Hilti USA:

DD-C T2 and T4 Bits

• DD-C T2 Diamond core bit

  

  For concrete with medium to low reinforcement, granite, marble, natural stone, tile, pavers, firebrick, and other non-abrasive base materials.

• DD-C T4 Diamond core bit

  

  For heavily-reinforced concrete, concrete block, clay brick, green concrete, asphalt, and other abrasive base materials.