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
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