XP Diamond Core Drill Bit 3" Diameter for Cured Concrete Diamond Wet Coring

3 inch diameter Extra Tall 8 mm diamond segments for Extended bit life 16" overall bit length with a 14" drill depth Use for wet drilling on a full range of materials from Asphalt, brick, clay pavers, concrete, field stone, green concrete and hard brick Uses standard 1 1/4" - 7 thread For use on core drilling machine Color may vary ISO 9002 Quality Certified