Announcer: King Kirchner, was co-founder, chairman, and chief executive officer of Tulsa-based Unit Corporation from 1963 to 2001. Following retirement, he continued to serve as a director of Unit Corporati. [pdf]
Our concrete core drilling equipment is designed to work with diamond core bits to core (remove cylinder of material) from concrete and stone. Diamond Tool Store carries a wide range of core drill stands, m. [pdf]
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