in a variety of formations and drilling applications, the replaceable
blade feature allows flexibility in blade selection and easy replacement.
Available in sizes from 3-7/8" Chevron & Step through 5-5/8"
Chevron and 6-1/4" Step. The total unit consists of a set of
blades, head & bowl, and adaptor sub in a variety of pin sizes
and options.
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