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Ame Drill DHD Bit Test Report

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 […]

Ame Drill Taper Bit Test Report

Taper Bit Test Report

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

Ame Drill DTH bit used in USA

Ame Drill DTH bit used in USA

Red box: with Ame Drill brand QL60 quick hammer, 0.68 m/Min average speed;Yellow box: with world famous brand A QL60 shank hammer, 0.55 m/Min average speed.As below, it was the summary from the site manager about Ame Drill DTH button bits:

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