Core Drilling with a hand held unit

When core drilling, some of us prefer to drill with a hand held unit and others prefer a rig mounted machine, obviously depending on the application one needs to be used over the other. When core drilling, some of us prefer to drill with a hand held unit and others...

Core Drill Thread Adaptor

Different brands of core drilling machines have different thread / attachments for attaching the core drill barrel. Most commonly here in Australia, most core drilling machines have a 1 1/4″UNC thread and are suited to most of the core drill barrels on the market....