With the Carat Brilliant Dustec Cara dry core bit HTL1023404, you achieve clean, accurate holes in brick, sand-lime brick, and abrasive building materials without water cooling. Featuring a 102 mm diameter and a 340 mm length, this diamond drill bit is ideal for installing 100 mm ventilation ducts and sanitary pipe penetrations. The specialized tt segments ensure a quick and precise start without slipping, while the 9.5 mm laser-welded diamond segments deliver lasting durability during demanding work. Combined with the Dustec system and dedicated flange slots, it channels dust directly away through the M16 connection for a clean workspace.