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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