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

Thread ST68

We have different designs for various rock formations, and a longer service life to decrease use costs for users.

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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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