Thread ST68

Top Hammer Drilling Tools for Bench Drilling

Bit Diameter: 102mm-127mm
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
102 4 2×14 2×10 6×12 8×14 35° H 30102ST6814
115
127
4 1/2
5
3×13
3×14
-
-
7×14
10×14
9×16
9×16
35°
35°
H
H
30115ST68F15
30127ST68F19
115
127
4 1/2
5
3×13
3×14
2×9
2×9
6×14
9×14
9×16
9×16
35°
35°
H
H
30115ST6815DR
30127ST6818DR
115
127
4 1/2
5
3×13
3×14
-
-
6×14
10×14
-9×16
9×16
35°
35°
H
H
30115ST6815R
30127ST6819R
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