With the Carat Brilliant diamond core drill HDNL162422, you drill clean and accurate holes through brick, masonry, and abrasive materials. The laser-welded turbo segments ensure a quick, smooth start without wandering and provide reliable durability during demanding tasks. Featuring a 162 mm diameter and a 420 mm working length, it lets you create tidy wall penetrations for ventilation ducts or pipework in a single pass. Its standard 5/4" unc connection fits your core drill and pairs easily with dust extraction for a clean workspace during dry drilling.