Professional 450mm Long Core Bits (1/4″UNC BEF)

EHWA diamond core drill bits are designed for drilling through reinforced concrete.

Our professional bits are designed with high performance in mind with long life and superior cut speed

These concrete core drill bits are used for general reinforced concrete, bricks, tiles, block work, sandstone etc. These core drill barrels are also great for asphalt & bitumen.

Can be used on both hand held and rig mounted machines. Water must be used for these concrete core drill bits to ensure a smooth, clean, trouble free cut and to ensure maximum life of the bit. Do not use dry.