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Sinodrills DHD Bit Test Report

sinodrills dhd bit test report

Place: Colombia Time: August 2013 Mine & project: Rio Negro, gold mining DTH Drill rig: Atlas Copco ROC L6 DTH button bits configurations: DHD340A 115mm, flat face, hemispherical buttons,2 flushing holes; Rock formation: Brecciated silica with clay matrix and disseminated sulfide mineralization, detailed photos as below: Average life span of our DHD340A 115mm DTH button […]

Sinodrills Taper Bit Test Report

Sinodrills Taper Bit Test Report

Rock drill model: Pneumatic drill Test place: Ecuador–El Oro, Azuay, Zamora Test model: Taper bit, 11 degree, 38mm, 5*9mm, 2*7mm, short skirt. Hole depth: 1.2m.Test result: The golden taper bit drills 175 holes, The Yellow taper bit with 1 front hole and 1 side hole drills 160 holes, The Yellow taper bit with 2 front […]

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