Product descripion of drill steel:
Bit Diameter: 33mm-45mm
Button bit design: Flat face, drop centre, Normal and Retrac body.
Tungsten carbide (Buttons): Spherical, Ballistic and Conical.
Applications: Drifting, Tunneling, Bench
We have different designs for various rock formations, longer service life to decrease use costs for users.
Button Bit ( R25) |
D |
Flushing hole (mm) |
Buttons (mm) |
Angle |
Class |
Part No. |
|||
mm |
inch |
Gauge |
Front |
Gauge |
Front |
||||
|
33 35 38 41
|
1 5/16” 1 3/8” 1 1/2” 1 5/8”
|
1×5 1×5 2×5 2×5
|
1×5 1×5 1×5 1×5
|
5×7 5×8 5×9 5×9
|
2×7 2×7 2×7 2×8
|
35° 30° 30° 30°
|
H H H H
|
3033R2507 3035R2507 3038R2507 3041R2507
|
|
33 41 |
1 5/16” 1 5/8” |
2×4.5 2×5 |
2×4.5 2×5.5 |
6×7 6×9 |
2×7 2×8 |
30° 30° |
S S |
3033R2508 3041R2508 |
|
38 |
1 1/2” |
2×5 |
2×5 |
6×8 |
2×8 |
30° |
S |
3038R25F08 |
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