Kemaico USA Corporation
Iron Ore Exploitation. Medium-Hard Rock
Project: Iron ore exploitation
Nature of rock: Iron Ore – medium-hard rock
Drill rig model: Atlas Copco Boomer281
Specifications of test product: Thread button bit: 45mm-R32 (semi-ballistic)
Total drilled depth: 400m
Depth of single hole: 3m
Customer feedback:
Kemaico drill bit drilled about 400m deep at this test. For the first 30 holes, the average time was 2.5min/hole, it slowed down after drilled 30 holes and the average time was 3.83min/hole. The product quality is pretty good.
Source: http://www.kemaico.com/applications/
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