Professional 350mm Long Diamond Core Drill Bit (1/2″ BEF)

EHWA diamond core drill bits are expertly engineered for drilling through reinforced concrete and other tough materials. Designed for versatility, these concrete core drill bits are ideal for use on general reinforced concrete, bricks, tiles, block work, sandstone, and even asphalt and bitumen.

The 1/2″ internal thread design allows for higher rotation speeds, especially when using smaller drill bit sizes. This feature improves productivity by enabling faster, more efficient drilling while maintaining precision, making it an excellent choice for both professional and industrial applications.

These diamond core drill bits are suitable for both handheld and rig-mounted machines, providing flexibility for various drilling applications. For optimal performance and longevity, water must be used during operation, ensuring a smooth, clean cut and extending the life of the bit. These bits are not intended for dry use.

Whether you’re working with concrete or other hard materials, EHWA’s diamond core drill bits deliver excellent durability and cutting precision, making them the go-to choice for professionals seeking reliable, high-quality results.