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stump grinder for sale australia

Rock Grinder & Cutter Head Blog | Alpine Sales and Rental. Feb 23, 2021 Rock grinding attachments attack the rock in a very different manner than hydraulic hammers Unlike hammers (ie breakers), which go after the unconfined compressive strength (UCS) of the rock, the shearing action of the rotating conical carbide picks (teeth) exploits the tensile strength of the rock which is 10%15% of the ...

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