Spectrum BX10 Ultimate Dry Diamond Core Drill 152mm. BX10 Faster, Longer Life GUARANTEED! Features: For drilling brick/concrete blocks. Suitable for most building materials including semi-engineering bricks, clay products, limestone and aggregate concrete. 10mm Diamond segment height. Helix barrel dust removal. Rapid & clean cut. Angled slots extend through back end to expel dust. Immediate 100% suface cutting segment design. If blunting occurs, core bit can be resharpened by running in a soft, abrasive material such as mortar, sandstone, or soft breeze block. BSP female thread back end. Technical data: Colour – Blue Diameter – 152mm Length – 150mm Brand – OX. Fuss Free Customer Service Contact customer service for help with your order. Our Products Visit Our Shop.