Metalworking shops often rely on core drilling to produce consistent, high-quality parts and assemblies. Results of core drilling depend in large part on machine selection, the core bits and other ...

Honda, 4-cycle gasoline powered light-weight handheld core drill machine One-person operation Designed for core drilling into concrete or asphalt surfaces 6-in. bit diameter capacity Drill vertical, ...

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Above: A core section of ice from more than 500 feet below the surface of Antarctica sees the light of day for the first time in over 3000 years. The ice drilling rig is seen at left, in operation at ...