With the Carat HDNS068062, you can drill clean and accurate holes for standard electrical back boxes in brick and abrasive masonry. Thanks to its laser-welded diamond segments, you achieve a fast start without slipping and rely on maximum joint strength. Featuring a 68 mm diameter and a 60 mm working length, this core bit fits socket boxes precisely without messy breakout work. The 1 1/4" unc connection enables efficient dust extraction during dry drilling, keeping your workspace clean while you work faster and with complete control.