Thread ST58
Top Hammer Drilling Tools for Bench Drilling
Bit Diameter: 89mm-102mm
Button bit design: Flat face, drop center, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Bench, production
We have different designs for various rock formations, and a longer service life to decrease use costs for users.
Button bit |
Dimensions D |
Flushing hole (mm) |
Buttons (mm) |
Angle |
Class |
Part no. |
mm |
in |
Front No size |
Gauge No size |
Front No size |
Gauge No size |
 |
89
102 |
3 1/2
4 |
4×10
4×11 |
-
- |
6×12
6×12 |
8×14
8×14 |
35°
35° |
M
M |
3089ST5814D
30102ST5814D |
 |
89
102 |
3 1/2
4 |
2×14
2×15 |
-
- |
6×12
6×13 |
8×14
8×14 |
35°
35° |
H
H |
3089ST5814
30102ST5814 |
 |
89
102 |
3 1/2
4 |
2×11
2×12 |
2×9
2×9 |
6×12
6×12 |
8×14
8×14 |
35°
35° |
H
H |
3089ST58F14R
30102ST58F14R |
 |
89
102 |
3 1/2
4 |
4×10
4×11 |
-
- |
6×12
6×12 |
8×14
8×14 |
35°
35° |
M
M |
3089ST5814DR
30102ST5814DR |