Raise boring reaming head
1 524 mm Sandvik Mining and Rock Technology


  • Options:

    raise boring


This is a Blind hole (boxhole) by Sandvik which is manufactured to bore in an upward direction even with or without an initial pilot hole. It is used especially in mining to produce a hole, ore passage wherein no access to the upper level. The drilling unit is guided with a rear stabilizers to stable firm drilling upward.


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