1.5 m in 2 minutes
More face advance per blast, with the same crew

A pneumatic drill jig suspended from a monorail on roof bolts or eyebolts, using inline thrust technology for faster drilling per hole and effortless extraction. Because it hangs from installed support, the jig cannot operate without support in place — there is no shortcut to take. Drilling is done remotely from 2 m off the face, and accurate drilling removes the human factor: hole direction and burden are set by the jig, not by how tired the operator is, so the hanging wall and footwall come out stable and to profile.
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