Kemaico USA Corporation
Construction Engineering. Basalt - Hard Rock
Project: Construction engineering
Nature of rock: Basalt – hard rock
Drill rig model: Atlas Copco Boomer3D
Specification of test product: Thread button bit 57mm-R32 (semispherical)
Total drilled depth: 430m
Depth of single hole: 5m
Customer feedback:
We intended to drill 400m. Through testing of Kemaico drill bit, we were very satisfied with the result as it drilled about 430m.
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Source: http://www.kemaico.com/applications/
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