An introduction to diamond core drills: Diamond core drills are often used by plumbers & heating engineers to drill through concrete & brickwork. Diamond core drills are mains powered due to heavy nature of the work these tools can undertake.
To choose between diamond core drills: The key consideration when selecting between diamond core drills is the maximum drilling diameter required. Additionally, if you want to use the drill for applications other than just diamond core drilling, you will need one with a keyed chuck. 1/2″ male thread allows the diamond core drill bit to be attached directly meaning this machine is exclusively used for diamond core drilling.
To make sure you’ve got the right diamond core drill – 1/2″ bsp male thread: There is often a choice between single or 2 speed gears. Most diamond core drills have a variable speed function.